openEMS/FDTD/operator_ext_mur_abc.h

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/*
* 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_MUR_ABC_H
#define OPERATOR_EXT_MUR_ABC_H
#include "operator.h"
#include "operator_extension.h"
class Operator_Ext_Mur_ABC : public Operator_Extension
{
friend class Engine_Ext_Mur_ABC;
public:
Operator_Ext_Mur_ABC(Operator* op);
~Operator_Ext_Mur_ABC();
Operator_Ext_Mur_ABC(Operator* op, Operator_Ext_Mur_ABC* op_ext);
virtual Operator_Extension* Clone(Operator* op);
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//! Define the direction of this ABC: \a 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);
//! Set (override) the expected phase velocity of the incoming wave
void SetPhaseVelocity(double c_phase) {m_v_phase=c_phase;};
virtual bool BuildExtension();
virtual Engine_Extension* CreateEngineExtention();
virtual bool IsCylinderCoordsSave() const;
virtual bool IsCylindricalMultiGridSave(bool child) const;
virtual string GetExtensionName() const {return string("Mur ABC Extension");}
virtual void ShowStat(ostream &ostr) const;
protected:
void Initialize();
int m_ny;
int m_nyP,m_nyPP;
bool m_top;
unsigned int m_LineNr;
int m_LineNr_Shift;
double m_v_phase;
unsigned int m_numLines[2];
FDTD_FLOAT** m_Mur_Coeff_nyP;
FDTD_FLOAT** m_Mur_Coeff_nyPP;
};
#endif // OPERATOR_EXT_MUR_ABC_H