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EMSolver.hpp
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EMSolver.hpp
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#ifndef __EMSolver_hpp__
#define __EMSolver_hpp__
#if !defined(USINGMKL)
extern "C" int dgetrf_(int *m, int *n, double *a, int *lda, int *ipiv, int *info);
extern "C" int dgetrs_(char *trans, int *n, int *m, double *a, int *lda, int *ipiv, double *b, int *ldb, int *info);
#endif
class EMFieldSolver {
Settings &settings;
#if defined(USINGMKL)
lapack_int *IPIV;
#else
int *IPIV;
#endif
int n_prepad, n_postpad;
unsigned int x_size;
std::vector<std::shared_ptr<Mesh>> meshes;
std::vector<std::unique_ptr<std::ofstream>> energyStreams;
std::ofstream *chargeStream, *ELongStream, *ETransStream, *potentialStream, *BStream, *AsqStream, *timeStream;
std::vector<double> charge, J, By, Bz, Ey, Ez, Ay, Az, a_squared, neutralizationCharge;
std::vector<std::vector<double>> charges, energies;
double *PHI, *pM, fieldCoef, Ex0;
public:
EMFieldSolver(Settings &settings, const std::vector<std::shared_ptr<Mesh> > &meshes);
~EMFieldSolver();
void AssembleRhoAndJ();
void AssembleEnergy();
double GetASquared(int i);
double GetEfield(int i);
void DumpCharge();
void DumpEnergy();
void DumpEFieldLongitudinal();
void DumpEFieldTransverse();
void DumpPotential();
void DumpBFieldTransverse();
void DumpAsqField();
void DumpTime(double time);
void UpdatePotential();
void RGKStep(int step, double timestep);
void RGKCalculateRHS(int step);
void RGKUpdateIntermediateSolution(int step, double timestep);
inline int Index(int i, int step);
void InterpolateToFaces();
void EnforceChargeNeutralization();
inline double GetCellAverageASquared(int i);
double EstimateCFLBound();
double GetMagneticForce(int i);
};
inline int EMFieldSolver::Index(int i, int step) {
return step * (x_size + n_prepad + n_postpad) + i;
}
inline double EMFieldSolver::GetCellAverageASquared(int i) {
i += n_prepad;
i = i > -1 ? i : 0;
i = i < ((int)x_size + n_prepad + n_postpad) ? i : ((int)x_size + n_prepad + n_postpad - 1);
double ay = Ay[Index(i, 1)], az = Az[Index(i, 1)];
return (ay * ay) + (az * az);
}
#endif /* __EMSolver_hpp__ */