NINI
57 lines
1.8 KiB
Markdown
57 lines
1.8 KiB
Markdown
# Sprint Contract: Validation Singular Diagnostics
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## Objective
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Strengthen domain and analysis-model validation so invalid inputs and singular-prone models fail before or during solve with actionable diagnostics.
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## Required Reading
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- /AGENTS.md
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- /docs/ARCHITECTURE.md
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- /docs/NUMERICAL_CONVENTIONS.md
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- /docs/ABAQUS_INPUT_SUBSET.md
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- /docs/VERIFICATION_PLAN.md
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## Scope
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- Validate missing nodes, properties, materials, sets, boundary targets, load targets, active elements, and non-positive thickness.
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- Add singular-prone diagnostics for no free DOFs, untouched free DOFs, missing loads where expected, and unconstrained drilling/rotational risks.
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- Keep mesh quality diagnostics out of Phase 1.
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## Allowed Files
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- `include/`
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- `src/`
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- `tests/`
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- `PLAN.md`
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- `PROGRESS.md`
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## Explicit Non-Goals
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- Do not implement mesh quality metrics such as aspect ratio, skew, or warpage.
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- Do not solve the global system in this step.
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- Do not hide singular checks in element kernels.
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## Tests To Write First
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- Missing node/property/material diagnostics.
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- Missing set used by shell section, boundary, or load.
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- No active elements.
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- No free DOFs.
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- Free DOFs untouched by any active element connectivity.
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- Rotational/drilling weak-constraint diagnostic smoke test.
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## Reference Artifacts
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- Negative inline test inputs may be used.
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## Acceptance Commands
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```bash
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python scripts/validate_workspace.py
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```
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## Evaluator Checklist
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- Diagnostics include node id, element id, property id, material id, set name, DOF component, and source line where available.
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- Mesh quality remains explicitly deferred.
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- Validation does not mutate `Domain`.
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## Handoff Requirements
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- Record validation coverage in `PROGRESS.md`.
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- Note any remaining singular-diagnostic gaps in `PLAN.md`.
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## Do Not
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- Do not classify poor element shape as a Phase 1 mesh quality failure.
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