Thanks! I do have a matching mesh, and now I will look to use getfem to solve this problem with the suggestions given.
-Jehanzeb On Wed, Jul 1, 2009 at 3:53 AM, Yves Renard<[email protected]> wrote: > > > Hello, > > For such a simple situation (matching meshes), you can also use the > set_dof_partition method of the mesh_fem object. See line 678 of > tests/crack.cc to define the partition on a domain and line 833 to obtain the > constraint matrix (you can preferably use the gmm::range_basis algorithm to > select the constraints in the whole mass matrix instead of simply looking at > the diagonal terms). > > For non-matching meshes, you have to use the (imperfect) interpolated fem > object. > > Best regards, > > Yves. > > > > > On mercredi 1 juillet 2009, Ronan Perrussel wrote: >> Hello, >> >> it was not fully straightforward but you can find an example in: >> getfem++/contrib/inter_element_test, >> if you have matching meshes on the interface. If not it is certainly >> possible but I am not the expert to explain how to do. >> >> I hope it helps, >> Best regards, >> Ronan >> >> Jehanzeb Hameed a écrit : >> > Hello, >> > >> > I am investigating the possibility of using getfem for implementing a >> > 2 domain problem, with an interface between the domains. I want to use >> > continuous lagrange elements on each domain, and a jump condition at >> > the interface. The jump condition will take the form (u_1 - u_2, v_1 - >> > v_2), where u_1 and v_1 and test and trial functions for domain 1, and >> > u_2 and v_2 are test and trial functions for domain 2. The integral >> > (u_1 - u_2, v_1 - v_2) is only over the interface between the domains. >> > >> > Can this be done relatively easily in getfem? >> > >> > Thanks, >> > -Jehanzeb >> > >> > _______________________________________________ >> > Getfem-users mailing list >> > [email protected] >> > https://mail.gna.org/listinfo/getfem-users > > > > -- > > Yves Renard ([email protected]) tel : (33) 04.72.43.87.08 > Pole de Mathematiques, INSA-Lyon fax : (33) 04.72.43.85.29 > 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
