{
  "engine": "Project Chrono / PyChrono FEA",
  "engine_version": "9.0.1",
  "mesher": "Gmsh",
  "mesher_version": "4.14.1",
  "experiment": "Directional clip stiffness for opening and axial retention strokes",
  "material_density_kg_m3": 7800.0,
  "young_modulus_Pa": 200000000000.0,
  "poisson_ratio": 0.3,
  "insertion_probe_force_N": 100.0,
  "retention_probe_force_N": 200.0,
  "insertion_opening_per_arm_m": 0.0002,
  "retention_pull_distance_m": 0.00005,
  "mesh_sizes_mm": [1.2, 1.0],
  "minimum_insertion_force_N": 35.0,
  "maximum_insertion_force_N": 55.0,
  "minimum_retention_force_N": 1700.0,
  "maximum_retention_force_N": 2300.0,
  "maximum_equivalent_strain": 0.002,
  "maximum_relative_mesh_force_change": 0.08,
  "maximum_relative_mass_increase": 0.0,
  "maximum_fixed_feature_missing_mm3": 0.0001,
  "maximum_fixed_feature_excess_mm3": 0.0001,
  "maximum_envelope_excess_mm3": 0.0001
}