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Author SHA1 Message Date
48039639cb Implicit solver: reference points, couplings, moments, wedge6 (M4) (#26)
* fem: wedge6 element (triangle × interval, 3 × 2 points), patch and cantilever tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* solver: reference points, kinematic and distributing couplings, moments by constraint elimination

Coupled reference points get six degrees of freedom; kinematic couplings are rigid
links, distributing couplings least-squares interpolation constraints. Every
constraint row and prescribed value is eliminated master-slave (Abel-Shephard
pivot choice), so the reduced matrix stays SPD; no coupling gives the old
elimination bit for bit. Verified: rigid motion of a coupled block, clamping
through a point, distributing tension vs pressure, bending and tube torsion.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: reference point results in solve.static and solve.probe

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: couplings, moments and wedge6 in the solver docs, literature and roadmap

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* solver: simplify constraint elimination and reference point plumbing

Rows combine by one sort; T_f transposed once; K and M reduced in one pass on a
shared pattern; prescribed motion computed once; reference point loads and BCs go
through Resolved like node ones (Mesh::label_dofs); one dof-direction rule;
StepResult::locate for probes; dead Csr::restrict removed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* solver: refuse oversized reductions before allocating them

A held distributing coupling point makes a dense (3N)^2 block; estimate it from
the constraint rows and refuse it against the factorization's memory budget
with a clear message, before anything is built. Other reductions with
dependents count their entries first (stopping at the budget) and reserve
fallibly.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 18:21:52 -04:00
a292212b67 Toolbars for every capability, VectorCraft icons, coming soon for planned ones (#20)
* feat(engine): capability catalogue — every toolbar entry, ready or coming soon, and docs/features.md

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* feat: 98 toolbar icons drawn with VectorCraft from recipes (cargo xtask icons), attributed

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* feat(ui): toolbar of tabs and panels from the catalogue, VectorCraft icons recoloured per theme, coming-soon entries greyed with their milestone; ui.toolbar

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* refactor: ready entries are their command; one tooltip; tabs and panels as catalogue runs; icon cache per theme and size; ui.toolbar read-only

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: roadmap notes the toolbar and icons

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* feat(ui): deck entries run deck.write with their format, ready when the writer is in FORMATS; file and edit entries; compact and collapsed panels instead of scrolling

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: features page after the Nastran writer (#24) made its deck entry ready

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: features page after the LS-DYNA writer (#25) made its deck entry ready

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* feat: solve.static, solve.frequency and solve.probe on the toolbar (Solve and Results tabs)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:49:31 -04:00
40f98f0af9 Implicit solver: fem kernels (tet4/10, hex8, hex20), sparse Cholesky, block Lanczos, solve.* commands (M4) (#23)
* Renumber the layer table for solver crates: fem at L1, solver at L2, fsi at L3

L0 model -> L1 geometry, mesh, fem, decks, render -> L2 solver (explicit, lbm later)
-> L3 fsi (later) -> L4 doc -> L5 io -> L6 engine -> L7 ui-egui, mcp -> apps.
UI_MIN_LAYER moves to 7, the testkit sits above it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* modelcraft-fem: element kernels for tet4, tet10, hex8 (full, incompatible modes), hex20 (full, reduced)

Shape functions, Gauss and conical-product quadrature, stiffness, consistent and HRZ-lumped
mass, body forces, consistent pressure loads on faces, integration-point stresses and their
least-squares extrapolation to nodes, isotropic and orthotropic elasticity. The element table is
one row per kind, so wedges, shells and beams are added locally.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* modelcraft-solver: linear static and frequency analysis with an analytic verification suite

Assembly from the resolved model on the node graph, boundary conditions by elimination,
consistent pressure, gravity and body-force loads, nested-dissection ordering, sparse up-looking
Cholesky with a factor-size cap, reactions, integration-point and nodal-averaged stresses, von
Mises; shift-invert block Lanczos with full reorthogonalization for natural modes, participation
and effective mass. ADR 0001 records the own-linear-algebra decision (determinism, wasm).

Verified against closed forms: displacement and traction patch tests for every element, cantilever
tip deflection (Timoshenko) with convergence rates, Lamé cylinder, Kirsch hole (Kt -> 3),
cantilever and free-free beam frequencies with six rigid-body modes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Engine: solve.static, solve.frequency and solve.probe; results kept in the session

Results are stored per step, restored on a failed command and cleared when the model changes.
Caps (degrees of freedom, factor entries, Lanczos vectors) may only be lowered; hostile parameters
are tested against a solvable session.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: implicit solver architecture, roadmap M4, parity and references

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Simplify the solver: shared face integration, block assembly, cached extrapolation

- model: one face integrator (nodal::face_normal_weights) for tractions and pressures
- fem: mid-side tables from ElementKind::edges, orthotropic via inverse3, symmetric
  accumulation without a symmetrize pass, incompatible-mode recovery without K_uu, model's
  coordinate check, dead table rows removed
- solver: one pattern search per node pair (block, scalar and diagonal adds), extrapolation built
  once per element type, reactions from the prescribed rows only, matrices dropped after
  restriction, the free-body shift keyed on the factorization error, step selection in the solver,
  Error::Element naming the element
- engine: the solver owns the default step and the shift check; the model comparison runs once

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: results are stamped with the session revision

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:44:21 -04:00
81fa8d7220 LS-DYNA keyword writer (implicit static and eigenvalue, M3) (#25)
* decks: LS-DYNA keyword writer (long format, implicit static and eigenvalue)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* decks: LS-DYNA golden files, Jacobian-sign node-order tests, re-reader and refusals

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: LS-DYNA writer status and deck notes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* decks: simplify the LS-DYNA writer (plan decides once, cards written in place, shared test tables)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* decks: LS-DYNA joins FORMATS (deck.write lsdyna), refusals reported together, shared concentrated loads

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* decks: LS-DYNA on main's shared deck API (steps parameter, model helpers)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:39:45 -04:00
f4a0333d28 Nastran bulk data writer (SOL 101/103) and deck.write steps (M3) (#24)
* Nastran bulk data writer: fixed-format entries, exact large-field reals, SOL 101/103 decks

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Nastran writer tests: golden decks, a re-reader of our output, node order against Nastran's conventions

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: Nastran writer in the roadmap, parity table and deck notes

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Nastran writer: simplify planning (subcases, one property table), stream cards into the deck, write through the VFS

ElementKind::corner_count/is_quadratic and Dofs::bits/from_bits join the model.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Nastran joins the shared deck formats; deck.write chooses steps for every format

nastran::write_resolved is the FORMATS row; Format::write_steps and with_steps write a subset of
steps (a Nastran run is static or frequency steps); problems go through the shared unsupported().

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:34:26 -04:00
a71f85eb58 Abaqus input writer and deck.write (M3) (#22)
* decks: Abaqus input writer with golden decks, read-back, Jacobian and unsupported tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: deck.write command (format dispatch, atomic file write), docs

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* decks: format table, one resolve per write, direct buffer writes; engine: shared path parameter

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:27:44 -04:00
2d99a8571c The .modelcraft file, undo/redo on the journal, atomic saves and autosave recovery (M3) (#21)
* modelcraft-io: the .modelcraft file (modelcraft/1), atomic writes, autosave storage

A stored ZIP of a manifest (format tag, geometry sources with SHA-256,
part sizes and hashes), the model definition as stable pretty JSON, the
mesh and geometry tags in a compact binary part, and the journal one
command per line. Reading caps every size, checks every checksum and
replays the model through its checked methods. Model::without_mesh and
empty mesh fields left out of the model's JSON; geometry::read_file.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: undo/redo on the journal, file.open/save/save_as, autosave and recovery

CommandSpec gains a kind: Model commands are journalled and become undo
steps; Session commands (file.*, edit.*) manage the session. Undo history
is bounded by steps and estimated memory. Geometry sources are recorded
with content hashes and reopened on file.open (missing or changed files
are warnings). Desktop app autosaves every 30 s and reports recoverable
models; Ctrl/Cmd+Z and Shift+Z/Y undo and redo.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: the .modelcraft format, undo history, roadmap and parity status

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* simplify: shared path parameter, one load path for open/recover, history accounting in History

Session commands skip the per-command model copy; saved revision is an
Option; journal written from borrowed entries and read without an
intermediate tree; backups copied by the file system; recovery lock and
error helpers; geometry file wrappers use read_file.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 17:22:01 -04:00
9fb00317ad Add the modelcraft-decks crate (empty: error type only) (#19)
So the Abaqus, Nastran and LS-DYNA writer tasks add their modules in parallel.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:54:25 -04:00
57b4b2f4d2 Model definition: sets by geometry name, materials, sections, couplings, BCs, loads, steps, check (#16)
* model: split nodes and elements into a mesh module (no behaviour change)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* model: sets by geometry name, materials and units, sections, couplings, BCs, loads, steps and the check

Sets bind to persistent geometry names through the mesh's geometry tags
(element, element face/edge and node classification) and resolve against
the current mesh, so they survive a remesh. Steps list their active loads
and boundary conditions explicitly. Model::check names every missing or
bad item; Model::resolve gives the writers' view.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: model definition commands (sets, materials, sections, RPs, couplings, BCs, loads, steps, tags, check)

Each definition has create/edit/delete with its model JSON form as
parameters; model.step.activate and model.activity drive the explicit step
table; mesh.tag records where the mesh lies on the geometry; model.check
and model.set.resolve report against the current mesh. Hostile params run
against an empty and a fully defined session.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: model definition in architecture and roadmap

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* model, engine: review cleanups

Validated deserialization (a file replays through the checked methods),
interned geometry tags by index, set resolution with tag bitsets and sorted
vectors, one delete policy (a load or BC listed by a step is in use),
shared helpers (context, remove_existing, step_mut, opt/req/name/listed),
dead code removed, Resolved without a per-element section map.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* model: mesh-independent force distribution, tractions, stable reference point labels

Force and moment on a set default to a total, split by consistent nodal
weights over the set's faces (or equally over a node set); per_node is an
explicit opt-in. Traction is force per area. resolve() expands them to
nodal values for every writer and the solver. Reference points keep a
stored node label taken from the top of the label range.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:19:54 -04:00
6c36f5b2ad Planar all-quad meshing: size fields, TFI mapped meshes, free quad mesher (M5 base) (#18)
* Planar all-quad meshing: size fields, TFI mapped meshes, free quad mesher, planar quad validity

- modelcraft_mesh::size: SizeField trait, division counts, graded polyline division, per-loop parity
- modelcraft_mesh::quad: transfinite (Gordon-Hall) mapped meshes of four-sided regions; free
  all-quad meshes of polygons with holes on prescribed boundary nodes (half-resolution CDT with
  Ruppert refinement, Lee-Lo recombination, uniform split, smart Laplacian plus
  Freitag-Plassmann untangling), exact validity gate on every element
- modelcraft_mesh::quality: Robinson aspect ratio and skew for quads, exact planar quad validity

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* quad mesher: true-boundary guard for Steiner points, untangling by corner area, parity retry, recombination quality floor; I-beam and perforated plate tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: quad meshing papers (B7), roadmap M5 and M2, architecture pipeline step

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* quad mesher: simplify (shared corner and validity helpers, vertex rotation helper, guard decoupled from the CDT, verify inside the CDT, non-allocating final gate)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:15:54 -04:00
25defdc0ec docs: solver literature survey; explicit, EOS, lattice Boltzmann and FSI milestones (#17)
Owner decisions 2026-10-13: own solvers beyond linear (explicit dynamics with equations of state,
lattice Boltzmann CFD, fluid-structure interaction; blast fluids after), flow first; published
reference values allowed as a tagged benchmark suite beside the analytic gate; GPU backends
deterministic per device and checked against the bit-exact CPU path; layered crates (fem kernels,
solvers, fsi). ADR 0001 lists the GPL-family solver codes (Palabos, OpenFOAM, ...) and the
readable references.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:09:07 -04:00
02cc9dab57 Boundary surface preparation (weld, manifold/orientation, exact self-intersection, feature edges) and mesh.surface.check (#15)
* mesh: boundary surface preparation (weld, manifold and orientation checks, exact self-intersection, feature edges)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: mesh.surface.check on an open design's body or an imported surface

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: struct-init the test session

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* surface: weld at an absolute distance too; the engine welds CAD tessellations at twice SolidCraft's linear tolerance

Faces of a SolidCraft tessellation carry their own copies of shared boundary points, which agree
only to within the kernel's tolerance (up to ~2e-6 mm on the test corpus).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: surface preparation in the literature survey, architecture and roadmap

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* surface: simplify after review

- The weld distance travels with the mesh (SurfaceMesh::weld_distance, set by Shape::tessellate),
  so every consumer welds a tessellation correctly without opting in.
- Exact tests are infallible on predicates::orient2d_projected (shared with generic_orient2d), and
  compute each vertex's plane side once per pair with an early reject.
- One Box3 for the weld, the BVH and shells; a Half struct for edges; the weld's two lookups share
  one loop, with chained grid cells; cached normals for feature edges; shared parameter helpers.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* corpus: boundary surface preparation as a corpus stage

20 of 21 parts are valid boundaries with their expected genus; cross-cylinders' tessellation has
cracks and flipped triangles where its two intersection curves meet.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 16:01:42 -04:00
94dc50bb0c Exact 3D Delaunay tetrahedralization (Bowyer–Watson, ghost hull, BRIO/Hilbert, verifier) (#14)
* mesh: exact Bowyer-Watson Delaunay tetrahedralization with ghost tets, BRIO/Hilbert order and a verifier

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* mesh: Delaunay benchmark, hash-paired cavity faces, mesh.delaunay.points debug command

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* mesh: simplify Delaunay helpers, share predicates and parsers, halve verifier work

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:56:42 -04:00
2b5b47930f docs: roadmap revised around Abaqus/CAE scope; capability checklist (#13)
One end-to-end slice first (sets bound to SolidCraft names, materials, sections, BCs, loads,
steps, three deck writers, own solve) on tet meshes; then structured hex (sweep, mapped,
automatic decomposition) before octree all-hex; then contact, materials and explicit, and
post-processing. docs/parity.md lists capabilities by milestone, with the areas where we aim
to be better than Abaqus/CAE.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:50:19 -04:00
3c1485d83a Desktop app: egui/wgpu viewport, model tree, commands and control channel (#9)
* render: display data from the FE model, orbit camera and CPU rasterizer

modelcraft-render (L1, no GPU): DisplayMesh (the unshared faces of solid
elements, shells, element edges, line elements, nodes), the orbit camera
and a CPU rasterizer with PNG output for headless snapshots, adapted from
SolidCraft's render crate. Workspace: egui/eframe/egui-wgpu 0.36 and
SolidCraft's patched egui-wgpu from the pinned rev.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: sample model script (a hex8 block and a tet4 cube)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Desktop app: egui/wgpu viewport, model tree, commands, status bar, control channel

modelcraft-ui-egui (L5): ModelApp over the engine Session; GPU viewport
(lit faces, element edges, nodes) with a CPU fallback; orbit/pan/zoom,
standard views and fit; model tree; commands panel generated from the
registry with a JSON parameter form; status bar; control request
handling (engine.*, ui.*, ui.screenshot, ui.render). apps/modelcraft:
eframe window, --sample, --control PORT loopback JSON-lines server.
Adapted from SolidCraft's ui-egui and app.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* THIRD-PARTY-LICENSES: the desktop app's dependencies

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: control protocol, desktop app in architecture, roadmap and attribution

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* render: simplify the display mesh (sorted face keys over maps, no unused fields)

Interior faces are found by sorting fixed-size face keys instead of a BTreeMap of Vecs, edges
are deduplicated by sort, and each element's corners are looked up once. Drops the unused
`element` fields on DisplayTri/DisplayLine, the unused Mat4::IDENTITY and corner_count, and
hoists the line colour out of the raster loop.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* viewport: split GPU geometry into batches within the buffer limit; refuse oversized CPU renders

A mesh with a few million boundary triangles made one vertex buffer larger than the device's
max_buffer_size (256 MiB under the limits eframe requests), and wgpu's default error handler
panicked. Geometry is now uploaded in batches of whole primitives, each at most 128 MiB and the
device limit, and all are drawn. A device error handler logs errors and shows them in the status
bar instead of panicking.

The CPU renderer refuses sizes over 8192 per side or 16 MP, and scenes over 20 million
primitives, with an error, and allocates its buffers fallibly. ui.render reports a size out of
range instead of clamping it; the CPU viewport fits a large window into the limit.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:29:49 -04:00
a817a62440 Meshing test corpus built with SolidCraft; assembly placement in open_design (#11)
* geometry: build designs from SolidCraft command scripts (feature scripts)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* geometry: place component bodies through their occurrences when opening a design

An assembly's instances were missing and moved components sat at their own origin.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* Meshing test corpus: 16 SolidCraft recipes, analytic shapes, loader and runner

modelcraft-testkit holds the corpus (tests/corpus/<name>/recipe.json run through SolidCraft's
engine, then opened as a design) and the runner binary behind cargo xtask corpus.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: corpus results, test corpus architecture and the scripts feature; licences

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* corpus: measure each body once, check stage widths, simpler loader and runner

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:19:06 -04:00
d8b3bb51e0 Element quality metrics and the certified validity gate (mesh.quality) (#12)
* mesh: element quality metrics and a certified Jacobian validity check

Bernstein-form Jacobian determinants for tet4/tet10/wedge6/hex8/hex20, certified
by bounds and subdivision (Johnen-Remacle-Geuzaine 2013); Shewchuk 2002 tet
metrics, Knupp 2001 hex/wedge/quad metrics; quality report and the validity
gate meshers run on their output.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: mesh.quality command; model documents its node order

mesh.quality reports certified validity, volume and per-metric statistics with
fixed-range histograms. The model's ElementKind doc states the Abaqus/VTK node
order and that deck code reorders formats like Nastran CHEXA20.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* quality: simplify after review; exact orient3d for tet4; gate on raw mesher arrays

- tet4 validity from the exact orient3d of the input coordinates
- validity_gate_elements takes (label, kind, coordinates) straight from a mesher
- one Jacobian per solid; certify caches piece bounds; product weights precomputed
- model::check_coordinates shared by set_node and quality; ElementKind is Ord
- engine: shared labels() parameter parser

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:14:30 -04:00
62b0553a89 geometry: face-tagged 3MF follows SolidCraft's namespace and spec (#10)
SolidCraft owns the 3MF face-tag format (its docs/formats/3mf-face-tags.md); the
reader now matches its namespace, and docs/formats/tagged-mesh.md points there while
documenting what ModelCraft's reader does and refuses.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:12:41 -04:00
4667655e08 mesh: exact predicates (Shewchuk adaptive, symbolic perturbation, indirect LPI/TPI) (#8)
* mesh: exact predicates (Shewchuk adaptive orient/incircle/insphere), symbolic perturbation, indirect LPI/TPI predicates

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* mesh: predicate benchmark (filter hit rate, CAD-degenerate inputs); record the predicate decision

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* mesh: simplify predicates (destructuring over fallbacks, shared-minor exact insphere, cheaper expansion product)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:04:56 -04:00
90254bb32f docs: SolidCraft is the primary geometry source; STEP is not excluded (#7)
Corrects ADR 0001, which recorded the owner's decision as excluding CAD exchange files. The
decision is that geometry comes mostly from SolidCraft; STEP can be a secondary input.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 15:01:37 -04:00
2c1821d0ad geometry: read tagged meshes through the VFS, refuse singular transforms, share the model's coordinate limit (#6)
read_3mf_file reads through solidcraft_io::vfs like open_design_file (regular files only,
browser files too), so the engine drops its own capped reader and EngineError::File.
A build item whose transform flattens its object is an error, and coordinates use
modelcraft_model::MAX_COORD (1e9) instead of a looser limit of their own.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 14:52:53 -04:00
jyvikoandClaude Opus 5.5 f181c98b75 Face-tagged 3MF exchange: format spec, reader, geometry.import.mesh
docs/formats/tagged-mesh.md defines the exchange: 3MF Core with an optional
ft:face attribute per triangle (and ft:faces per object) in a ModelCraft
namespace. modelcraft_geometry::tagged_mesh::read_3mf reads it from bytes
(wasm), capping every size and count and range-checking every index and
coordinate. geometry.import.mesh adds the surfaces to the session, which keeps
them beside the open design and restores them when a command fails.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm
2026-10-13 14:48:22 -04:00
f36b1d9a69 Open .solidcraft designs: rebuild, persistent face names, geometry commands (#4)
* geometry: open .solidcraft designs, rebuild them and keep persistent face names

open_design(bytes) reads a design (container or JSON) with solidcraft-io, rebuilds its
timeline with solidcraft-doc and returns its bodies; each Shape carries SolidCraft's
persistent face names by B-rep face index, so a face keeps its name through a parameter
edit. sample::plate_design builds a parametric test plate in code.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* engine: geometry.open, geometry.bodies and geometry.tessellate

The session holds the open design (shared, restored on a failed command, journalled when
it changes). Hostile-params coverage includes non-files, missing files, oversized paths and
extreme tolerances against an open design.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* docs: opening SolidCraft designs in the architecture and roadmap

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

* geometry: open_design_file reads through SolidCraft's bounded file access; simplify

The engine's hand-rolled capped read is replaced by open_design_file, which uses
solidcraft_io::vfs::read (refuses non-regular files before opening, works on the browser's
in-memory files). Drops the duplicate size check, simplifies the sample sketch and the
design-change test in Session::execute.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

---------

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 14:41:05 -04:00
620ef6bc64 Add the modelcraft-mesh crate (empty: error type only) (#3)
So the predicates and quality tasks can add modules in parallel without both creating the crate.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 14:31:15 -04:00
4abfa0845b docs: own test corpus built with SolidCraft, icons made with VectorCraft (#2)
Owner decisions 2026-10-13: no public CAD datasets (Thingi10K included); test parts are
SolidCraft recipes and analytic shapes. Icons are VectorCraft artwork with the editable
source committed; cargo xtask assets now also requires .vectorcraft and .solidcraft files
to be attributed. AGENTS.md: GitHub CI runs the full gate, commit after each working step.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 14:18:46 -04:00
e7f5c83b49 docs: meshing literature survey and the tet/hex pipeline it chooses (#1)
Survey of about 75 papers on robust predicates, Delaunay tetrahedralization, boundary
recovery, quality improvement and hexahedral meshing, with verified DOIs and the
licence of every associated code base. Architecture and roadmap now name the chosen
methods (robust CDT after Diazzi et al. 2023; octree-dual all-hex first). ADR 0001
adds the licence findings and the test-geometry rule.


Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm

Co-authored-by: jyviko <2501648+jyviko@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-13 14:11:15 -04:00
jyvikoandClaude Opus 5.5 b64ec3f698 ModelCraft foundation: workspace, quality gates, FE model, command engine, geometry boundary
A pure-Rust CAE modeling workspace following the SolidCraft conventions:
- modelcraft-model: nodes and elements by label with hostile-input validation
- modelcraft-geometry: SolidCraft's kernel (pinned git dependency) behind our own API;
  tessellation into a face-tagged boundary surface for volume meshing
- modelcraft-engine: CommandSpec registry, Session::execute with rollback and panic guard,
  scripts and a journal
- modelcraft-cli: list commands, run scripts
- xtask: layers (only geometry may use solidcraft-*), assets, licences, tests, wasm, ci
- AGENTS.md, architecture, ADR 0001 (libraries and licences), roadmap, CI

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01NmAttHhUZTokgPeEJia8sm
2026-10-13 13:56:42 -04:00
664 changed files with 60885 additions and 60 deletions

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[alias]
xtask = "run --package xtask --"
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name: CI
on:
pull_request:
push:
branches: [main]
workflow_dispatch:
permissions:
contents: read
concurrency:
group: ci-${{ github.ref }}
cancel-in-progress: ${{ github.event_name == 'pull_request' }}
env:
CARGO_TERM_COLOR: always
jobs:
ci:
name: cargo xtask ci
runs-on: ubuntu-24.04
timeout-minutes: 60
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
- uses: dtolnay/rust-toolchain@stable
with:
components: rustfmt, clippy
targets: wasm32-unknown-unknown
- uses: Swatinem/rust-cache@6323deb102c322ba6fcbdcafc7e3dddab59af2b6 # v2.9.2
- run: cargo xtask ci
advisories:
name: Dependency advisories and sources
runs-on: ubuntu-24.04
timeout-minutes: 20
steps:
- uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
- uses: dtolnay/rust-toolchain@stable
- name: Install cargo-deny
run: cargo install cargo-deny --version 0.20.2 --locked
- run: cargo deny --locked check --warn unmaintained advisories bans sources
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/target*/
/plan/
/dist/
/.agent-files/
/worktrees/
*~
.DS_Store
*.swp
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# ModelCraft — instructions for agents
ModelCraft is a clean-room, open-source, pure-Rust CAE modeling application: it turns geometry
into analysis-ready finite element models (volume meshes, materials, sections, boundary
conditions, loads and steps), writes them as Abaqus input, Nastran bulk data and LS-DYNA keyword
decks, and solves linear static and modal problems with its own solver. It targets the
pre-processing done today in Abaqus/CAE, Nastran pre-processors and LS-PrePost, and aims to beat
them on meshing robustness, speed, openness and agent control.
Siblings with the same conventions: `../solidcraft` (parametric CAD, Fusion-class), and the
storytold Craft apps (`storytold/cadcraft`, `vectorcraft`, `photocraft`, …). Code adapted from
them (MIT OR Apache-2.0) is noted in ATTRIBUTION.md.
## Product name
ModelCraft everywhere: crates `modelcraft-*`, binaries `modelcraft` and `modelcraft-cli`,
`.modelcraft` models, `MODELCRAFT_*` environment variables, docs, CI and packaging.
## Start every session here
1. Read `ROADMAP.md` (milestones, what is next) and your task.
2. `docs/architecture.md`: crates, layers, the meshing pipeline.
3. `docs/adr/`: library decisions (what we may depend on, what is rejected for licence reasons).
4. Meshing work: `docs/meshing/literature.md` (the papers each algorithm comes from).
## Never crash
People trust ModelCraft with their models; a crash loses their work. **This outranks feature work.**
- **No panics in non-test code:** no `unwrap()`, `expect()`, `panic!`, `unreachable!`, `todo!`,
`unimplemented!`; no `unsafe` (`unsafe_code = "forbid"`).
- **Errors are `Result<T, E>`** through the crate's error type and `?`. An unfinished feature
returns an error ("not supported yet: …"); it never panics.
- **Input-derived numbers are hostile** (command parameters, model files, solver decks,
control-channel input): `get()` not `[i]`, finite checks, caps on sizes and loop counts.
- **Bound every iterative algorithm.** Mesh refinement, smoothing, untangling and solver
iterations have explicit iteration and element-count caps and report when they stop early.
- **SolidCraft calls are guarded:** everything that calls `solidcraft-kernel` goes through
`solidcraft_kernel::guard` inside `modelcraft-geometry`, which turns a panic into an error.
- **Last-resort guard:** `Session::execute` runs every command under `catch_unwind`; an error or
an escaped panic restores the model and reports `EngineError`.
- **Prove it:** every crash fix lands with a regression test (see `hostile_params_never_panic`).
- Every production crate root carries
`#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]`.
## Non-negotiables
- **Independent.** Behaviour is designed from public documentation, published papers, general
CAE conventions and user feedback. Never copy another product's code, icons, artwork, help
text, element or material libraries, templates or examples.
- **No commercial CAE products.** Agents must not drive, script, automate or extract data from
commercial CAE or meshing products (Abaqus, MSC/NX/Simcenter Nastran, LS-DYNA, LS-PrePost,
HyperMesh, ANSA, Femap, Patran, ANSYS, …): no test data, measurements, decks, results or ids
produced with them. Deck formats come from the vendors' publicly available reference manuals;
we write our own descriptions and our own examples, never copy manual text or example decks.
- **Expected values are analytic.** Reference tests compare with closed-form solutions (patch
tests, beams, plates, Lamé cylinders, Kirsch plates, natural frequencies, wave and shock
solutions) and with mesh invariants (positive Jacobians, conserved volume, watertight
boundaries). A separate **benchmark** suite may compare with reference values published in
papers (lid-driven cavity, Schäfer–Turek, Turek–Hron, Taylor bar), each tagged with its source;
the analytic suite is the gate. Never values produced with a commercial product.
- **Algorithms come from papers.** Meshing and solver methods are implemented from published
papers and theses, cited in the module docs and in `docs/meshing/literature.md`.
- **Never read, copy or link GPL/LGPL/AGPL code**: TetGen, CGAL, Gmsh, Netgen, CalculiX,
Code_Aster, OpenRadioss, Elmer, deal.II, FreeFEM, Salome, OpenFOAM — don't even read their
sources. Permissively licensed code (MIT, BSD, Apache-2.0, MPL-2.0) may be read for reference;
anything adapted is noted in ATTRIBUTION.md with its licence.
- **Assets — absolutely essential.** ModelCraft contains **no iconography, images, fonts or
artwork from commercial CAE products — ever.** Icons are original artwork made with VectorCraft:
commit the editable `.vectorcraft` source beside the exported SVG/PNG. Any file asset must be
original or openly licensed and **must have a row in ATTRIBUTION.md** (`cargo xtask assets`
enforces it). Screenshots of commercial software are never committed.
- **Test geometry is our own.** Meshing and solver test parts are built with SolidCraft and
committed as recipes (scripts or designs) that regenerate them; analytic shapes are generated in
code. No public CAD datasets (ABC, MAMBO, Thingi10K, GrabCAD) and nothing made in a commercial
CAD or CAE product.
- **Everything is a command.** User-visible behaviour = a command in `crates/engine/src/cmd/*`
(`CommandSpec`: our own dotted, lower-case id `<area>.<thing>[.<variant>]` such as
`mesh.node.add` or `mesh.tet.generate`, never another product's keyword; label; params doc;
JSON `run`) + tests. The UI, scripts, CLI and control channel all reach the same commands.
- **Programmatic calls never open dialogs.**
- **Layering** is enforced by `cargo xtask layers` (`docs/architecture.md`): L0 `model` → L1
`geometry`, `mesh`, `fem`, `decks`, `render` → L2 solvers (`solver`; `explicit`, `lbm` later) →
L3 `fsi` (later) → L4 `doc` → L5 `io` → L6 `engine` → L7 `ui-egui`, `mcp` → apps. Nothing below
L7 depends on egui/eframe/winit/wgpu/rfd. **Only
`crates/geometry` may use `solidcraft-*`.**
- **Determinism.** The same input gives the same mesh, deck and CPU solver result, bit for bit, on
every platform: no hash-order iteration into output, no thread-count-dependent results. GPU
solver backends (wgpu, f32) are the one exception: deterministic per device, and checked against
the CPU reference within a stated tolerance.
- **Robust geometry.** Meshing decisions (orientation, in-sphere, intersection) use exact or
adaptive-precision predicates, never a bare floating-point sign.
- **Units.** The model is unit-consistent and never converts (the user picks e.g. mm, t, s, N,
MPa); geometry from SolidCraft is in millimetres. Z is up.
- **Rust only.** **Never break wasm**: everything below the apps builds for
`wasm32-unknown-unknown` (`cargo xtask wasm`, part of `cargo xtask ci`).
- **Quality gates:** GitHub CI runs `cargo xtask ci` (fmt, assets, licences, layers, clippy -D
warnings, tests, wasm) on every PR; don't run the full gate locally. Before pushing: `cargo fmt
--all`, `cargo check` the touched crates, and run the tests you added or changed. Commit after
each working step (a layer that compiles with its tests passing), not one big commit per PR.
- **Publishing**: `origin` is github.com/jyviko/modelcraft. Changes land through pull requests:
branch, push, open a PR, let CI run, then `gh pr merge --squash` when green. Rebase onto `main`
(never merge `main` into a branch); never force-push `main`. Never commit `plan/`,
`.agent-files/`, `worktrees/` or `target*/`; check `git ls-files` before pushing.
## Running
- `cargo run -p modelcraft-cli -- commands` lists every command with its parameters.
- `cargo run -p modelcraft-cli -- run script.json` runs a script (a JSON array of
`{"command", "params"}`) and prints the model summary.
- `cargo run --release -p modelcraft -- --sample --control PORT` opens the desktop app with the
sample model and a control channel on `127.0.0.1:PORT` (docs/control-protocol.md). For UI work,
look at the result: `ui.screenshot {path}` (needs a presented frame) or `ui.render {path}`
(CPU render, no window needed), then read the PNG.
- Build with `CARGO_TARGET_DIR=<repo>/target`. Parallel agents: separate target dirs, one
worktree each.
## Roadmap
`ROADMAP.md` (committed) tracks milestones. Update it whenever a milestone task lands.
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# Attribution
Every non-code asset in this repository (images, icons, fonts, example geometry) is listed here
with its author, source and licence. `cargo xtask assets` (part of `cargo xtask ci`) fails if an
asset file is missing from this table.
**Policy (mandatory):** ModelCraft contains **no iconography, images, artwork, fonts, templates,
example decks or help text from commercial CAE products.** Every asset is original work by
ModelCraft contributors or third-party material under an open licence. Screenshots of commercial
software are never committed. Icons are made with VectorCraft; each icon's `.vectorcraft` source
is committed and listed here with its exports.
## Files
| File | Author | Source | Licence |
|---|---|---|---|
| crates/decks/tests/golden/nastran/*.bdf | ModelCraft contributors | Written by our Nastran writer from our own test models (crates/decks/tests/nastran.rs) | MIT OR Apache-2.0 |
| assets/icons/assembly.instance.svg, assets/icons/assembly.instance.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/assembly.instance.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/deck.read.svg, assets/icons/deck.read.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/deck.read.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/deck.write.abaqus.svg, assets/icons/deck.write.abaqus.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/deck.write.abaqus.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/deck.write.lsdyna.svg, assets/icons/deck.write.lsdyna.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/deck.write.lsdyna.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/deck.write.nastran.svg, assets/icons/deck.write.nastran.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/deck.write.nastran.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/edit.redo.svg, assets/icons/edit.redo.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/edit.redo.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/edit.undo.svg, assets/icons/edit.undo.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/edit.undo.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/file.open.svg, assets/icons/file.open.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/file.open.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/file.recover.svg, assets/icons/file.recover.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/file.recover.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/file.save_as.svg, assets/icons/file.save_as.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/file.save_as.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/file.save.svg, assets/icons/file.save.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/file.save.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/flow.boundary.svg, assets/icons/flow.boundary.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/flow.boundary.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/flow.domain.svg, assets/icons/flow.domain.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/flow.domain.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.bodies.svg, assets/icons/geometry.bodies.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.bodies.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.datum.svg, assets/icons/geometry.datum.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.datum.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.import.mesh.svg, assets/icons/geometry.import.mesh.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.import.mesh.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.midsurface.svg, assets/icons/geometry.midsurface.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.midsurface.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.open.svg, assets/icons/geometry.open.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.open.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.partition.svg, assets/icons/geometry.partition.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.partition.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/geometry.tessellate.svg, assets/icons/geometry.tessellate.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/geometry.tessellate.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.bolt.svg, assets/icons/interaction.bolt.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.bolt.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.connector.svg, assets/icons/interaction.connector.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.connector.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.contact.find.svg, assets/icons/interaction.contact.find.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.contact.find.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.contact.general.svg, assets/icons/interaction.contact.general.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.contact.general.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.contact.pair.svg, assets/icons/interaction.contact.pair.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.contact.pair.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.fsi.svg, assets/icons/interaction.fsi.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.fsi.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.mass.svg, assets/icons/interaction.mass.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.mass.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.rigid_wall.svg, assets/icons/interaction.rigid_wall.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.rigid_wall.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.spring.svg, assets/icons/interaction.spring.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.spring.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/interaction.tie.svg, assets/icons/interaction.tie.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/interaction.tie.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.delaunay.points.svg, assets/icons/mesh.delaunay.points.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.delaunay.points.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.element.add.svg, assets/icons/mesh.element.add.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.element.add.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.decompose.svg, assets/icons/mesh.hex.decompose.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.decompose.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.dominant.svg, assets/icons/mesh.hex.dominant.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.dominant.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.generate.svg, assets/icons/mesh.hex.generate.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.generate.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.mapped.svg, assets/icons/mesh.hex.mapped.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.mapped.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.polycube.svg, assets/icons/mesh.hex.polycube.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.polycube.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.hex.sweep.svg, assets/icons/mesh.hex.sweep.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.hex.sweep.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.import.orphan.svg, assets/icons/mesh.import.orphan.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.import.orphan.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.layers.svg, assets/icons/mesh.layers.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.layers.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.node.add.svg, assets/icons/mesh.node.add.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.node.add.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.node.merge.svg, assets/icons/mesh.node.merge.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.node.merge.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.order.quadratic.svg, assets/icons/mesh.order.quadratic.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.order.quadratic.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.quad.faces.svg, assets/icons/mesh.quad.faces.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.quad.faces.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.quality.svg, assets/icons/mesh.quality.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.quality.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.region.remesh.svg, assets/icons/mesh.region.remesh.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.region.remesh.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.size.adapt.svg, assets/icons/mesh.size.adapt.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.size.adapt.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.size.global.svg, assets/icons/mesh.size.global.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.size.global.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.size.seed.svg, assets/icons/mesh.size.seed.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.size.seed.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.smooth.svg, assets/icons/mesh.smooth.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.smooth.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.surface.check.svg, assets/icons/mesh.surface.check.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.surface.check.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.tag.svg, assets/icons/mesh.tag.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.tag.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.tet.generate.svg, assets/icons/mesh.tet.generate.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.tet.generate.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.transition.svg, assets/icons/mesh.transition.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.transition.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.untangle.svg, assets/icons/mesh.untangle.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.untangle.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/mesh.verify.svg, assets/icons/mesh.verify.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/mesh.verify.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.activity.svg, assets/icons/model.activity.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.activity.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.amplitude.svg, assets/icons/model.amplitude.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.amplitude.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.boundary_condition.create.svg, assets/icons/model.boundary_condition.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.boundary_condition.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.check.svg, assets/icons/model.check.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.check.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.coupling.create.svg, assets/icons/model.coupling.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.coupling.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.info.svg, assets/icons/model.info.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.info.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.load.create.svg, assets/icons/model.load.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.load.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.create.svg, assets/icons/model.material.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.damage.svg, assets/icons/model.material.damage.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.damage.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.eos.svg, assets/icons/model.material.eos.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.eos.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.hyperelastic.svg, assets/icons/model.material.hyperelastic.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.hyperelastic.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.plasticity.svg, assets/icons/model.material.plasticity.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.plasticity.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.material.thermal.svg, assets/icons/model.material.thermal.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.material.thermal.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.orientation.svg, assets/icons/model.orientation.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.orientation.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.reference_point.create.svg, assets/icons/model.reference_point.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.reference_point.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.section.composite.svg, assets/icons/model.section.composite.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.section.composite.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.section.create.svg, assets/icons/model.section.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.section.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.set.create.svg, assets/icons/model.set.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.set.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.step.activate.svg, assets/icons/model.step.activate.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.step.activate.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.step.create.svg, assets/icons/model.step.create.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.step.create.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.step.explicit.svg, assets/icons/model.step.explicit.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.step.explicit.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.step.heat.svg, assets/icons/model.step.heat.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.step.heat.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.step.nonlinear.svg, assets/icons/model.step.nonlinear.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.step.nonlinear.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/model.units.svg, assets/icons/model.units.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/model.units.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.animate.svg, assets/icons/results.animate.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.animate.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.contour.svg, assets/icons/results.contour.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.contour.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.convergence.svg, assets/icons/results.convergence.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.convergence.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.cut.svg, assets/icons/results.cut.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.cut.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.deformed.svg, assets/icons/results.deformed.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.deformed.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.display_group.svg, assets/icons/results.display_group.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.display_group.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.free_body.svg, assets/icons/results.free_body.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.free_body.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.modes.svg, assets/icons/results.modes.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.modes.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.path.svg, assets/icons/results.path.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.path.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.probe.svg, assets/icons/solve.probe.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.probe.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.reactions.svg, assets/icons/results.reactions.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.reactions.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.read.svg, assets/icons/results.read.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.read.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.streamlines.svg, assets/icons/results.streamlines.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.streamlines.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/results.xy.svg, assets/icons/results.xy.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/results.xy.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.blast.svg, assets/icons/solve.blast.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.blast.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.explicit.svg, assets/icons/solve.explicit.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.explicit.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.flow.svg, assets/icons/solve.flow.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.flow.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.frequency.svg, assets/icons/solve.frequency.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.frequency.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.fsi.svg, assets/icons/solve.fsi.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.fsi.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
| assets/icons/solve.static.svg, assets/icons/solve.static.vectorcraft | ModelCraft contributors | Original toolbar icon drawn with VectorCraft from `assets/icons/src/solve.static.json` (`cargo xtask icons`) | MIT OR Apache-2.0 |
## Adapted code
| File | Adapted from | Licence |
|---|---|---|
| xtask/src/layers.rs | SolidCraft `xtask/src/layers.rs` (itself adapted from CADCraft's xtask) | MIT OR Apache-2.0 |
| xtask/src/assets.rs, xtask/src/licences.rs, xtask/src/test.rs, xtask/src/main.rs | SolidCraft `xtask/src/` | MIT OR Apache-2.0 |
| clippy.toml, rustfmt.toml | SolidCraft | MIT OR Apache-2.0 |
| crates/geometry/src/tagged_mesh.rs (package and part reading, transforms, units, caps) | SolidCraft `crates/io/src/threemf.rs` | MIT OR Apache-2.0 |
| crates/render/src/camera.rs, crates/render/src/raster.rs | SolidCraft `crates/render/src/camera.rs`, `raster.rs` | MIT OR Apache-2.0 |
| crates/ui-egui/src/gpu.rs, crates/ui-egui/src/theme.rs, crates/ui-egui/src/control.rs, crates/ui-egui/src/lib.rs (input injection, screenshots), crates/ui-egui/src/toolbar.rs (tabs of panels of buttons) | SolidCraft `crates/ui-egui/src/` | MIT OR Apache-2.0 |
| crates/io/src/fs.rs (atomic writes) | SolidCraft `crates/io/src/safe_write.rs` | MIT OR Apache-2.0 |
| crates/io/src/recovery.rs (recovery folder, entries, locks) | SolidCraft `crates/engine/src/recovery.rs` | MIT OR Apache-2.0 |
| apps/modelcraft/src/control_server.rs | SolidCraft `apps/solidcraft/src/control_server.rs` | MIT OR Apache-2.0 |
## Test oracles
Used only by tests (dev-dependencies, not shipped); no code from them is copied or adapted.
| Used in | Oracle | Licence |
|---|---|---|
| crates/mesh/src/predicates/tests.rs, crates/mesh/tests/predicates_bench.rs | `robust` (georust), a port of Shewchuk's public-domain `predicates.c` | MIT OR Apache-2.0 |
| crates/mesh/src/predicates/tests.rs, crates/mesh/src/predicates/dyadic.rs (tests) | `num-bigint`, `num-rational`, `num-traits` (exact rationals) | MIT OR Apache-2.0 |
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@AGENTS.md
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# Contributing
Thanks for helping. Read [AGENTS.md](AGENTS.md) first: it holds the rules every change follows,
whether a person or an agent writes it.
1. Branch from `main`, keep a pull request to one topic.
2. Run `cargo xtask ci` before pushing; CI runs the same gates.
3. User-visible behaviour is a command (`crates/engine/src/cmd/`) with tests, including hostile
parameters.
4. Meshing and solver algorithms cite the paper they come from in the module docs.
5. Never contribute code, text or data from GPL-family projects or commercial CAE products
(see [docs/adr/0001-libraries.md](docs/adr/0001-libraries.md)).
By contributing you agree your work is licensed under MIT OR Apache-2.0.
Generated
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[workspace]
resolver = "3"
members = ["crates/*", "apps/*", "xtask"]
[workspace.package]
version = "0.1.0"
edition = "2024"
license = "MIT OR Apache-2.0"
rust-version = "1.95"
authors = ["ModelCraft contributors"]
repository = "https://github.com/jyviko/modelcraft"
[workspace.dependencies]
# internal
modelcraft-model = { path = "crates/model" }
modelcraft-geometry = { path = "crates/geometry" }
modelcraft-mesh = { path = "crates/mesh" }
modelcraft-decks = { path = "crates/decks" }
modelcraft-io = { path = "crates/io" }
modelcraft-fem = { path = "crates/fem" }
modelcraft-solver = { path = "crates/solver" }
modelcraft-engine = { path = "crates/engine" }
modelcraft-testkit = { path = "crates/testkit" }
modelcraft-render = { path = "crates/render" }
modelcraft-ui-egui = { path = "crates/ui-egui" }
# foundation
thiserror = "2"
serde = { version = "1", features = ["derive"] }
serde_json = { version = "1", features = ["float_roundtrip"] }
log = "0.4"
# 3MF packages (docs/formats/tagged-mesh.md): the same versions SolidCraft uses.
zip = { version = "3", default-features = false, features = ["deflate"] }
quick-xml = "0.41"
# content hashes and part checksums of .modelcraft files (the version SolidCraft uses)
sha2 = "0.10"
# images (PNG snapshots and screenshots)
png = "0.18"
# SVG toolbar icons rasterised in the UI (no text, fonts or raster images in icons)
resvg = { version = "0.48", default-features = false }
# ui: the same egui/eframe/egui-wgpu line as SolidCraft
egui = "0.36"
eframe = { version = "0.36", default-features = false }
egui-wgpu = "0.36"
# Geometry: SolidCraft's B-rep kernel (MIT OR Apache-2.0), pinned. Only crates/geometry uses it
# (plan/adr/0001-libraries.md).
solidcraft-geom = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
solidcraft-kernel = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
solidcraft-doc = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
solidcraft-io = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
# Runs SolidCraft command scripts (the test corpus recipes); only behind modelcraft-geometry's
# `scripts` feature.
solidcraft-engine = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
[workspace.lints.rust]
unsafe_code = "forbid"
[workspace.lints.clippy]
dbg_macro = "warn"
todo = "warn"
too_many_arguments = "allow"
type_complexity = "allow"
# `!(x > tol)` is our idiom for "not a usable number" (NaN-safe).
neg_cmp_op_on_partial_ord = "allow"
[profile.dev.package."*"]
opt-level = 2
[profile.dev]
opt-level = 1
# Tests and lints (`cargo xtask ci`, GitHub CI). Debug assertions are off because truck's
# debug-only checks reject valid geometry (SolidCraft builds its tests the same way).
[profile.ci]
inherits = "dev"
opt-level = 1
debug = "line-tables-only"
debug-assertions = false
overflow-checks = true
incremental = false
[profile.ci.package."*"]
opt-level = 2
[profile.release]
opt-level = 3
lto = "thin"
codegen-units = 16
debug = "line-tables-only"
# SolidCraft builds truck and egui-wgpu with local fixes (its vendor/ directory). Patches don't
# reach a dependent workspace, so ModelCraft applies the same ones from the same pinned commit;
# keep this list and the rev in step with SolidCraft's [patch.crates-io].
[patch.crates-io]
truck-shapeops = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
truck-stepio = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
truck-meshalgo = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
matext4cgmath = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
# egui-wgpu with SolidCraft's fixes (vendor/egui-wgpu there): MSAA clamped to what the device
# supports and 1x on OpenGL adapters, so the requested 4x never fails pipeline validation at start.
egui-wgpu = { git = "https://github.com/bherbruck/solidcraft", rev = "de1479029dd6821cffd28b70688a58e7f61f0cfd" }
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Apache License
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this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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Work and such Derivative Works in Source or Object form.
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this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
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4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
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(d) If the Work includes a "NOTICE" text file as part of its
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of the following places: within a NOTICE text file distributed
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within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
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or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
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8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
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on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
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END OF TERMS AND CONDITIONS
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MIT License
Copyright (c) 2026 ModelCraft contributors
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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ModelCraft
Copyright (c) 2026 ModelCraft contributors.
Licensed under the MIT License or the Apache License, Version 2.0, at your option
(LICENSE-MIT, LICENSE-APACHE).
Third-party material
Software dependencies are listed in Cargo.lock; their licences are in THIRD-PARTY-LICENSES.txt
(`cargo xtask licences`). Geometry comes from SolidCraft (https://github.com/bherbruck/solidcraft,
MIT OR Apache-2.0), which builds on the truck crates (https://github.com/ricosjp/truck, Apache-2.0,
Copyright (c) RICOS Co. Ltd.), some with SolidCraft's modifications.
Some code is adapted from sibling projects (SolidCraft, CADCraft), licensed MIT OR Apache-2.0;
ATTRIBUTION.md lists the files.
ModelCraft is an independent project and is not affiliated with, sponsored by or endorsed by
Dassault Systèmes, MSC Software, Siemens Digital Industries Software or Ansys, Inc. Abaqus,
Nastran, MSC Nastran, Simcenter Nastran and LS-DYNA are trademarks of their respective owners;
they are used here only to describe file compatibility.
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# Issue media
# ModelCraft
Screenshots referenced from GitHub issues, kept off `main`. FieldCraft's own renders and captures (MIT OR Apache-2.0).
An open-source, clean-room CAE modeling application in pure Rust: geometry to analysis-ready
finite element models, with robust tetrahedral and hexahedral meshing, solver decks for Abaqus,
Nastran and LS-DYNA, and its own linear static and modal solver. Desktop, browser and AI agents
drive the same commands.
**Status:** early. The workspace, quality gates, the FE model, the command engine and the
geometry boundary (SolidCraft's kernel and tessellator) are in place; meshing is next. See
[ROADMAP.md](ROADMAP.md).
## Build
```sh
cargo xtask ci # fmt, assets, licences, layers, clippy, tests, wasm
cargo run -p modelcraft-cli -- commands # every command and its parameters
cargo run -p modelcraft-cli -- run script.json # run a command script
```
Rust 1.95 or later, with the `wasm32-unknown-unknown` target for `cargo xtask ci`.
## Documentation
- [Architecture](docs/architecture.md): crates, layers and the meshing pipeline
- [Libraries and licences](docs/adr/0001-libraries.md)
- [Contributing](CONTRIBUTING.md) and [agent instructions](AGENTS.md)
## License
Dual-licensed under [MIT](LICENSE-MIT) or [Apache-2.0](LICENSE-APACHE), at your option. Notices
are in [NOTICE](NOTICE); third-party licences in [THIRD-PARTY-LICENSES.txt](THIRD-PARTY-LICENSES.txt).
ModelCraft is an independent project, not affiliated with, sponsored or endorsed by Dassault
Systèmes, MSC Software, Siemens or Ansys. Abaqus, Nastran, MSC Nastran, Simcenter Nastran and
LS-DYNA are trademarks of their owners and are named only to describe file compatibility.
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# Roadmap
ModelCraft's goal is CAE modeling on par with Abaqus/CAE, Nastran pre-processors and LS-PrePost,
with hexahedral meshing as the centre of gravity, plus its own linear solver. Abaqus/CAE is the
reference for scope (its documentation is excellent and its solver strong); its application is
where we aim to be clearly better: parametric geometry from SolidCraft, sets that survive
remeshing, automatic hex partitioning, undo, a text-diffable model and agent control.
The capability checklist is [docs/parity.md](docs/parity.md). Beyond the pre-processor and the
linear solver come our own explicit, CFD (lattice Boltzmann) and fluid–structure solvers (M10–M14;
methods and papers in [docs/solvers/literature.md](docs/solvers/literature.md)).
Order (revised 2026-10-13): one end-to-end slice first — *SolidCraft part → named faces → sets →
mesh → material and section → BCs and loads → static and frequency steps → Abaqus, Nastran and
LS-DYNA decks and our own solve → contour plot* — on tet meshes, so every hex mesher lands in a
pipeline that already produces solvable, verified models. Then hex: structured (sweep and mapped,
with partitions proposed automatically) before octree all-hex, because that is how analysts get
hex meshes today and it gives the best elements where stresses are read.
| Milestone | Scope | Status |
|---|---|---|
| M0 Foundation | Workspace, quality gates, FE model, command engine with rollback and panic guard, CLI, geometry boundary on SolidCraft | done |
| M1 Geometry in and surface preparation | Open `.solidcraft` designs with persistent face names, assemblies placed (done); face-tagged 3MF (done); test corpus, `cargo xtask corpus` (done); exact predicates (done); quality metrics and certified validity gate (done); weld, closed/manifold/orientation and self-intersection checks, feature edges (`modelcraft-mesh::surface`, `mesh.surface.check`, done) | in progress |
| M2 Tet meshing and size field | Size field (global, per face and edge seeds, curvature and proximity; the `modelcraft_mesh::size::SizeField` trait and edge-division helpers are in); Bowyer–Watson Delaunay (exact, symbolic perturbation, verified; `modelcraft-mesh::delaunay`, done); robust CDT boundary recovery (Diazzi et al. 2023); Delaunay refinement, ODT smoothing, sliver removal; tet4 and tet10 with mid-side nodes on the B-rep; mesh verify per set | in progress |
| M3 First deck | Sets and surfaces bound to SolidCraft face, edge, vertex and body names, resolved after meshing; materials (isotropic and orthotropic elastic, density) with a unit-system label and consistency check; sections (solid, shell, beam profiles) assigned by set; element formulation per region mapped to each solver; BCs (fixed, displacement, symmetry); loads (force and moment on reference points, pressure, gravity); reference points with kinematic and distributing coupling; steps (linear static, frequency) with explicit per-step load and BC tables and output presets; `model.check` naming every missing or bad item; `model.*` and `mesh.tag` commands (model definition: done); writers for Abaqus input (done: `deck.write`), Nastran SOL 101/103 (done: `deck.write`) and LS-DYNA implicit (done); the `.modelcraft` file (text definition, binary mesh, geometry references reopened on load, journal; atomic saves, autosave and recovery; undo/redo on the journal: done) | in progress |
| M4 Own solver and first results | Linear static and modal solver (tet4/10, wedge6, hex8, hex20; sparse direct, Lanczos), verified against analytic solutions (solver: done — `modelcraft-fem` kernels, `modelcraft-solver` with nested dissection, sparse Cholesky and block Lanczos, `solve.static`/`solve.frequency`/`solve.probe`, patch, cantilever, Lamé, Kirsch and beam-frequency tests; reference points with kinematic and distributing couplings and moments by master–slave constraint elimination, verified by rigid motion, clamping, Saint-Venant tension, bending and tube torsion); deformed shape, contours, mode shapes, probes, reaction sums | started |
| M5 Structured hex | 2D quad meshing of faces (`modelcraft-mesh::quad`: transfinite mapped meshes, free all-quad meshes of polygons with holes on prescribed boundary nodes, exact planar quad validity, shared `SizeField` and even edge divisions; done for planar faces); mapped hex of six-sided regions; sweep meshing; conforming interfaces and tet–hex transition; automatic decomposition into sweepable and mappable regions, proposed as SolidCraft splits | started |
| M6 Automatic hex | Octree/grid-dual all-hex for any part; hex-dominant by tet recombination; polycube for blocky parts; smoothing, untangling, boundary padding, layers through thin walls; mesh editing and orphan-mesh import | planned |
| M7 Assemblies and contact | Part instances from SolidCraft occurrences; tie between non-matching meshes; general and pairwise contact with automatic pair detection, friction; bolt pretension, springs, point masses; amplitudes, multiple steps; nonlinear static steps in decks | planned |
| M8 Materials, explicit, shells, composites | Plasticity, hyperelasticity, damage data per solver; explicit dynamics decks (Abaqus/Explicit, LS-DYNA); midsurface shells; composite layups and material orientations, continuum shells on swept hex; heat transfer | planned |
| M9 Post-processing and deck readers | Results readers for public formats (Nastran OP2, LS-DYNA d3plot, Abaqus `.fil`); XY and path plots, cuts, display groups, free-body forces; deck readers that keep unknown keywords; mesh convergence studies | planned |
| M10 Explicit dynamics | Shared element and material kernels with the implicit solver (`fem`); central-difference solver with lumped mass, stable time step, one-point hex8 with hourglass control and nodal-pressure tet4, bulk viscosity, energy accounting; large-deformation materials (objective rates, J2, Johnson–Cook, damage, erosion); contact (global search, penalty with friction, rigid walls); runs on hex and tet meshes | planned |
| M11 Equations of state and shells | Polynomial, ideal-gas, Mie–Grüneisen, JWL with programmed burn, tabulated; energy coupling; shock verification (Rankine–Hugoniot, Sod, Noh, Sedov); Belytschko–Lin–Tsay shells with self-contact on quad meshes | planned |
| M12 CFD: lattice Boltzmann | D3Q19/D3Q27 on grids voxelised from the face-tagged surface; TRT, regularised and cumulant collision; interpolated walls, inlets and outlets; LES; octree refinement shared with the hex mesher; wgpu backend (deterministic per device, checked against the CPU) | planned |
| M13 Fluid–structure interaction | Immersed-boundary coupling of the lattice Boltzmann fluid with the explicit or implicit structure; interface force transfer; sub-cycling; Aitken then interface quasi-Newton coupling; free-surface flow | planned |
| M14 Blast and impact fluids | EOS-driven fluids in the explicit solver: ALE multi-material or SPH, with fluid–structure contact | planned |
| Continuous: desktop and agents | Desktop app (viewport, model tree, commands, control channel: done; toolbar of every capability from the catalogue, ready or coming soon with its milestone, icons drawn with VectorCraft, docs/features.md: done), MCP server, browser build, command schema as the public API | started |
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# Security policy
ModelCraft is young; only `main` and the latest release get fixes.
Please **don't open a public issue** for a security problem. Report it privately through the
repository's [Security tab](https://github.com/jyviko/modelcraft/security/advisories/new) with
what you found, how to reproduce it (a model, deck or script), the version and platform, and the
impact you expect.
Reports are especially useful for opening untrusted models, decks or scripts (crashes, runaway
memory or CPU, path tricks) and for the control channel once it exists.
File diff suppressed because it is too large. Load diff
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[package]
name = "modelcraft-cli"
description = "ModelCraft from the command line: list commands, run scripts"
version.workspace = true
edition.workspace = true
license.workspace = true
[lints]
workspace = true
[dependencies]
modelcraft-engine = { workspace = true }
serde_json = { workspace = true }
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//! modelcraft-cli commands
//! modelcraft-cli run <script.json>
//! modelcraft-cli features
#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
#![forbid(unsafe_code)]
use std::process::ExitCode;
use modelcraft_engine::Session;
use serde_json::json;
const USAGE: &str = "\
usage:
modelcraft-cli commands list every command with its parameters
modelcraft-cli run <script.json> run a script (a JSON array of {\"command\", \"params\"})
and print the model summary
modelcraft-cli features print docs/features.md (every capability, ready or
coming soon) from the capability catalogue
";
/// Largest script accepted (bytes).
const MAX_SCRIPT_BYTES: u64 = 256 * 1024 * 1024;
fn main() -> ExitCode {
let args: Vec<String> = std::env::args().skip(1).collect();
let result = match args.first().map(String::as_str) {
Some("commands") => {
for c in modelcraft_engine::commands() {
println!("{:<24} {:<18} {}", c.id, c.label, c.params);
}
Ok(())
}
Some("features") => {
print!("{}", modelcraft_engine::catalogue::features_page());
Ok(())
}
Some("run") => args.get(1).ok_or_else(|| format!("run needs a script\n\n{USAGE}")).and_then(|p| run(p)),
Some("-h" | "--help" | "help") | None => {
print!("{USAGE}");
Ok(())
}
Some(other) => Err(format!("unknown command `{other}`\n\n{USAGE}")),
};
match result {
Ok(()) => ExitCode::SUCCESS,
Err(e) => {
eprintln!("error: {e}");
ExitCode::FAILURE
}
}
}
fn run(path: &str) -> Result<(), String> {
let size = std::fs::metadata(path).map_err(|e| format!("{path}: {e}"))?.len();
if size > MAX_SCRIPT_BYTES {
return Err(format!("{path}: larger than {} MB", MAX_SCRIPT_BYTES / (1024 * 1024)));
}
let text = std::fs::read_to_string(path).map_err(|e| format!("{path}: {e}"))?;
let script: serde_json::Value = serde_json::from_str(&text).map_err(|e| format!("{path}: {e}"))?;
let mut session = Session::default();
session.run_script(&script).map_err(|e| e.to_string())?;
let info = session.execute("model.info", &json!({})).map_err(|e| e.to_string())?;
println!("{}", serde_json::to_string_pretty(&info).map_err(|e| e.to_string())?);
Ok(())
}
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[package]
name = "modelcraft"
description = "ModelCraft desktop app"
version.workspace = true
edition.workspace = true
license.workspace = true
publish = false
[lints]
workspace = true
[dependencies]
modelcraft-engine = { workspace = true }
modelcraft-ui-egui = { workspace = true }
eframe = { workspace = true, features = ["default_fonts", "wgpu", "accesskit", "wayland", "x11"] }
egui = { workspace = true }
serde_json = { workspace = true }
log = { workspace = true }
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//! Loopback JSON-lines control server: one request per line, one reply per line. Agents and
//! tests drive the app through it; the UI thread answers each request between frames
//! (`modelcraft_ui_egui::control`).
//!
//! Adapted from SolidCraft's `apps/solidcraft/src/control_server.rs` (MIT OR Apache-2.0), see
//! ATTRIBUTION.md.
use std::io::{BufRead, BufReader, Write};
use std::net::{TcpListener, TcpStream};
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::mpsc::{Receiver, Sender, channel};
use std::time::Duration;
use modelcraft_ui_egui::ControlRequest;
use serde_json::{Value, json};
/// Longest request line (bytes).
const MAX_LINE: usize = 16 * 1024 * 1024;
/// Connections served at once. The channel has no authentication beyond being bound to
/// loopback, so a flood must not be able to spawn threads without end.
const MAX_CONNECTIONS: usize = 16;
/// Lines that are not JSON before the connection is closed, so garbage cannot loop forever.
const MAX_BAD_LINES: usize = 8;
/// How long a request waits for the UI thread.
const REPLY_TIMEOUT: Duration = Duration::from_secs(60);
static OPEN: AtomicUsize = AtomicUsize::new(0);
pub fn start(port: u16, ctx: egui::Context) -> Receiver<ControlRequest> {
let (tx, rx) = channel::<ControlRequest>();
let listener = match TcpListener::bind(("127.0.0.1", port)) {
Ok(l) => l,
Err(e) => {
eprintln!("modelcraft: control server failed to bind 127.0.0.1:{port}: {e}");
return rx;
}
};
eprintln!("modelcraft: control server listening on 127.0.0.1:{port}");
std::thread::spawn(move || {
for stream in listener.incoming().flatten() {
if OPEN.fetch_add(1, Ordering::Relaxed) >= MAX_CONNECTIONS {
OPEN.fetch_sub(1, Ordering::Relaxed);
let mut refused = stream;
let _ = writeln!(refused, "{}", json!({"ok": false, "error": "too many connections"}));
continue;
}
let tx = tx.clone();
let ctx = ctx.clone();
std::thread::spawn(move || {
serve(stream, tx, ctx);
OPEN.fetch_sub(1, Ordering::Relaxed);
});
}
});
rx
}
/// One line without its newline, or `None` at the end of the stream. A client that sends
/// gigabytes with no newline would otherwise make this thread allocate until the process is
/// killed, so the line is refused as soon as it passes `max`.
fn read_line(r: &mut impl BufRead, max: usize) -> std::io::Result<Option<Vec<u8>>> {
let mut line = Vec::new();
loop {
let (done, used) = {
let available = r.fill_buf()?;
if available.is_empty() {
return Ok((!line.is_empty()).then_some(line));
}
match available.iter().position(|b| *b == b'\n') {
Some(i) => {
line.extend_from_slice(available.get(..i).unwrap_or(&[]));
(true, i + 1)
}
None => {
line.extend_from_slice(available);
(false, available.len())
}
}
};
r.consume(used);
if line.len() > max {
return Err(std::io::Error::new(std::io::ErrorKind::InvalidData, "request too large"));
}
if done {
return Ok(Some(line));
}
}
}
fn serve(stream: TcpStream, tx: Sender<ControlRequest>, ctx: egui::Context) {
let Ok(read) = stream.try_clone() else { return };
let mut out = stream;
let mut reader = BufReader::new(read);
let mut bad = 0usize;
loop {
let line = match read_line(&mut reader, MAX_LINE) {
Ok(Some(l)) => String::from_utf8_lossy(&l).into_owned(),
Ok(None) => break,
Err(e) => {
let _ = writeln!(out, "{}", json!({"ok": false, "error": e.to_string()}));
break;
}
};
if line.trim().is_empty() {
continue;
}
let reply = match serde_json::from_str::<Value>(&line) {
Ok(msg) => {
let id = msg.get("id").cloned().unwrap_or(Value::Null);
let method = msg.get("method").and_then(Value::as_str).unwrap_or("").to_string();
let params = msg.get("params").cloned().unwrap_or(json!({}));
let (req, rrx) = ControlRequest::new(method, params);
if tx.send(req).is_err() {
break;
}
ctx.request_repaint();
let mut r = rrx.recv_timeout(REPLY_TIMEOUT).unwrap_or_else(|_| json!({"ok": false, "error": "timeout"}));
if let Some(o) = r.as_object_mut() {
o.insert("id".into(), id);
}
r
}
Err(e) => {
bad += 1;
json!({"ok": false, "error": format!("bad JSON: {e}")})
}
};
if writeln!(out, "{reply}").is_err() || bad >= MAX_BAD_LINES {
break;
}
}
}
#[cfg(test)]
mod tests {
use super::*;
/// A request longer than the cap is refused instead of allocated.
#[test]
fn lines_past_the_cap_are_refused() {
let flood = vec![b'A'; MAX_LINE + 2];
let mut r = BufReader::new(flood.as_slice());
let e = read_line(&mut r, MAX_LINE).unwrap_err();
assert_eq!(e.kind(), std::io::ErrorKind::InvalidData);
}
/// Lines split on newlines, blank lines kept, no trailing newline needed; a line spanning
/// several reads arrives whole.
#[test]
fn lines_split_on_newlines() {
let text = b"{\"a\":1}\n\n{\"b\":2}\nlast".to_vec();
let mut r = BufReader::with_capacity(3, text.as_slice());
let mut got = Vec::new();
while let Some(line) = read_line(&mut r, MAX_LINE).unwrap() {
got.push(String::from_utf8(line).unwrap());
}
assert_eq!(got, vec!["{\"a\":1}", "", "{\"b\":2}", "last"]);
let mut r = BufReader::with_capacity(4, b"0123456789\n".as_slice());
assert!(read_line(&mut r, 5).is_err());
}
}
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//! ModelCraft desktop app.
//!
//! Usage: `modelcraft [--sample] [--control PORT]`
//!
//! `--sample` opens a sample model (`modelcraft_engine::sample`). `--control PORT` (or
//! `MODELCRAFT_CONTROL_PORT`) starts a localhost JSON-lines control server:
//! `{"id":1,"method":"engine.execute","params":{"command":"model.info","params":{}}}`. See
//! `modelcraft_ui_egui::control` and docs/control-protocol.md.
#![cfg_attr(all(target_os = "windows", not(debug_assertions)), windows_subsystem = "windows")]
#![deny(clippy::unwrap_used, clippy::expect_used, clippy::panic, clippy::unimplemented, clippy::todo, clippy::unreachable)]
#![forbid(unsafe_code)]
mod control_server;
use modelcraft_engine::Session;
use modelcraft_engine::autosave::{self, Autosaver};
use modelcraft_ui_egui::ModelApp;
const USAGE: &str = "usage: modelcraft [--sample] [--control PORT]";
const DEPTH_BITS: u8 = 24;
const MSAA: u16 = 4;
/// How often unsaved changes are autosaved for recovery (seconds).
const AUTOSAVE_SECONDS: f64 = 30.0;
struct App {
app: ModelApp,
/// Autosave for crash recovery (`None` when the recovery folder is unavailable).
autosaver: Option<Autosaver>,
/// App time of the last autosave check.
autosaved_at: f64,
}
impl App {
fn autosave(&mut self) {
if let Some(a) = &mut self.autosaver
&& let Err(e) = a.save(&self.app.session)
{
log::warn!("autosave: {e}");
}
}
}
impl eframe::App for App {
fn logic(&mut self, ctx: &egui::Context, _frame: &mut eframe::Frame) {
self.app.logic(ctx);
if self.app.now - self.autosaved_at >= AUTOSAVE_SECONDS {
self.autosaved_at = self.app.now;
self.autosave();
}
if self.autosaver.is_some() {
ctx.request_repaint_after(std::time::Duration::from_secs_f64(AUTOSAVE_SECONDS));
}
}
fn on_exit(&mut self) {
if let Some(a) = self.autosaver.take()
&& let Err(e) = a.close(&self.app.session)
{
log::warn!("autosave: {e}");
}
}
fn raw_input_hook(&mut self, _ctx: &egui::Context, raw: &mut egui::RawInput) {
self.app.raw_input_hook(raw);
}
fn ui(&mut self, ui: &mut egui::Ui, _frame: &mut eframe::Frame) {
self.app.ui(ui);
}
}
/// Command-line options.
#[derive(Debug, Default, PartialEq)]
struct Args {
sample: bool,
control: Option<u16>,
}
fn parse_args(args: impl IntoIterator<Item = String>, env_port: Option<String>) -> Result<Option<Args>, String> {
let mut out = Args { control: env_port.and_then(|p| p.trim().parse().ok()), ..Default::default() };
let mut args = args.into_iter();
while let Some(a) = args.next() {
match a.as_str() {
"--sample" => out.sample = true,
"--control" => {
let port = args.next().ok_or("--control needs a port")?;
out.control = Some(port.parse().map_err(|_| format!("--control: `{port}` is not a port number"))?);
}
"--version" | "-V" => {
println!("modelcraft {}", modelcraft_ui_egui::VERSION);
return Ok(None);
}
"--help" | "-h" => {
println!("{USAGE}");
return Ok(None);
}
other => return Err(format!("unknown argument `{other}`\n{USAGE}")),
}
}
Ok(Some(out))
}
fn main() -> eframe::Result {
let args = match parse_args(std::env::args().skip(1), std::env::var("MODELCRAFT_CONTROL_PORT").ok()) {
Ok(Some(a)) => a,
Ok(None) => return Ok(()),
Err(e) => {
eprintln!("modelcraft: {e}");
std::process::exit(2);
}
};
let options = eframe::NativeOptions {
viewport: egui::ViewportBuilder::default().with_title("ModelCraft").with_inner_size([1400.0, 900.0]).with_min_inner_size([800.0, 500.0]),
depth_buffer: DEPTH_BITS,
multisampling: MSAA,
..Default::default()
};
eframe::run_native(
"ModelCraft",
options,
Box::new(move |cc| {
let mut app = ModelApp::new(Session::default());
if let Some(rs) = &cc.wgpu_render_state {
let info = rs.adapter.get_info();
eprintln!("modelcraft: graphics {:?} {}, MSAA {}x (requested {MSAA}x)", info.backend, info.name, rs.msaa_samples);
app.set_wgpu(rs, DEPTH_BITS, rs.msaa_samples, &cc.egui_ctx);
}
if let Some(port) = args.control {
app = app.with_control(control_server::start(port, cc.egui_ctx.clone()));
}
if args.sample {
// The status bar reports a failure; the app still opens.
let _ = app.run_script(&modelcraft_engine::sample::script());
}
let autosaver = autosave::default_dir().and_then(|dir| {
let listed = app.session.execute("file.recovery.list", &serde_json::json!({"dir": dir}));
let recoverable = listed.ok().and_then(|v| v.as_array().map(Vec::len)).unwrap_or(0);
if recoverable > 0 {
app.set_status(format!("{recoverable} autosaved model(s) can be recovered (file.recovery.list, file.recover)"), false);
}
Autosaver::new(&dir).map_err(|e| log::warn!("autosave unavailable: {e}")).ok()
});
Ok(Box::new(App { app, autosaver, autosaved_at: 0.0 }))
}),
)
}
#[cfg(test)]
mod tests {
use super::*;
fn parse(a: &[&str], env: Option<&str>) -> Result<Option<Args>, String> {
parse_args(a.iter().map(|s| s.to_string()), env.map(str::to_string))
}
#[test]
fn arguments() {
assert_eq!(parse(&[], None), Ok(Some(Args::default())));
assert_eq!(parse(&["--sample", "--control", "7070"], None), Ok(Some(Args { sample: true, control: Some(7070) })));
assert_eq!(parse(&[], Some("9000")), Ok(Some(Args { sample: false, control: Some(9000) })));
assert_eq!(parse(&[], Some("nope")), Ok(Some(Args::default())));
assert!(parse(&["--control"], None).is_err());
assert!(parse(&["--control", "99999"], None).is_err());
assert!(parse(&["--frobnicate"], None).is_err());
assert_eq!(parse(&["--help"], None), Ok(None));
}
}
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<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" viewBox="0 0 24 24">
<title>assembly.instance</title>
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