File size: 1,101 Bytes
99510bd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | {
"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
}
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