meshio
2D-Finite Element Analysis with Python
A modern pure-Python implementation of FieldML 0.5: full evaluation engine, interop bridges (meshio/PyVista/XDMF/scikit-fem), curated biomechanics model zoo
Convert Gmsh/VTK meshes to Itasca FLAC3D .f3grid, preserving physical groups (ZGROUP/FGROUP) with correct zone winding.
