underbody-impact-data / metadata /floorfrontR_geometry.json
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Document simulation protocol and generation evidence for v1.1.0
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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"
}