Le jeudi 12 juillet 2007 11:19, Andriy Andreykiv a écrit : > Dear Yves, > > Thank you very much for your suggestion. Please don't spend more time > on this problem then necessary to tell whether the idea I present below > makes sense. > > Indeed I need a mass matrix between two vectorial FEM's. > So, what I think I could do is to obtain this matrix between two scalar > FEM's, defined on the same mesh and then populate it in such a way that it > can be used as a mass matrix between two FEM's with target dimention 3. > In here I would need to assume that if a scalar DOF's have a certain > numbering on the nodes of the mesh, the vectorial numbering > can be automatically obtained like this: if i is a number of a scalar > DOF, then in vectorial 3D FEM the same number i will correspond to X DOF, > i+1 to Y DOF and i+3 to Z DOF. Hence I could obtain my mixed mass matrix > the same way I would obtain a standard (single mesh) vectorial mass matrix > from a scalar one. Is that correct? >
Yes, this is correct. Normally, the numeration of dof will correspond in that sense. Yves. ------------------------------------------------------------------------- Yves Renard ([EMAIL PROTECTED]) tel : (33) 04.72.43.80.11 Pole de Mathematiques, fax : (33) 04.72.43.85.29 Institut Camille Jordan - CNRS UMR 5208 INSA de Lyon, Universite de Lyon 20, rue Albert Einstein 69621 Villeurbanne Cedex, FRANCE http://math.univ-lyon1.fr/~renard ------------------------------------------------------------------------- _______________________________________________ Getfem-users mailing list [email protected] https://mail.gna.org/listinfo/getfem-users
