In the following, we will show an example using FreeCAD for the design and GMSH for the mesh generation. For CGAL, a dedicated plugin is available within the SOFA framework (see a documentation here). Several tools also exist for volume meshing such as GID ( ), CGAL ( ), or Gmsh ( ). Several tools exist for 3D modelisation such as OpenSCAD ( ), FreeCAD ( ), or Blender ( ). The aim of this tutorial is to explain how to design a closed surface description made of triangles, and create a volumetric mesh from it. This volume, referred as volumetric mesh will serve as a domain for FEM computation. In order to simulate a mechanical object using Finite Element Modeling (FEM), a discrete version of its volume is required.
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