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Datasets:
structmeshdata
/
underbody-impact-data

Modalities:
3D
Time-series
Tags:
3d
timeseries
finite-element-analysis
impact-mechanics
graph-neural-networks
License:
Dataset card Files
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underbody-impact-data
File size: 2,539 Bytes
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{
  "geometry": "floorfrontdriver",
  "data_revision": "review_release_v1",
  "cases": 500,
  "states_per_case": 17,
  "displacement_shape_per_case": [
    7408,
    17,
    3
  ],
  "effective_stress_shape_per_case": [
    7374,
    17
  ],
  "effective_stress_definition": {
    "quantity": "von_mises_effective_stress",
    "entity": "shell_element",
    "through_thickness_reduction": "max_integration_point",
    "ls_prepost_component": "etime 9",
    "ls_prepost_label": "Effective Stress (v-m), ip#max",
    "integration_point_index_retained": false,
    "units": "MPa"
  },
  "mesh": {
    "file": "meshes/floorfrontdriver_mesh.npz",
    "nodes": 7408,
    "directed_graph_edges": 29572,
    "shell_elements": 7374,
    "shell_triangles": 341,
    "shell_quads": 7033,
    "boundary_nodes": 416
  },
  "time_value_range": [
    0.0,
    0.030000703409314156
  ],
  "condition_ranges": {
    "impact_x": [
      -2724.6455078125,
      -1656.1412353515625
    ],
    "impact_y": [
      224.04954528808594,
      612.4707641601562
    ],
    "impact_z": [
      284.037841796875,
      321.5826110839844
    ],
    "velocity_x": [
      -1207.6029052734375,
      1239.7603759765625
    ],
    "velocity_y": [
      -1189.7738037109375,
      1136.3560791015625
    ],
    "velocity_z": [
      1718.663818359375,
      5186.32568359375
    ],
    "impact_speed": [
      1741.2091064453125,
      5195.2529296875
    ],
    "mass_ratio": [
      0.7512320280075073,
      1.2494629621505737
    ],
    "impactor_mass": [
      0.007512320298701525,
      0.012494630180299282
    ],
    "impactor_density": [
      3.910162558895536e-05,
      6.503454642370343e-05
    ],
    "theta_deg": [
      7.669999831705354e-06,
      14.99563217163086
    ],
    "phi_deg": [
      0.1986832469701767,
      359.6679382324219
    ],
    "material_young_mpa": [
      70000.0,
      210000.0
    ],
    "material_poisson": [
      0.30000001192092896,
      0.3400000035762787
    ],
    "material_index": [
      0,
      2
    ]
  },
  "material_counts": {
    "aluminum_rigid": 167,
    "steel_rigid": 166,
    "titanium_rigid": 167
  },
  "units": {
    "status": "SPECIFIED",
    "system": "tonne-mm-s-N",
    "coordinate": "mm",
    "displacement": "mm",
    "time": "s",
    "velocity": "mm/s",
    "mass": "tonne",
    "density": "tonne/mm^3",
    "effective_stress": "MPa",
    "material_young_field_name": "material_young_mpa",
    "angles": "degrees"
  },
  "case_file_policy": "original compact 17-state .pt bytes preserved"
}