| { |
| "schema_version": "1.1.0", |
| "case_format": "PyTorch serialized plain dictionary", |
| "recommended_load": "torch.load(file, map_location='cpu', weights_only=True)", |
| "state_count": 17, |
| "case_fields": { |
| "case": {"type": "string", "description": "caseNNN identifier"}, |
| "panel_pid": {"dtype": "int64", "shape": []}, |
| "nid": {"dtype": "int64", "shape": ["N"]}, |
| "boundary_mask": {"dtype": "bool", "shape": ["N"], "description": "true for nodes on the topological outer boundary fixed in all six degrees of freedom"}, |
| "valid_node_mask": {"dtype": "bool", "shape": ["N"]}, |
| "raw_valid_node_mask": {"dtype": "bool", "shape": ["N"]}, |
| "filled_node_mask": {"dtype": "bool", "shape": ["N"]}, |
| "filled_node_count": {"dtype": "int64", "shape": []}, |
| "time": {"dtype": "float32", "shape": [17], "units": "s", "description": "exact retained nodal-state times"}, |
| "time_indices": {"dtype": "int64", "shape": [17], "values": [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 151]}, |
| "disp": {"dtype": "float32", "shape": ["N", 17, 3], "units": "mm", "description": "nodal Cartesian displacement"}, |
| "element_time": {"dtype": "float32", "shape": [17], "units": "s", "description": "exact retained shell-state times"}, |
| "element_time_indices": {"dtype": "int64", "shape": [17], "values": [0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130, 140, 150, 151]}, |
| "element_id": {"dtype": "int64", "shape": ["Ne"]}, |
| "repaired_element_ids": {"dtype": "int64", "shape": "variable"}, |
| "effective_stress": { |
| "dtype": "float32", |
| "shape": ["Ne", 17], |
| "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" |
| }, |
| "velocity_vz": {"dtype": "float32", "shape": [], "units": "mm/s", "description": "global-Z component retained for compatibility"}, |
| "velocity_xyz": {"dtype": "float32", "shape": [3], "units": "mm/s", "description": "rigid-impactor initial Cartesian velocity"}, |
| "impact_speed": {"dtype": "float32", "shape": [], "units": "mm/s", "design_domain": [1732.05, 5196.15]}, |
| "impact_xyz": {"dtype": "float32", "shape": [3], "units": "mm", "description": "selected eligible panel-shell centroid; Z is not independently sampled"}, |
| "impact_node_distance": {"dtype": "float32", "shape": ["N"], "units": "mm"}, |
| "ball_center_xyz": {"dtype": "float32", "shape": [3], "units": "mm", "description": "initial spherical-impactor center"}, |
| "impact_element_id": {"dtype": "int64", "shape": []}, |
| "mass_ratio": {"dtype": "float32", "shape": [], "units": "dimensionless", "design_domain": [0.75, 1.25], "description": "common scale factor for reference rigid-impactor mass and density"}, |
| "impactor_mass": {"dtype": "float32", "shape": [], "units": "tonne", "description": "generator-recorded nominal mass equal to 0.01 * mass_ratio"}, |
| "impactor_density": {"dtype": "float32", "shape": [], "units": "tonne/mm^3", "description": "rigid-impactor density equal to 5.205e-5 * mass_ratio"}, |
| "theta_deg": {"dtype": "float32", "shape": [], "units": "degree", "design_domain": [0.0, 15.0], "description": "polar angle from global +Z"}, |
| "phi_deg": {"dtype": "float32", "shape": [], "units": "degree", "design_domain": [0.0, 360.0], "description": "azimuth in global XY from +X toward +Y"}, |
| "material_young_mpa": {"dtype": "float32", "shape": [], "units": "MPa", "values": [70000.0, 110000.0, 210000.0], "entity": "rigid_impactor"}, |
| "material_poisson": {"dtype": "float32", "shape": [], "units": "dimensionless", "values": [0.33, 0.34, 0.30], "entity": "rigid_impactor"}, |
| "material_index": {"dtype": "int64", "shape": []}, |
| "material_one_hot": {"dtype": "float32", "shape": [3]}, |
| "material_name": {"type": "string"}, |
| "condition_names": {"type": "list[string]", "length": 7}, |
| "condition_vector": {"dtype": "float32", "shape": [7]} |
| }, |
| "mesh_fields": { |
| "node_pos": {"dtype": "float32", "shape": ["N", 3], "units": "mm"}, |
| "edge_index": {"dtype": "int64", "shape": [2, "E"]}, |
| "element_node_index": {"dtype": "int64", "shape": ["Ne", 4], "padding": "The third node index is repeated in column four for triangular shells"}, |
| "element_node_count": {"dtype": "int64", "shape": ["Ne"], "values": [3, 4]}, |
| "boundary_mask": {"dtype": "bool", "shape": ["N"], "description": "topological outer-boundary nodes"} |
| }, |
| "geometry_shapes": { |
| "floorfrontdriver": {"N": 7408, "E": 29572, "Ne": 7374}, |
| "floorfrontR": {"N": 12011, "E": 48138, "Ne": 12055}, |
| "trunkfloor": {"N": 14440, "E": 58074, "Ne": 14589} |
| }, |
| "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", |
| "young_modulus": "MPa" |
| }, |
| "temporal_sampling": { |
| "d3plot_nominal_interval_s": 0.0002, |
| "compact_stride": 10, |
| "append_final_state": true, |
| "peak_time_scope": "argmax over valid nodes and 17 retained states" |
| } |
| } |
|
|
