6. D modeling: geometric method

6.1. Characteristics of modeling

An auxiliary grid is used. We are going to test option ZONE_MAJ on the mesh of the structure. The radius of the cylinder (\(2\mathrm{mm}\)) defined on the mesh of the structure coincides with the projection radius of the level-sets between the grid and the mesh. This radius is the sum of the imposed advance (\(1\mathrm{mm}\)) and the radius of convergence (\(1\mathrm{mm}\)) imposed by RAYON in PROPA_FISS.

6.2. Characteristics of the mesh

The same mesh as that used for modeling A. This mesh is also used to define the auxiliary grid.

6.3. Tested sizes and results

We test that the maximum and minimum values of the difference field are equal to zero.

Option ZONE_MAJ therefore correctly calculates the group of nodes in the structure where the crack level-sets have been updated by projecting values from the auxiliary grid.