Dear colleagues,
I am trying to solve my problem with different right_hand_sides.
For each right hand side, we can solve by the codes:
LinearAlgebraPETSc::MPI::Vector
completely_distributed_solution(locally_owned_dofs, mpi_communicator);
SolverControl solver_control;
PETScWrappers::SparseDirectMUMPS solver(solver_control,
mpi_communicator);
solver.solve(system_matrix, completely_distributed_solution,
system_rhs);
constraints.distribute(completely_distributed_solution);
locally_relevant_solution = completely_distributed_solution;
I think I can write the codes to assemble the different right hand sides to
solve the system with the same system matrix.
This give me the different solutions.
However, I do not know if I can sum up all the completely_distributed_solution
from the different right-hand-sides in order to get a vector of solution.
Could you please tell me how to do this?
I would like to thank you very much for your support.
Best regards,
Kien
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