| { |
| "engine": "Project Chrono / PyChrono elastic FEA and dynamics", |
| "engine_version": "9.0.1", |
| "mesher": "Gmsh", |
| "mesher_version": "4.14.1", |
| "experiment": "Tool-tip lag from STEP lateral stiffness under base acceleration", |
| "young_modulus_Pa": 2000000000.0, |
| "poisson_ratio": 0.3, |
| "material_density_kg_m3": 1200.0, |
| "lateral_test_force_N": 10.0, |
| "mesh_sizes_mm": [3.0, 2.5], |
| "tool_mass_kg": 0.5, |
| "modal_arm_mass_fraction": 0.23, |
| "damping_ratio": 0.04, |
| "base_acceleration_amplitude_m_s2": 20.0, |
| "acceleration_frequencies_Hz": [10.0, 20.0], |
| "duration_s": 0.5, |
| "time_step_s": 0.0002, |
| "required_relative_tracking_error_reduction": 0.18, |
| "maximum_candidate_tracking_error_m": 0.001, |
| "maximum_relative_mesh_tracking_error_change": 0.1, |
| "maximum_relative_mass_change": 0.000001, |
| "maximum_end_pad_missing_mm3": 0.0001, |
| "maximum_end_pad_excess_mm3": 0.0001, |
| "maximum_envelope_excess_mm3": 0.0001 |
| } |
|
|
