| { |
| "engine": "Project Chrono / PyChrono", |
| "engine_version": "9.0.1", |
| "experiment": "pivoted STEP-derived striker colliding with a guided target block", |
| "material_density_kg_m3": 7800.0, |
| "initial_rotational_energy_J": 0.03, |
| "initial_angle_deg": 20.0, |
| "target_mass_kg": 0.5, |
| "target_center_m": [0.02, 0.08, 0.0], |
| "target_center_x_cases_m": [0.019, 0.02, 0.021], |
| "target_size_m": [0.02, 0.02, 0.01], |
| "contact_stiffness_N_m": 200000.0, |
| "contact_damping_N_s_m": 40.0, |
| "contact_friction": 0.0, |
| "duration_s": 0.15, |
| "time_step_s": 0.00025, |
| "required_relative_target_speed_gain": 0.1, |
| "maximum_relative_mass_change": 1e-6, |
| "maximum_envelope_change_mm": 1e-6, |
| "maximum_external_added_mm3": 0.0001, |
| "maximum_exterior_removed_mm3": 0.0001, |
| "maximum_center_xz_offset_mm": 0.0001 |
| } |
|
|
