Meshing

Some calculation codes may require a meshing of the domain (SPPS for example). I-Simpa used the TetGen meshing code (A Quality Tetrahedral Mesh Generator and a 3D Delaunay Triangulator). See the documentation for more information.

Within I-Simpa, TetGen can be paramatrized:

• “Test mesh topology”

  Check/uncheck for activate the debug mode of TetGen (debug mode).

  Avertissement

  With the debug mode, the meshing is not realized.

• “Additional parameters”

  Add parameters to the TetGen default parameters.

• “Radius/Edge ratio”

  Defines the ratio between the radius of the sphere that would contain a mesh and the lenght of the mesh. This parameter could be useful in order to avoid long meshes.

• “Scene correction before meshing”

  Check/uncheck for trying to repair the 3D scene if possible.

• “User-defined paramters”

  Defines new parameters by replacing default parameters.

• “Surface receiver constraint”.

  Check/uncheck for using a given value of the mesh surface “Surface receiver constraint (m²)”.

• “Surface receiver constraint (m²)”

  Maximun accepted value of the mesh surface (m²) for a surface receiver. The value can be modified only if the “Surface receiver constraint” parameter is checked.

• “Volume constraint”

  Check/uncheck for using a given maximum value of the mesh volume “Volume constraint (m3)”.

• “Volume constraint (m3)”

  Maximun accepted value of a mesh volume (m3). The value can be modified only if the “Volume constraint” parameter is checked.