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made x dim periodic

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V. Ferreira
2026-02-24 02:22:18 +01:00
parent 56627b16a8
commit bd514f33ea
1 changed files with 29 additions and 5 deletions
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nufi_poisson.cc
+29 -5
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@@ -5,6 +5,7 @@
#include <deal.II/base/logstream.h> #include <deal.II/base/logstream.h>
#include <deal.II/base/utilities.h> #include <deal.II/base/utilities.h>
#include <deal.II/base/tensor_function.h> #include <deal.II/base/tensor_function.h>
#include <deal.II/base/index_set.h>
#include <deal.II/lac/vector.h> #include <deal.II/lac/vector.h>
#include <deal.II/lac/full_matrix.h> #include <deal.II/lac/full_matrix.h>
@@ -16,6 +17,7 @@
#include <deal.II/grid/tria.h> #include <deal.II/grid/tria.h>
#include <deal.II/grid/grid_generator.h> #include <deal.II/grid/grid_generator.h>
#include <deal.II/grid/grid_tools.h>
#include <deal.II/dofs/dof_handler.h> #include <deal.II/dofs/dof_handler.h>
#include <deal.II/dofs/dof_tools.h> #include <deal.II/dofs/dof_tools.h>
@@ -127,6 +129,7 @@ public:
void set_Nv(unsigned int new_Nv); void set_Nv(unsigned int new_Nv);
private: private:
void create_mesh();
void setup_system(); void setup_system();
void assemble_system(); void assemble_system();
void solve(); void solve();
@@ -147,6 +150,7 @@ private:
unsigned int Nv; unsigned int Nv;
}; };
template <int dim> template <int dim>
void PoissonProblem<dim>::set_Nv(unsigned int new_Nv) void PoissonProblem<dim>::set_Nv(unsigned int new_Nv)
{ {
@@ -161,6 +165,30 @@ PoissonProblem<dim>::PoissonProblem(unsigned int degree, unsigned int Nv)
{} {}
// =-=-=-=-= Make Grid =-=-=-=-=
template<int dim>
void PoissonProblem<dim>::create_mesh()
{
GridGenerator::hyper_cube(triangulation,
X_DOMAIN_LEFT,
X_DOMAIN_RIGHT);
// Make x-dim boundaries periodic
std::vector<GridTools::PeriodicFacePair<
typename Triangulation<dim>::cell_iterator>> periodicity_vector;
GridTools::collect_periodic_faces(triangulation,
0,
1,
0,
periodicity_vector);
triangulation.add_periodicity(periodicity_vector);
triangulation.refine_global(GLOBAL_REFINEMENT);
}
template <int dim> template <int dim>
void PoissonProblem<dim>::setup_system() void PoissonProblem<dim>::setup_system()
{ {
@@ -341,11 +369,7 @@ void PoissonProblem<dim>::output_results() const
template <int dim> template <int dim>
void PoissonProblem<dim>::run() void PoissonProblem<dim>::run()
{ {
GridGenerator::hyper_cube(triangulation, create_mesh();
X_DOMAIN_LEFT,
X_DOMAIN_RIGHT);
triangulation.refine_global(GLOBAL_REFINEMENT);
setup_system(); setup_system();
assemble_system(); assemble_system();