Crash Example

[HoussemMouradi]

Hello physicsnemo community,

I'm a mechanical engineer exploring physicsnemo and I'm having some trouble running the training for the crash example with my own raw dataset.

I have a dataset consisting of 10 simulations of a bumper beam crash (OpenRadioss example), where the only varying parameter is the thickness of the bumper beam.

I prepared the raw data using a python script that:

1. Changes the thickness in the RADIOSS Starter file (within the /PROP/SHELL/ block).
2. Runs the simulations.
3. Converts the native RADIOSS output files (ANIM) to d3plot format using the vortex_radioss library.

The structure of my dataset directory looks like this:

├── Run100/ 
│      └── d3plot  
│              ├── result100.d3plot
│              ├── starter100_0000.rad     # RADIOSS STARTER FILE
│              └── engine100_0001.rad      # RADIOSS ENGINE FILE
├── Run101/
│     └── d3plot
│             ├── result101.d3plot
│             ├── starter101_0000.rad
│             └── engine101_0001.rad
└── ...

In d3plot_reader.py, I modified the parse_k_file function to search the RADIOSS Starter file for the thickness under the /PROP/SHELL/ section (which is equivalent to *SECTION_SHELL in LS-DYNA) and to map the part ID to its corresponding thickness value.

When I run train.py, I get this error: