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@@ -143,19 +143,27 @@ Minimize beam mass while meeting displacement and stress constraints. Single-obj
- 2026-02-11: NX version fixed (DesigncenterNX 2512), path resolution bugs fixed, iteration architecture finalized (backup/restore in-place), history DB added. First real solve results. - 2026-02-11: NX version fixed (DesigncenterNX 2512), path resolution bugs fixed, iteration architecture finalized (backup/restore in-place), history DB added. First real solve results.
## Status ## Status
Phase: **DOE execution** — solver pipeline operational, first results obtained Phase: **DOE re-run** — mass bug fixed, constraint relaxed, ready for clean DOE
Generation: 003 Generation: 004
Channel: #project-hydrotech-beam Channel: #project-hydrotech-beam
Last update: 2026-02-11 Last update: 2026-02-13
### Solver Pipeline Status ### Solver Pipeline Status
- ✅ NX journal solve working (DesigncenterNX 2512) - ✅ NX journal solve working (DesigncenterNX 2512)
- ✅ Mass extraction via `p173` expression - ✅ Mass extraction fixed — commit `580ed65` (MeasureManager after geometry rebuild, no more stale p173)
- ✅ Displacement & stress extraction via pyNastran OP2 parsing - ✅ Displacement & stress extraction via pyNastran OP2 parsing
- ✅ Iteration archival (params, results, OP2, F06) - ✅ Iteration archival (params, results, OP2, F06)
- ✅ History DB (SQLite + CSV, append-only, survives --clean) - ✅ History DB (SQLite + CSV, append-only, survives --clean)
- ✅ Geometric pre-checks (hole overlap, web clearance) - ✅ Geometric pre-checks (hole overlap, web clearance)
- 🔄 Full 51-trial DOE run pending - ✅ Displacement constraint relaxed: 10mm → 20mm (DEC-HB-012)
- 🔄 Pull fix on dalidou → test single trial → re-run full DOE
### DOE Phase 1 Results (pre-fix, 51 trials)
- 39/51 solved, 12 geo-infeasible (hole overlap)
- **0 fully feasible** at 10mm constraint (min displacement ~19.6mm)
- **Mass = NaN on all trials** — extraction bug (now fixed)
- Stress constraint met by several trials
- With 20mm relaxation, many trials should now be feasible
### Development Workflow ### Development Workflow
- **Git only** for development (git push/pull between server and dalidou) - **Git only** for development (git push/pull between server and dalidou)