| { |
| "engine": "Project Chrono / PyChrono rigid contact", |
| "engine_version": "9.0.1", |
| "experiment": "Sprung track-shoe carriage crossing an isolated rigid rock", |
| "cad_tessellation_tolerance_mm": 1.0, |
| "carrier_mass_kg": 20.0, |
| "carrier_inertia_kg_m2": [1.0, 1.0, 1.0], |
| "initial_position_m": [-0.4, 0.0, 0.02], |
| "drive_speeds_m_s": [0.15, 0.18], |
| "duration_s": 5.0, |
| "time_step_s": 0.001, |
| "gravity_m_s2": 9.81, |
| "spring_rest_height_m": 0.02, |
| "spring_stiffness_N_m": 5000.0, |
| "spring_damping_N_s_m": 1000.0, |
| "rock_radius_m": 0.04, |
| "rock_center_m": [0.0, 0.0, 0.0], |
| "contact_friction": 0.4, |
| "contact_young_modulus_Pa": 2000000.0, |
| "collision_thickness_m": 0.001, |
| "minimum_baseline_peak_acceleration_m_s2": 2.0, |
| "required_relative_peak_acceleration_reduction": 0.5, |
| "maximum_candidate_peak_acceleration_m_s2": 2.0, |
| "minimum_rock_climb_m": 0.015, |
| "maximum_relative_volume_change": 0.000001, |
| "maximum_mount_missing_mm3": 0.0001, |
| "maximum_envelope_excess_mm3": 0.0001 |
| } |
|
|
