mirror of
https://codeberg.org/vcbferreira/NuFI_deal.ii
synced 2026-08-12 14:33:18 +02:00
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#ifndef PARAMETERS_H
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#define PARAMETERS_H
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#include <cmath>
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#include <cstddef>
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#include <cstdlib>
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#include <string>
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namespace Parameters {
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constexpr unsigned int DIMENSION = 1;
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constexpr double X_DOMAIN_LEFT = 0.0;
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constexpr double X_DOMAIN_RIGHT = 4 * M_PI;
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constexpr double LX = std::abs(X_DOMAIN_RIGHT - X_DOMAIN_LEFT);
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constexpr double LX_INV = 1 / LX;
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constexpr double V_DOMAIN_LEFT = -10.;
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constexpr double V_DOMAIN_RIGHT = 10.;
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constexpr unsigned int NV = 256;
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constexpr double DV = std::abs(V_DOMAIN_RIGHT - V_DOMAIN_LEFT) / NV;
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// f0_TYPE:
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// 0 -> twos-stream
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// 1 -> landau-damping
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// 2 -> maxwellian
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// 3 -> bump-on-tail
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constexpr size_t f0_TYPE = 1;
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// deal.ii options
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constexpr unsigned int GLOBAL_REFINEMENT = 8;
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constexpr unsigned int FE_DEGREE = 3;
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constexpr unsigned int CONVERGENCE_ITERATIONS = 10000;
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constexpr double CONVERGENCE_LIMIT = 1e-8;
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// Adaptive refinement options
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constexpr unsigned int REFINE_FREQUENCY = 50;
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constexpr double REFINEMENT_TOP_FRACTION = 0.8;
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constexpr double REFINEMENT_BOTTOM_FRACTION = 0.1;
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// Gauge options
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constexpr double GAUGE_DOMAIN_LEFT = 3.2;
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constexpr double GAUGE_DOMAIN_RIGHT = 3.8;
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constexpr double EPS = 0.01;
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constexpr double WAVE_NR = 0.5;
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constexpr double F0_FACTOR = 0.39894228040143267793994; // 1/sqrt(2pi)
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// NUFI options
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constexpr double DT = 1. / 10.;
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constexpr unsigned int TMAX = 100;
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// Plotting options
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constexpr int PLOT_FREQUENCY = 10;
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constexpr size_t PLOT_NX = 512;
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constexpr double PLOT_DX = LX / PLOT_NX;
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const std::string PLOT_DIR = "results/";
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} // namespace Parameters
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#endif
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