Hi John, I also found these two functions. I am working on it ;-) Thank you very much.
Cheers, Xujun On Fri, Oct 30, 2015 at 11:22 AM, John Peterson <jwpeter...@gmail.com> wrote: > > > On Fri, Oct 30, 2015 at 9:50 AM, Xujun Zhao <xzha...@gmail.com> wrote: > >> Hi all, >> >> I want to find the neighboring nodes that are connected with an specific >> node i. Does libMesh have functions to do this? Thank you very much. > > > Yes. > > // find_nodal_neighbors() needs a data structure which is prepared by > another function > std::vector<std::vector<const Elem*> > nodes_to_elem_map; > MeshTools::build_nodes_to_elem_map(mesh, nodes_to_elem_map); > > // Then you can call (*node is a reference to the node whose neighbors you > want): > std::vector<const Node*> neighbors; > MeshTools::find_nodal_neighbors(mesh, *node, nodes_to_elem_map, neighbors); > > -- > John > ------------------------------------------------------------------------------ _______________________________________________ Libmesh-users mailing list Libmesh-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmesh-users
