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fix: generic mass extraction in solve_simulation.py (beam + bracket)

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- Extract mass RIGHT AFTER geometry rebuild while part is work part
- Replace unreliable p173 expression lookup with MeasureManager
- Skip re-extraction if mass already captured during rebuild
- Relax displacement constraint to 20mm (DEC-HB-012, CEO approved)

Root cause: journal hardcoded M1_Blank for bracket, failed silently on Beam.prt
Fix by: NX Expert + Manager diagnosis
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Antoine
2026-02-13 02:16:39 +00:00
parent 57130ccfbc
commit 580ed65a26
3 changed files with 31 additions and 18 deletions
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projects/hydrotech-beam/CONTEXT.md
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@@ -20,7 +20,7 @@ Minimize beam mass while meeting displacement and stress constraints. Single-obj
| hole_span | `p6` (→ `Pattern_p9`) | 4,000 | TBD | mm | Potential (G15) | Total span for hole distribution |
## Constraints
- Max tip displacement: ≤ 10 mm
- Max tip displacement: ≤ 20 mm (relaxed from 10mm — CEO approved 2026-02-13, dummy case)
- Max von Mises stress: ≤ ~130 MPa (steel, conservative — Gap G9)
- Mass tracked via NX expression **`p173`** (`body_property147.mass` [kg])