Antoine 6f3325d86f fix: mass extraction NaN in Hydrotech Beam DOE — two bugs ...

Bug 1 — Journal (solve_simulation.py simple workflow):
  Expression lookup for p173 fails silently for derived/measurement
  expressions, so _temp_mass.txt was never written. Added MeasureManager
  fallback via extract_part_mass() (already used in assembly workflow).

Bug 2 — Extractor (extract_mass_from_expression.py):
  Journal writes 'p173=<value>' format but extractor tried float() on
  the whole content including 'p173='. Added key=value parsing.

Defense in depth — nx_interface.py:
  Added stdout parsing fallback: if _temp_mass.txt still missing, parse
  mass from journal output captured via solver.py stdout passthrough.

Files changed:
  - optimization_engine/nx/solve_simulation.py — MeasureManager fallback
  - optimization_engine/extractors/extract_mass_from_expression.py — key=value parse
  - optimization_engine/nx/solver.py — include stdout in result dict
  - projects/hydrotech-beam/studies/01_doe_landscape/nx_interface.py — stdout fallback

Tags: hydrotech-beam, mass-extraction

2026-02-11 19:02:43 +00:00

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