I have a few questions regarding importing ExodusII meshes created in Gridgen
to Libmesh. I have created a simple structured mesh in Gridgen with the .exo
format. Also, I made sure that the boundary conditions were defined as side
sets. I face no problems reading the mesh using the ExodusII_IO object:
ExodusII_IO exo(mesh);
exo.read("BUMP100x100.exo");
I get the following mesh message when I use mesh.print_info()
Mesh Information:
mesh_dimension()=2
spatial_dimension()=3
n_nodes()=10000
n_local_nodes()=0
n_elem()=9801
n_local_elem()=0
n_active_elem()=9801
n_subdomains()=1
n_partitions()=1
n_processors()=1
n_threads()=1
processor_id()=0
The issue is, when I try accessing the elements or the nodes of the mesh
through the element iterators, I am unable to do so. A case in point is the
following loop:
MeshBase::const_element_iterator el =
mesh.active_local_elements_begin();
const MeshBase::const_element_iterator end_el =
mesh.active_local_elements_end();
for ( ; el != end_el; ++el)
std::cout<<"AAAAAAAAAAAAAA\n";
This loop is never entered. Is there something wrong with how I am importing
the mesh? Or is there something that I need to correct while making the mesh in
Gridgen? Please advice.
Thanks for your help.
Regards
Amal Sahai
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