On 2/5/21 4:07 PM, Daniel Arndt wrote:
I have checked the interfaces I used (multigrid, matrix, vectors, ...). It
seems that by using separate DoFHandlers, one for the velocity and one for the
pressure component, I could come up with the very same block structure.
However, I could not find any make_sparsity_pattern() variants for rectangular
matrices using different DoFHandlers for the domain and range, neither in
MGTools nor in DoFTools. Are there any predefined?
There is
void
make_sparsity_pattern(const DoFHandler<dim, spacedim> &dof_row,
const DoFHandler<dim, spacedim> &dof_col,
SparsityPatternType & sparsity);
in namespace DoFTools.
Best
W.
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Wolfgang Bangerth email: [email protected]
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