fdtd_1d.h

利用c++语言写的三维FDTD

// fdtd_1D.h: long erface for the fdtd_1D class.
//
//////////////////////////////////////////////////////////////////////
#pragma once

#ifndef NULL
	#define NULL 0
#endif

class CFDTD_1D_EzHx
{
private:
	double pi, eps_0, mu_0;
	
	long  ny, nyMIN1, nyMIN2; //Dimension of the simulation space
	double *Ez_1D, *Hx_1D;

	double E0, omega, phi, t0, tw;
	double alfa, twORtw;

	long  Source_Type; //1-Sin 2-Gauss 3-SinGauss

	//parameters of the boundary condition and materials
	double K_M_1, K_M_2, Ca, Cb, Db;
	double Ez_n_1[2];
	double Ez_n[2];

public:
	CFDTD_1D_EzHx();
	virtual ~CFDTD_1D_EzHx();
	
	bool Init(long  n_y, double dt, double dy, double eps_r, double mu_r, double sigma);
	
	void Init_Sin_Source(double E_0, double om, double Phi);
	void Init_Gauss_Source(double E_0, double t_0, double t_w);
	void Init_GaussSin(double E_0, double om, double Phi, double t_0, double t_w);

	void calc_Hx_1D();
	void calc_Ez_1D(double time);

	void Reset_Field_Comp(void);

	void Get_Data(double *&X, double *&Y);

	void Source(double t);

	int Save_FDTD_1D_Workspace(char *path);
	int Load_FDTD_1D_Workspace(char *path);
	
	void Free_Mem();
};