Hello I've got a sphere in a cube with each having different materials and each being governed by different equations. At interface between the sphere and the cube, there's a zero neumann boundary condition from the sphere while there's a dircihlet condition for the cube's inner surface (with u_cube_inner_surface = u_sphere_surface).
My plan is to have two triangulations: one for the sphere and one for the cube and then manually set the vertices on the cube's inner surface to the solution values at the corresponding vertices on the sphere surface. a) Is this the best way to do it? b) If it is, assuming I load two different meshes (one for the sphere and the other for the cube), what can I do if the vertices at the interface do not line up? c) On the other hand, If I load a single mesh with the cube and sphere merged, can I split the mesh into two sub-meshes and work on each individually? -- Many thanks, TK
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