{
  "engine": "Project Chrono / PyChrono wheel and chassis dynamics",
  "engine_version": "9.0.1",
  "experiment": "Brake stopping distance from STEP pad-contact radius",
  "cad_tessellation_tolerance_mm": 0.1,
  "friction_face_y_mm": 6.0,
  "car_mass_kg": 250.0,
  "wheel_mass_kg": 5.0,
  "wheel_spin_inertia_kg_m2": 1.5,
  "wheel_radius_m": 0.3,
  "initial_speeds_m_s": [8.0, 10.0],
  "time_step_s": 0.001,
  "maximum_duration_s": 10.0,
  "stop_speed_m_s": 0.2,
  "pad_friction": 0.4,
  "clamp_force_N": 10000.0,
  "tire_peak_force_N": 2000.0,
  "tire_slip_stiffness": 10.0,
  "maximum_tire_slip": 0.15,
  "required_relative_stopping_distance_reduction": 0.2,
  "maximum_candidate_stopping_distance_m_at_10m_s": 10.0,
  "maximum_relative_volume_change": 0.000001,
  "maximum_base_missing_mm3": 0.0001,
  "maximum_bore_overlap_mm3": 0.0001,
  "maximum_contact_area_relative_change": 0.005,
  "maximum_envelope_excess_mm3": 0.0001
}