On 2/24/23 04:37, 'yy.wayne' via deal.II User Group wrote:
However another problem pops out. When test a vector-valued problem, renumber
DoFs
component wise make reinit of vectors fail. If DoFRenumbering::component_wise
is called,
1. LinearAlgebra::distributed::Vector<double>
v1(dof_handler.locally_owned_dofs(), mpi_communicator);
v1.reinit(dof_handler.locally_owned_dofs(), mpi_communicator);
Success
2. LinearAlgebra::distributed::Vector<double> v2;
v2.reinit(dof_handler.locally_owned_dofs(), mpi_communicator);
Fails.
Is that relates to trilinos date type?
If you do not arrange the different components of a vector-valued finite
element into a block vector (i.e., if you use a single vector for all
components of the solution), then there is no need to call
DoFRenumbering::component_wise().
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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