openEMS/FDTD/operator_ext_pml_sf.h

115 lines
4.2 KiB
C++

/*
* Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef OPERATOR_EXT_PML_SF_H
#define OPERATOR_EXT_PML_SF_H
#include "operator.h"
#include "operator_extension.h"
//! Insert split field pml planes, edges and corner as necessary by the given boundary conditions
bool Build_Split_Field_PML(Operator* op, int BC[6]);
//! This is the abstract operator extension for truncating the FDTD domain with a split field pml
class Operator_Ext_PML_SF : public Operator_Extension
{
friend class Engine_Ext_PML_SF;
friend class Engine_Ext_PML_SF_Plane;
public:
~Operator_Ext_PML_SF();
virtual void SetBoundaryCondition(int* BCs) {for (int n=0;n<6;++n) m_BC[n]=BCs[n];}
inline virtual FDTD_FLOAT& GetVV(unsigned int nP, unsigned int n, unsigned int x, unsigned int y, unsigned int z ) const { return vv[nP][n][x][y][z]; }
inline virtual FDTD_FLOAT& GetVI(unsigned int nP, unsigned int n, unsigned int x, unsigned int y, unsigned int z ) const { return vi[nP][n][x][y][z]; }
inline virtual FDTD_FLOAT& GetII(unsigned int nP, unsigned int n, unsigned int x, unsigned int y, unsigned int z ) const { return ii[nP][n][x][y][z]; }
inline virtual FDTD_FLOAT& GetIV(unsigned int nP, unsigned int n, unsigned int x, unsigned int y, unsigned int z ) const { return iv[nP][n][x][y][z]; }
virtual double GetNodeArea(int ny, unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
virtual double GetNodeLength(int ny, unsigned int pos[3], bool dualMesh = false) const {UNUSED(ny);UNUSED(pos);UNUSED(dualMesh);return 0.0;}
//! This will resturn the pml parameter grading
virtual double GetKappaGraded(double depth) const {UNUSED(depth);return 0.0;}
virtual bool BuildExtension();
virtual string GetExtensionName() const {return string("Split Field PML Extension");}
// virtual void ShowStat(ostream &ostr) const;
protected:
Operator_Ext_PML_SF(Operator* op);
virtual void ApplyBC() {};
virtual bool Calc_ECPos(int nP, int n, unsigned int* pos, double* inEC) const {UNUSED(n);UNUSED(nP);UNUSED(pos);UNUSED(inEC);return true;};
unsigned int m_numLines[3];
bool m_SetupDone;
int m_BC[6];
void InitOP();
void DeleteOP();
//split field EC operator
//the first array-index is the splitted field part
FDTD_FLOAT**** vv[2]; //calc new voltage from old voltage
FDTD_FLOAT**** vi[2]; //calc new voltage from old current
FDTD_FLOAT**** ii[2]; //calc new current from old current
FDTD_FLOAT**** iv[2]; //calc new current from old voltage
};
//! This is an operator extension for truncating the FDTD domain with a split field pml plane
class Operator_Ext_PML_SF_Plane : public Operator_Ext_PML_SF
{
friend class Engine_Ext_PML_SF_Plane;
public:
Operator_Ext_PML_SF_Plane(Operator* op);
~Operator_Ext_PML_SF_Plane();
//! Define the direction of this PML plane: ny=0,1,2 -> x,y,z and if at bottom_ny -> e.g. x=0 or x=end
void SetDirection(int ny, bool top_ny);
void SetPMLLength(int width);
virtual double GetNodeArea(int ny, unsigned int pos[3], bool dualMesh = false) const;
virtual double GetNodeLength(int ny, unsigned int pos[3], bool dualMesh = false) const;
virtual double GetKappaGraded(double depth) const;
virtual bool Calc_ECPos(int nP, int n, unsigned int* pos, double* inEC) const;
virtual Engine_Extension* CreateEngineExtention();
virtual bool IsCylinderCoordsSave() const;
virtual string GetExtensionName() const {return string("Split Field PML Plane Extension");}
virtual void ShowStat(ostream &ostr) const;
protected:
virtual void ApplyBC();
int m_ny,m_nyP,m_nyPP;
bool m_top;
unsigned int m_LineNr;
double m_pml_delta;
double m_pml_width;
};
#endif // OPERATOR_EXT_PML_SF_H