| { |
| "engine": "Project Chrono / PyChrono FEA and SMC contact", |
| "engine_version": "9.0.1", |
| "mesher": "Gmsh", |
| "mesher_version": "4.14.1", |
| "experiment": "STEP-derived leaf stiffness in a reduced-order impact contact", |
| "material_density_kg_m3": 1200.0, |
| "young_modulus_Pa": 2000000000.0, |
| "poisson_ratio": 0.3, |
| "fea_probe_force_N": -100.0, |
| "mesh_sizes_mm": [2.0, 1.5], |
| "impactor_mass_kg": 0.5, |
| "impactor_radius_m": 0.01, |
| "impactor_initial_center_y_m": 0.015, |
| "impactor_initial_speed_m_s": 1.0, |
| "reference_compression_m": 0.001, |
| "contact_damping_ratio": 0.2, |
| "impact_duration_s": 0.04, |
| "impact_time_step_s": 0.00001, |
| "minimum_baseline_peak_force_N": 220.0, |
| "required_relative_peak_force_reduction": 0.1, |
| "maximum_impact_stroke_m": 0.0032, |
| "minimum_rebound_speed_m_s": 0.9, |
| "maximum_rebound_speed_m_s": 1.05, |
| "maximum_relative_mesh_stiffness_change": 0.09, |
| "maximum_mesh_improvement_spread": 0.03, |
| "maximum_relative_mass_change": 1e-6, |
| "maximum_end_pad_missing_mm3": 0.0001, |
| "maximum_end_pad_excess_mm3": 0.0001, |
| "maximum_envelope_excess_mm3": 0.0001 |
| } |
|
|
