field history added

nufi/nufi_solver.h

@@ -5,7 +5,7 @@
 #include <cmath>
 #include <deal.II/base/point.h>
 #include <deal.II/base/tensor.h>
-#include <deal.II/numerics/fe_field_function.h>
+#include <deal.II/numerics/vector_tools.h>
 #include <vector>
 
 #include "nufi/fields.h" //dont remove
@@ -19,9 +19,10 @@ public:
   NuFISolver();
 
   void run();
-  double eval_rho(unsigned int n, double x, const PoissonProblem<1> &poisson,
+  double eval_rho(unsigned int n, const double x,
+                  const PoissonProblem<1> &poisson,
                   const std::vector<Vector<double>> &phi_history,
-                  unsigned int Nv = Parameters::NV) const;
+                  const 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;
@@ -44,32 +45,4 @@ private:
 
   PoissonProblem<1> poisson;
 };
-
-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];
-
-    // 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));
-
-    // periodic wrap
-    i = (i % Nx + Nx) % Nx;
-
-    return rho[i];
-  }
-
-private:
-  const double *rho;
-  const unsigned int Nx;
-};
-
 #endif