On 11/27/23 14:52, Lance Zhang wrote:
May I know how to find the neighbor of a cell?
Here is one part of my code:
----------------------------------------------------------------------------------------------------------------------
for (const auto &cell : solid_3d.get_dof_handler().active_cell_iterators()
{
const unsigned int cell_index = cell->active_cell_index();
// Loop over all degrees of freedom on the current cell
for (unsigned int i = 0; i < dofs_per_cell.dofs_per_cell; ++i)
{
// Loop over all neighboring cells
for (const auto &neighbor : Find_neighbors?)){
You can write this as
for (unsigned int f=0; f<cell->n_faces(); ++f)
{
DoFHandler::cell_iterator neighbor = cell->neighbor(f);
...
}
Best
W.
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