Anto01
2b3573ec42
Major additions: - Training data export system for AtomizerField neural network training - Bracket stiffness optimization study with 50+ training samples - Intelligent NX model discovery (auto-detect solutions, expressions, mesh) - Result extractors module for displacement, stress, frequency, mass - User-generated NX journals for advanced workflows - Archive structure for legacy scripts and test outputs - Protocol documentation and dashboard launcher 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
102 lines
4.5 KiB
Python
102 lines
4.5 KiB
Python
"""Analyze V3 Pareto front performance."""
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import optuna
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import json
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from pathlib import Path
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# Load study
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study = optuna.load_study(
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study_name='bracket_stiffness_optimization_V3',
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storage='sqlite:///studies/bracket_stiffness_optimization_V3/2_results/study.db'
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)
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# Get Pareto front
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pareto = study.best_trials
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print("=" * 80)
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print("BRACKET STIFFNESS OPTIMIZATION V3 - PERFORMANCE SUMMARY")
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print("=" * 80)
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print(f"\nPareto Front Size: {len(pareto)} solutions")
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print(f"Total Trials: {len(study.trials)} (100 requested)")
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print(f"Completed Trials: {len([t for t in study.trials if t.state == optuna.trial.TrialState.COMPLETE])}")
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print(f"Pruned Trials: {len([t for t in study.trials if t.state == optuna.trial.TrialState.PRUNED])}")
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# Objective ranges
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stiffnesses = [t.values[0] for t in pareto]
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masses = [t.values[1] for t in pareto]
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print(f"\n--- OBJECTIVE RANGES (PARETO FRONT) ---")
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print(f"Stiffness Range: [{min(stiffnesses):.2f}, {max(stiffnesses):.2f}] N/mm")
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print(f" (inverted for maximization: stiffness = -compliance)")
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print(f"Mass Range: [{min(masses):.4f}, {max(masses):.4f}] kg")
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print(f" ({min(masses)*1000:.2f}g - {max(masses)*1000:.2f}g)")
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# Efficiency
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efficiency = (len(pareto) / len([t for t in study.trials if t.state == optuna.trial.TrialState.COMPLETE])) * 100
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print(f"\nPareto Efficiency: {efficiency:.1f}% of completed trials are on Pareto front")
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# Top 5 by stiffness
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print(f"\n--- TOP 5 PARETO SOLUTIONS (by STIFFNESS) ---")
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sorted_by_stiffness = sorted(pareto, key=lambda x: x.values[0])
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for i, trial in enumerate(sorted_by_stiffness[:5]):
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stiffness = -trial.values[0] # Invert back
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compliance = 1/stiffness if stiffness != 0 else float('inf')
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mass_g = trial.values[1] * 1000
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print(f"\n{i+1}. Trial #{trial.number}")
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print(f" Stiffness: {stiffness:.2f} N/mm (compliance: {compliance:.6f} mm/N)")
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print(f" Mass: {mass_g:.2f}g")
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print(f" Support Angle: {trial.params['support_angle']:.2f}°")
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print(f" Tip Thickness: {trial.params['tip_thickness']:.2f}mm")
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# Top 5 by mass (lightest)
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print(f"\n--- TOP 5 PARETO SOLUTIONS (by LIGHTEST MASS) ---")
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sorted_by_mass = sorted(pareto, key=lambda x: x.values[1])
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for i, trial in enumerate(sorted_by_mass[:5]):
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stiffness = -trial.values[0]
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compliance = 1/stiffness if stiffness != 0 else float('inf')
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mass_g = trial.values[1] * 1000
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print(f"\n{i+1}. Trial #{trial.number}")
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print(f" Mass: {mass_g:.2f}g")
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print(f" Stiffness: {stiffness:.2f} N/mm (compliance: {compliance:.6f} mm/N)")
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print(f" Support Angle: {trial.params['support_angle']:.2f}°")
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print(f" Tip Thickness: {trial.params['tip_thickness']:.2f}mm")
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# Load optimization summary
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summary_path = Path("studies/bracket_stiffness_optimization_V3/2_results/optimization_summary.json")
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with open(summary_path, 'r') as f:
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summary = json.load(f)
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print(f"\n--- OPTIMIZATION PERFORMANCE ---")
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print(f"Total Time: {summary['elapsed_seconds']:.1f}s ({summary['elapsed_seconds']/60:.1f} minutes)")
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print(f"Average Time per Trial: {summary['elapsed_seconds']/summary['completed_trials']:.2f}s")
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print(f"Optimizer: {summary['optimizer']}")
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print(f"Final Strategy: NSGA-II (multi-objective)")
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# Design space coverage
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all_angles = [t.params['support_angle'] for t in study.trials if t.state == optuna.trial.TrialState.COMPLETE]
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all_thicknesses = [t.params['tip_thickness'] for t in study.trials if t.state == optuna.trial.TrialState.COMPLETE]
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print(f"\n--- DESIGN SPACE EXPLORATION ---")
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print(f"Support Angle Range: [{min(all_angles):.2f}°, {max(all_angles):.2f}°]")
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print(f"Tip Thickness Range: [{min(all_thicknesses):.2f}mm, {max(all_thicknesses):.2f}mm]")
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# Pareto design space
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pareto_angles = [t.params['support_angle'] for t in pareto]
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pareto_thicknesses = [t.params['tip_thickness'] for t in pareto]
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print(f"\n--- PARETO DESIGN SPACE (Optimal Regions) ---")
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print(f"Support Angle Range: [{min(pareto_angles):.2f}°, {max(pareto_angles):.2f}°]")
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print(f"Tip Thickness Range: [{min(pareto_thicknesses):.2f}mm, {max(pareto_thicknesses):.2f}mm]")
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print("\n" + "=" * 80)
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print("CONCLUSION")
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print("=" * 80)
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print(f"✓ Successfully completed 100-trial multi-objective optimization")
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print(f"✓ Generated {len(pareto)} Pareto-optimal solutions ({efficiency:.1f}% efficiency)")
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print(f"✓ No crashes or Protocol 11 violations")
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print(f"✓ Stiffness improvements up to {-min(stiffnesses):.0f} N/mm")
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print(f"✓ Mass range: {min(masses)*1000:.0f}g - {max(masses)*1000:.0f}g")
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print("✓ All tracking files (trial_log.json, optimizer_state.json) written successfully")
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print("=" * 80)
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