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corrected saving and eval of fields over time

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This commit is contained in:
Vasco C. B. Ferreira
2026-06-26 11:40:10 +02:00
parent 26d0637987
commit 006bd19fe2
10 changed files with 373 additions and 403 deletions
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nufi/nufi_solver.h
+31 -31
View File
@@ -2,32 +2,35 @@
#define NUFI_SOLVER_H
#include <boost/qvm/mat_access.hpp>
#include <vector>
#include <cmath>
#include <deal.II/base/point.h>
#include <deal.II/base/tensor.h>
#include <deal.II/numerics/fe_field_function.h>
#include <vector>
#include "nufi/fields.h" //dont remove
#include "nufi/parameters.h"
#include "nufi/poisson_problem.h"
#include "nufi/fields.h" //dont remove
using namespace dealii;
class NuFISolver
{
class NuFISolver {
public:
NuFISolver();
void run();
double eval_rho(unsigned int n, double x, const PoissonProblem<1> &poisson, unsigned int Nv = Parameters::NV) const;
double eval_ftilda(unsigned int n, double x, double u, const PoissonProblem<1> &poisson) const;
double eval_f(unsigned int n, double x, double u, const PoissonProblem<1> &poisson) const;
double eval_rho(unsigned int n, double x, const PoissonProblem<1> &poisson,
const std::vector<Vector<double>> &phi_history,
unsigned int Nv = Parameters::NV) const;
double eval_ftilda(unsigned int n, double x, double u,
const PoissonProblem<1> &poisson,
const std::vector<Vector<double>> &phi_history) const;
double eval_f(unsigned int n, double x, double u,
const PoissonProblem<1> &poisson,
const std::vector<Vector<double>> &phi_history) const;
private:
unsigned int Nt = std::floor(Parameters::TMAX/Parameters::DT);
unsigned int Nt = std::floor(Parameters::TMAX / Parameters::DT);
unsigned int Nx = Parameters::CALC_NX;
double Lx = Parameters::LX;
@@ -40,36 +43,33 @@ private:
unsigned int order;
PoissonProblem<1> poisson;
};
template<unsigned int dim>
class ChargeDensity_NuFI : public Function<dim>
{
public:
ChargeDensity_NuFI(const double *rho_values, unsigned int Nx)
template <unsigned int dim> class ChargeDensity_NuFI : public Function<dim> {
public:
ChargeDensity_NuFI(const double *rho_values, unsigned int Nx)
: Function<dim>(), rho(rho_values), Nx(Nx) {}
virtual double value(const Point<dim> &p,
[[maybe_unused]] const unsigned int component = 0) const override
{
const double x = p[0];
virtual double
value(const Point<dim> &p,
[[maybe_unused]] const unsigned int component = 0) const override {
const double x = p[0];
// Map x -> grid index
const double L = Parameters::LX;
const double dx = L / (Nx-1);
// Map x -> grid index
const double L = Parameters::LX;
const double dx = L / (Nx - 1);
int i = static_cast<int>(std::floor((x - Parameters::X_DOMAIN_LEFT) / dx));
int i = static_cast<int>(std::floor((x - Parameters::X_DOMAIN_LEFT) / dx));
// periodic wrap
i = (i % Nx + Nx) % Nx;
// periodic wrap
i = (i % Nx + Nx) % Nx;
return rho[i];
}
return rho[i];
}
private:
const double *rho;
const unsigned int Nx;
private:
const double *rho;
const unsigned int Nx;
};
#endif