| { |
| "engine": "Project Chrono / PyChrono", |
| "engine_version": "9.0.1", |
| "experiment": "CAD-derived spring attachment on a payload catapult", |
| "material_density_kg_m3": 7800.0, |
| "payload_mass_kg": 1.0, |
| "gravity_m_s2": 9.81, |
| "spring_stiffness_N_m": 100.0, |
| "spring_preload_N": 30.0, |
| "pivot_damping_N_m_s_rad": 0.005, |
| "initial_angle_rad": -0.7853981633974483, |
| "release_angle_rad": 0.0, |
| "duration_s": 0.5, |
| "time_step_s": 0.0005, |
| "minimum_baseline_release_speed_m_s": 0.4, |
| "required_relative_release_speed_gain": 0.5, |
| "maximum_peak_pivot_reaction_N": 25.0, |
| "minimum_spring_seat_x_mm": 45.0, |
| "maximum_spring_seat_x_mm": 85.0, |
| "maximum_spring_seat_y_mm": 0.000001, |
| "maximum_relative_mass_change": 1e-6, |
| "maximum_envelope_change_mm": 1e-6, |
| "maximum_fixed_hole_shift_mm": 1e-6, |
| "maximum_fixed_bore_intrusion_mm3": 0.0001 |
| } |
|
|
