vcbferreira/NuFI_deal.ii
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problem identified, ready to converge all branches

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Vasco C. B. Ferreira
2026-03-21 10:20:08 +01:00
parent 986e5e19fb
commit d87058f9b5
6 changed files with 31 additions and 21 deletions
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src/nufi_solver.cc
+10 -21
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@@ -28,7 +28,7 @@ double NuFISolver::eval_ftilda(unsigned int n,
if ( n == 0 ) return f0(x,u);
const size_t stride_x = 1;
const size_t stride_t = stride_x*(Parameters::SPLINE_NX + Parameters::SPLINE_ORDER - 1);
const size_t stride_t = stride_x*(Nx + Parameters::SPLINE_ORDER - 1);
double Ex;
const double *c;
@@ -81,7 +81,7 @@ void NuFISolver::run()
if ( rho == nullptr ) throw std::bad_alloc {};
Gradient grad(Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT, Parameters::SPLINE_NX);
Gradient grad(x_min, x_max, Nx);
for (unsigned int it = 0; it < Nt; ++it)
{
@@ -99,28 +99,17 @@ void NuFISolver::run()
rho.get()[i] = ith_rho;
}
poisson.set_rhs_function(std::make_unique<ChargeDensity_NuFI<1>>(rho.get(), Parameters::SPLINE_NX));
poisson.set_rhs_function(std::make_unique<ChargeDensity_NuFI<1>>(rho.get(), Nx));
poisson.solve_step();
// std::vector<double> sampled_potential = poisson.sample_electric_potential(Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT, Parameters::SPLINE_NX);
std::vector<double> sampled_potential = poisson.sample_electric_potential(x_min, x_max, Nx);
// sampled_potential.erase(sampled_potential.begin());
// sampled_potential.erase(sampled_potential.end()-1);
//
// std::ofstream file("results/potential_" + std::to_string(it) + ".dat");
// file << sampled_potential.size() << "\n";
// file << Parameters::X_DOMAIN_LEFT << " " << Parameters::X_DOMAIN_RIGHT << "\n";
// file << std::fixed << std::setprecision(8);
// for (double val : sampled_potential) file << val << "\n";
//
//
// std::vector<double> E_vals = grad.compute(sampled_potential);
std::vector<double> E_vals = poisson.sample_electric_field(Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT,Parameters::SPLINE_NX);
std::ofstream file("results/potential_" + std::to_string(it) + ".dat");
file << E_vals.size() << "\n";
file << Parameters::X_DOMAIN_LEFT << " " << Parameters::X_DOMAIN_RIGHT << "\n";
file << std::fixed << std::setprecision(8);
for (double val : E_vals) file << val << "\n";
save_space_vector(sampled_potential, "potential", it);
std::vector<double> E_vals = grad.compute(sampled_potential);
// std::vector<double> E_vals = poisson.sample_electric_field(x_min, x_max, Nx);
save_space_vector(E_vals, "electric", it);
double* current_coeffs = coeffs.get() + it*stride_t;
interpolate<double, Parameters::SPLINE_ORDER>(current_coeffs, E_vals.data());