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Atomizer/examples/bracket/bracket_sim1-solution_1_Solution_Monitor_Graphs.html

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feat: Add complete Bracket example with validated OP2 extraction Added complete working example with all NX result files for testing and validation of the OP2 result extractor. Files Added (examples/bracket/): - Bracket.prt: Part geometry with expressions - Bracket_sim1.sim: Simulation definition (SOL 101 Linear Statics) - Bracket_fem1.fem: Finite element mesh - bracket_sim1-solution_1.op2: Binary results (666 KB) - bracket_sim1-solution_1.f06: ASCII results log - bracket_sim1-solution_1.dat: Nastran input deck - Supporting files: .diag, .f04, .log, .html, .png Validated Results from OP2: ✓ Max Displacement: 0.362 mm (node 91) - Primary direction: -Z (-0.354 mm) - Load application point ✓ Max von Mises Stress: 122.91 MPa (element 79, CHEXA) - Material: Aluminum 6061-T6 (yield = 276 MPa) - Safety Factor: 2.25 ✅ SAFE - Well below yield strength Units Handling: - NX units: mm, mN (milli-newton), kg - Stress in OP2: mN/mm² = kPa - Conversion required: kPa / 1000 = MPa - Displacement: mm (direct) Model Properties: - Analysis Type: SOL 101 Linear Statics - Elements: 585 (CHEXA hexahedral) - Load: ~1000 N in -Z direction (3 application points) - Constraints: Fixed supports at base - Material: Al 6061-T6 Optimization Potential: Current design has good margins: - Displacement: 0.36 mm (could allow up to ~1.0 mm) - Stress: 122.91 MPa (could allow up to ~200 MPa) → Weight reduction opportunity while maintaining safety! This validates: - pyNastran OP2 extraction works correctly - Units conversion handling (mN → N, kPa → MPa) - Multi-objective optimization is feasible - Example ready for testing optimization workflow
2025-11-15 14:52:15 +00:00
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