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- #ifndef RICHARDS_HPP
- #define RICHARDS_HPP
- #include <iostream>
- #include <limits>
- #include <cassert>
- #include "physics.hpp"
- #include "math/algo.hpp"
- #include "debug.hpp"
- using namespace std;
- namespace Kernel{
- class Richards{
- private:
- static constexpr size_t max_iterations_Richards=50;
- static constexpr double tolerence_Richards=1e-10;
- double* sup_A;
- double* diag_A;
- double* sub_A;
- double* sup_B;
- double* diag_B;
- double* sub_B;
- double* sup_C;
- double* diag_C;
- double* sub_C;
- double* F;
- double* G;
- double* S;
- double* H;
- double* R;
- double* I;
- double* BB;
- size_t ix;
- size_t nZ;
- double dZ;
- double norm_previous_P;
- bool weighted_run(double w);
- void solve_system();
- double* temp_P[2];
- double* in_P;
- double* out_P;
- public:
- double dt;
- double flux_bot;
- double* div_w;
- double* near_P; //for Newton algorithm
- double* previous_P; //previous relatively to n2
- double* P;
- bool has_converged;
- Richards();
- void init(size_t ix,size_t nZ,double dZ);
- void run();
- };
- }
- #endif
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