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update on poisson :: refine

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Vasco C. B. Ferreira
2026-07-08 11:11:35 +02:00
parent 0ce81fe849
commit cc7cf49a55
2 changed files with 20 additions and 9 deletions
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nufi/poisson_problem.h
+20 -8
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@@ -369,8 +369,14 @@ template <int dim> void PoissonProblem<dim>::assemble_system() {
}
}
template <int dim> void PoissonProblem<dim>::coarse_and_refine_grid() {
template <int dim>
void PoissonProblem<dim>::coarse_and_refine_grid(
std::vector<Vector<double>> &solution_history) {
// Add refinement and coasring algorithm here
//======//======//
// CHECK step-15.
//======//======//
Vector<float> error_per_cell(triangulation.n_active_cells());
KellyErrorEstimator<dim>::estimate(
@@ -384,15 +390,21 @@ template <int dim> void PoissonProblem<dim>::coarse_and_refine_grid() {
triangulation.prepare_coarsening_and_refinement();
// solution tranafer
// old solutions transfer
const size_t N_sols = solution_history.size();
// setup_system
SolutionTransfer<dim, Vector<double>> transfer(dof_handler);
transfer.prepare_for_coarsening_and_refinement(solution_history);
// solution_transfer interpolate
// non_zero_constraint.distribute(current solution)
//
//======//======//
// CHECK step-15.
triangulation.execute_coarsening_and_refinement();
setup_system();
transfer.interpolate(solution_history);
solution = solution_history.back();
constraints.distribute(solution);
// rebuild cells with the grid
cell_locator.rebuild(dof_handler, triangulation);