vcbferreira/NuFI_deal.ii
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grad with deal might be ok, field interpolation and eval might be whats wrong

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Vasco C. B. Ferreira
2026-03-21 00:36:14 +01:00
parent f362a2bfa0
commit 986e5e19fb
5 changed files with 116 additions and 21 deletions
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src/nufi_solver.cc
+21 -1
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@@ -81,6 +81,8 @@ void NuFISolver::run()
if ( rho == nullptr ) throw std::bad_alloc {};
Gradient grad(Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT, Parameters::SPLINE_NX);
for (unsigned int it = 0; it < Nt; ++it)
{
std::cout << "Timestep " << it << " / " << Nt << std::endl << std::endl;
@@ -100,7 +102,25 @@ void NuFISolver::run()
poisson.set_rhs_function(std::make_unique<ChargeDensity_NuFI<1>>(rho.get(), Parameters::SPLINE_NX));
poisson.solve_step();
std::vector<double> E_vals = poisson.sample_electric_field(Parameters::SPLINE_NX, Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT);
// std::vector<double> sampled_potential = poisson.sample_electric_potential(Parameters::X_DOMAIN_LEFT, Parameters::X_DOMAIN_RIGHT, Parameters::SPLINE_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";
double* current_coeffs = coeffs.get() + it*stride_t;
interpolate<double, Parameters::SPLINE_ORDER>(current_coeffs, E_vals.data());