Run an application

Applications are built from the entry points in apps/. Pass the parameter file explicitly; do not rely on the current working directory.

./build/<executable> path/to/input.prm

Debug builds append _debug to the executable name. For example:

./build/elastic_static_debug build/tutorials/elastic_static/elastic_static.prm

The explicit elasticity example uses a manufactured wave solution and writes the error table along with the VTU output:

./build/elasticity_explicit prms/prm_2d_euler_mms.prm

The application reference is the authoritative inventory of executable names, supported dimension combinations, optional dependencies, and canonical examples. The tutorials explain selected workflows rather than repeating the complete parameter reference.

Download brain and vessel meshes

Download the brain grid and its vessel grid from the ImmersX v0.3 release. The script requires Python 3 and curl:

python3 scripts/download_brain_assets.py

The script places BG001_skull_back_actuator.inp and BG0001_alex_scale.vtk in data/brain/ below the repository containing the script, regardless of the working directory. This directory is ignored by Git. Use --directory PATH to choose another destination.

Downloads are verified against SHA-256 checksums before being placed at their final paths. Repeated runs reuse verified files and refuse to overwrite files whose checksums differ. Use the absolute downloaded mesh paths in application parameter files.