{
  "engine": "Project Chrono / PyChrono",
  "engine_version": "9.0.1",
  "experiment": "CAD-derived compression spring pin on a revolute toggle-clamp lever",
  "material_density_kg_m3": 7800.0,
  "closed_angle_deg": 5.0,
  "spring_anchor_m": [0.06, 0.0],
  "spring_force_N": 1.0,
  "opening_load_torque_N_m": 0.01,
  "release_pulse_torque_N_m": 0.05,
  "release_pulse_s": 0.1,
  "stop_stiffness_N_m_rad": 1.0,
  "stop_damping_N_m_s_rad": 0.01,
  "duration_s": 0.5,
  "time_step_s": 0.0005,
  "minimum_overcenter_margin_rad": 0.1,
  "minimum_held_angle_rad": 0.0,
  "maximum_baseline_held_angle_rad": -0.1,
  "maximum_released_angle_rad": -0.5,
  "maximum_pivot_reaction_N": 2.0,
  "maximum_relative_mass_change": 1e-6,
  "maximum_envelope_change_mm": 1e-6,
  "maximum_fixed_pin_shift_mm": 1e-6,
  "maximum_fixed_bore_intrusion_mm3": 0.0001
}