Anto01
b4c0831230
Critical bug fix for LLM mode optimization: **Problem**: - NXParameterUpdater.update_expressions() uses NX journal to import expressions (default use_nx_import=True) - The NX journal directly updates the PRT file on disk and saves it - But then run_optimization.py was calling updater.save() afterwards - save() writes self.content (loaded at initialization) back to file - This overwrote the NX journal changes with stale binary content! **Result**: All optimization trials produced identical FEM results because the model was never actually updated. **Fixes**: 1. Removed updater.save() call from model_updater closure in run_optimization.py 2. Added theSession.Parts.CloseAll() in import_expressions.py to ensure changes are flushed and file is released 3. Fixed test_phase_3_2_e2e.py variable name (best_trial_file → results_file) **Testing**: Verified expressions persist to disk correctly with standalone test. Next step: Address remaining issue where FEM results are still identical (likely solve journal not reloading updated PRT).
115 lines
2.7 KiB
JSON
115 lines
2.7 KiB
JSON
{
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"study_name": "simple_beam_optimization",
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"description": "Test Phase 3.3 post-processing features",
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"substudy_name": "05_test_postprocessing_5trials",
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"design_variables": {
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"beam_half_core_thickness": {
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"type": "continuous",
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"min": 10.0,
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"max": 40.0,
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"baseline": 20.0,
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"units": "mm",
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"description": "Half thickness of beam core"
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},
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"beam_face_thickness": {
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"type": "continuous",
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"min": 10.0,
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"max": 40.0,
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"baseline": 20.0,
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"units": "mm",
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"description": "Thickness of beam face sheets"
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},
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"holes_diameter": {
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"type": "continuous",
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"min": 150.0,
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"max": 450.0,
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"baseline": 300.0,
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"units": "mm",
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"description": "Diameter of lightening holes"
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},
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"hole_count": {
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"type": "integer",
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"min": 5,
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"max": 15,
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"baseline": 10,
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"units": "unitless",
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"description": "Number of lightening holes"
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}
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},
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"extractors": [
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{
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"name": "max_displacement",
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"action": "extract_displacement",
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"description": "Extract maximum displacement from OP2",
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"parameters": {
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"metric": "max"
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}
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},
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{
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"name": "max_stress",
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"action": "extract_solid_stress",
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"description": "Extract maximum von Mises stress from OP2",
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"parameters": {
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"subcase": 1,
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"element_type": "auto"
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}
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},
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{
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"name": "mass",
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"action": "extract_expression",
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"description": "Extract mass from p173 expression",
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"parameters": {
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"expression_name": "p173"
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}
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}
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],
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"objectives": [
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{
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"name": "minimize_displacement",
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"extractor": "max_displacement",
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"goal": "minimize",
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"weight": 0.33,
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"description": "Minimize maximum displacement"
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},
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{
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"name": "minimize_stress",
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"extractor": "max_stress",
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"goal": "minimize",
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"weight": 0.33,
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"description": "Minimize maximum von Mises stress"
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},
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{
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"name": "minimize_mass",
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"extractor": "mass",
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"goal": "minimize",
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"weight": 0.34,
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"description": "Minimize beam mass"
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}
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],
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"constraints": [
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{
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"name": "displacement_limit",
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"extractor": "max_displacement",
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"type": "less_than",
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"value": 10.0,
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"units": "mm",
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"description": "Maximum displacement must be less than 10mm"
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}
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],
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"optimization_settings": {
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"algorithm": "optuna",
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"n_trials": 5,
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"sampler": "TPE",
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"pruner": "HyperbandPruner",
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"direction": "minimize",
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"timeout_per_trial": 600
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},
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"post_processing": {
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"generate_plots": true,
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"plot_formats": ["png", "pdf"],
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"cleanup_models": true,
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"keep_top_n_models": 3,
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"cleanup_dry_run": false
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}
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}
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