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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: 2,524 Bytes
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{
  "geometry": "floorfrontR",
  "data_revision": "review_release_v1",
  "cases": 500,
  "states_per_case": 17,
  "displacement_shape_per_case": [
    12011,
    17,
    3
  ],
  "effective_stress_shape_per_case": [
    12055,
    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/floorfrontR_mesh.npz",
    "nodes": 12011,
    "directed_graph_edges": 48138,
    "shell_elements": 12055,
    "shell_triangles": 576,
    "shell_quads": 11479,
    "boundary_nodes": 494
  },
  "time_value_range": [
    0.0,
    0.03000050224363804
  ],
  "condition_ranges": {
    "impact_x": [
      -2723.712646484375,
      -1657.7757568359375
    ],
    "impact_y": [
      -614.1250610351562,
      -202.4583740234375
    ],
    "impact_z": [
      285.6304931640625,
      320.30462646484375
    ],
    "velocity_x": [
      -1103.33740234375,
      1124.4693603515625
    ],
    "velocity_y": [
      -1064.432373046875,
      1170.837890625
    ],
    "velocity_z": [
      1696.9781494140625,
      5178.09375
    ],
    "impact_speed": [
      1736.44091796875,
      5193.4033203125
    ],
    "mass_ratio": [
      0.7503408193588257,
      1.2490949630737305
    ],
    "impactor_mass": [
      0.007503408472985029,
      0.012490949593484402
    ],
    "impactor_density": [
      3.905524135916494e-05,
      6.50153961032629e-05
    ],
    "theta_deg": [
      0.0070020100101828575,
      14.971134185791016
    ],
    "phi_deg": [
      0.1686650961637497,
      359.6947326660156
    ],
    "material_young_mpa": [
      70000.0,
      210000.0
    ],
    "material_poisson": [
      0.30000001192092896,
      0.3400000035762787
    ],
    "material_index": [
      0,
      2
    ]
  },
  "material_counts": {
    "aluminum_rigid": 166,
    "steel_rigid": 167,
    "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"
}