{
  "engine": "Project Chrono / PyChrono",
  "engine_version": "9.0.1",
  "experiment": "free spinning rotor supported by a spherical bearing and a radial bearing",
  "material_density_kg_m3": 7800.0,
  "angular_speed_rad_s": 62.83185307179586,
  "duration_s": 0.3,
  "settling_s": 0.05,
  "time_step_s": 0.0005,
  "bearing_z_mm": [-25.0, 25.0],
  "outer_radius_mm": 40.0,
  "half_thickness_mm": 30.0,
  "shaft_radius_mm": 8.0,
  "hub_radius_mm": 10.0,
  "required_relative_bearing_load_reduction": 0.8,
  "maximum_relative_mass_change": 1e-6,
  "maximum_envelope_change_mm": 1e-6,
  "maximum_interface_missing_mm3": 0.0001,
  "maximum_bore_intrusion_mm3": 0.0001,
  "maximum_relative_speed_drift": 0.01
}