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About the DrawMesh GUI

The DrawMesh GUI is a tool to create new finite element meshes for use with redAnTS GUI. Any domain must be built from 4-sided subdomains, which are joined together. Curved sides and varying numbers of subdivisions are supported.

When you finish drawing your desired domain, DrawMesh writes a mesh generation file, calls the program mesh_3tri, and writes and loads a final mesh file. That file can later be loaded directly from the redAnTS GUI using the "Import - Mapping Method" option from the Mesh menu.