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sim working correctly fully in fem

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Vasco C. B. Ferreira
2026-06-30 10:20:15 +02:00
parent 9f6cca2aa2
commit 96a91c06e9
6 changed files with 30 additions and 13 deletions
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nufi/poisson_problem.h
+20 -5
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@@ -33,11 +33,14 @@
#include <deal.II/fe/fe_values.h>
#include <deal.II/numerics/data_out.h>
#include <deal.II/numerics/fe_field_function.h>
#include <deal.II/numerics/matrix_tools.h>
#include <deal.II/numerics/vector_tools.h>
#include <deal.II/numerics/vector_tools_evaluate.h>
#include <deal.II/numerics/vector_tools_interpolate.h>
#include <deal.II/numerics/vector_tools_point_gradient.h>
#include <deal.II/numerics/vector_tools_point_value.h>
#include <functional>
#include <memory>
#include <string>
@@ -170,14 +173,26 @@ PoissonProblem<dim>::sample_electric_potential(double x_min, double x_max,
}
template <int dim>
double eval_point(const Mapping<dim> &mapping,
const DoFHandler<dim> &dof_handler,
const Vector<double> &solution, const Point<dim> &point) {
return VectorTools::point_value<dim>(mapping, dof_handler, solution, point);
double
eval_point_grad(const Mapping<dim> &mapping, const DoFHandler<dim> &dof_handler,
const Vector<double> &solution, const Point<dim> &point) {
Tensor<1, dim> grad =
VectorTools::point_gradient<dim>(mapping, dof_handler, solution, point);
double Ex = grad[0];
return Ex;
}
// dealii Poisson
template <int dim>
double eval_point_value(const Mapping<dim> &mapping,
const DoFHandler<dim> &dof_handler,
const Vector<double> &solution,
const Point<dim> &point) {
return VectorTools::point_value<dim>(mapping, dof_handler, solution, point);
}
// dealii Poisson
template <int dim> void PoissonProblem<dim>::create_mesh() {
GridGenerator::hyper_cube(triangulation, Parameters::X_DOMAIN_LEFT,