vcbferreira/NuFI_deal.ii
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refinment working with history of grids

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This commit is contained in:
Vasco C. B. Ferreira
2026-07-21 22:58:39 +02:00
parent dfadd4766f
commit 9cbd3e71e7
11 changed files with 125 additions and 210 deletions
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src/nufi_solver.cc
+9 -18
View File
@@ -27,7 +27,7 @@
using namespace dealii;
std::vector<double> NuFISolver::eval_ftilda(
unsigned int n, std::vector<double> &X, double u,
unsigned int n, std::vector<double> X, double u,
const std::vector<GridStructure<1>> &grid_struct,
const std::vector<SolutionSnapshot<1>> &phi_history) const {
@@ -38,7 +38,7 @@ std::vector<double> NuFISolver::eval_ftilda(
if (n == 0) {
for (size_t i = 0; i < x_size; ++i)
results[i] = f0(X[i], U[i]);
reset_x_eval(X);
// reset_x_eval(X);
return results;
}
@@ -86,12 +86,12 @@ std::vector<double> NuFISolver::eval_ftilda(
}
for (size_t i = 0; i < x_size; ++i)
results[i] = f0(X[i], U[i]);
reset_x_eval(X);
// reset_x_eval(X);
return results;
}
std::vector<double>
NuFISolver::eval_f(unsigned int n, std::vector<double> &X, double u,
NuFISolver::eval_f(unsigned int n, std::vector<double> X, double u,
const std::vector<GridStructure<1>> &grid_struct,
const std::vector<SolutionSnapshot<1>> &phi_history) const {
@@ -102,7 +102,7 @@ NuFISolver::eval_f(unsigned int n, std::vector<double> &X, double u,
if (n == 0) {
for (size_t i = 0; i < x_size; ++i)
results[i] = f0(X[i], U[i]);
reset_x_eval(X);
// reset_x_eval(X);
return results;
}
@@ -142,7 +142,7 @@ NuFISolver::eval_f(unsigned int n, std::vector<double> &X, double u,
for (size_t i = 0; i < x_size; ++i)
results[i] = f0(X[i], U[i]);
reset_x_eval(X);
// reset_x_eval(X);
return results;
}
@@ -243,8 +243,8 @@ void NuFISolver::run() {
<< std::endl;
// START: diagnostics
std::cout << "cells = " << poisson.triangulation.n_active_cells() << "\n"
<< " dofs = " << poisson.dof_handler.n_dofs() << "\n";
// std::cout << "cells = " << poisson.triangulation.n_active_cells() << "\n"
// << " dofs = " << poisson.dof_handler.n_dofs() << "\n";
// double min_h = 1e100;
// double max_h = 0;
//
@@ -311,16 +311,7 @@ void NuFISolver::run() {
save_rho(*this, it, grid_versions, phi_history, Parameters::PLOT_NX,
"results/rho_" + std::to_string(it) + ".dat");
// std::vector<double> x_eval_Ex = make_x_eval(Parameters::PLOT_NX);
// std::vector<double> tmp_Ex(x_eval_Ex.size());
// tmp_Ex = eval(x_eval_Ex, grid_versions[phi_history[it].grid_version],
// phi_history[it].solution);
//
// std::vector<double> E_x(Parameters::PLOT_NX);
// for (size_t i = 0; i < Parameters::PLOT_NX; ++i)
// E_x[i] = -tmp_Ex[i];
// save_space_vector(E_x, "field", it);
save_Efield_new(it, grid_versions, phi_history);
save_Efield(it, grid_versions, phi_history);
double int_val = 0.5 * integral_space_vector_squared(
grid_versions[phi_history[it].grid_version],
src/save_results.cc
+4 -28
View File
@@ -72,10 +72,9 @@ void save_rho(const NuFISolver &solver, unsigned int n,
file.close();
}
void save_Efield_new(unsigned int it,
std::vector<GridStructure<1>> &grid_versions,
std::vector<SolutionSnapshot<1>> &phi_history,
unsigned int Nx_out) {
void save_Efield(unsigned int it, std::vector<GridStructure<1>> &grid_versions,
std::vector<SolutionSnapshot<1>> &phi_history,
unsigned int Nx_out) {
std::vector<double> x_eval_E = make_x_eval(Nx_out);
auto grad_phi = eval(x_eval_E, grid_versions[phi_history[it].grid_version],
@@ -96,34 +95,11 @@ void save_Efield_new(unsigned int it,
E_file << x << " " << E << "\n";
std::cout << "Saving iteration " << it << " using grid version "
<< phi_history[it].grid_version << "\n";
<< phi_history[it].grid_version << "\n\n";
E_file.close();
}
void save_Efield([[maybe_unused]] unsigned int n, GridStructure<1> &grid_struct,
std::vector<SolutionSnapshot<1>> &phi_history,
unsigned int Nx_out, const std::string &filename) {
std::ofstream file(filename);
double xmin = Parameters::X_DOMAIN_LEFT;
double xmax = Parameters::X_DOMAIN_RIGHT;
std::vector<double> x_eval = make_x_eval(Nx_out);
// select from E_coeffs
file << Nx_out << "\n";
file << xmin << " " << xmax << "\n";
std::vector<double> tmp = eval(x_eval, grid_struct, phi_history[n].solution);
for (size_t i = 0; i < Nx_out; ++i) {
file << -tmp[i];
file << "\n";
}
file.close();
}
void save_space_vector(const std::vector<double> &vals,
const std::string &filename, size_t it) {
std::ofstream file("results/" + filename + "_" + std::to_string(it) + ".dat");