openEMS/FDTD/engine_cylinder.cpp

174 lines
5.9 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/>.
*/
#include "engine_cylinder.h"
Engine_Cylinder* Engine_Cylinder::New(const Operator_Cylinder* op)
{
Engine_Cylinder* e = new Engine_Cylinder(op);
e->Init();
return e;
}
Engine_Cylinder::Engine_Cylinder(const Operator_Cylinder* op) : Engine(op)
{
cyl_Op = op;
if (cyl_Op->GetClosedAlpha())
{
++numLines[1]; //necessary for dobled voltage and current line in alpha-dir, operator will return one smaller for correct post-processing
}
}
inline void Engine_Cylinder::CloseAlphaVoltages()
{
unsigned int pos[3];
// copy voltages from last alpha-plane to first
unsigned int last_A_Line = numLines[1]-1;
for (pos[0]=0;pos[0]<numLines[0];++pos[0])
{
for (pos[2]=0;pos[2]<numLines[2];++pos[2])
{
volt[0][pos[0]][0][pos[2]] = volt[0][pos[0]][last_A_Line][pos[2]];
volt[1][pos[0]][0][pos[2]] = volt[1][pos[0]][last_A_Line][pos[2]];
volt[2][pos[0]][0][pos[2]] = volt[2][pos[0]][last_A_Line][pos[2]];
}
}
}
inline void Engine_Cylinder::CloseAlphaCurrents()
{
unsigned int pos[3];
// copy currents from first alpha-plane to last
for (pos[0]=0;pos[0]<numLines[0]-1;++pos[0])
{
unsigned int last_A_Line = numLines[1]-1;
for (pos[2]=0;pos[2]<numLines[2]-1;++pos[2])
{
curr[0][pos[0]][last_A_Line][pos[2]] = curr[0][pos[0]][0][pos[2]];
curr[1][pos[0]][last_A_Line][pos[2]] = curr[1][pos[0]][0][pos[2]];
curr[2][pos[0]][last_A_Line][pos[2]] = curr[2][pos[0]][0][pos[2]];
}
}
}
bool Engine_Cylinder::IterateTS(unsigned int iterTS)
{
if (cyl_Op->GetClosedAlpha()==false)
return Engine::IterateTS(iterTS);
for (unsigned int iter=0;iter<iterTS;++iter)
{
UpdateVoltages();
ApplyVoltageExcite();
CloseAlphaVoltages();
UpdateCurrents();
ApplyCurrentExcite();
CloseAlphaCurrents();
++numTS;
}
return true;
}
//inline void Engine_Cylinder::UpdateVoltages()
//{
// unsigned int pos[3];
// bool shift[3];
//
// if (cyl_Op->GetClosedAlpha()==false)
// return Engine::UpdateVoltages();
//
// //voltage updates
// for (pos[0]=0;pos[0]<Op->numLines[0];++pos[0])
// {
// shift[0]=pos[0];
// for (pos[1]=1;pos[1]<Op->numLines[1];++pos[1])
// {
// shift[1]=pos[1];
// for (pos[2]=0;pos[2]<Op->numLines[2];++pos[2])
// {
// shift[2]=pos[2];
// //do the updates here
// //for x
// volt[0][pos[0]][pos[1]][pos[2]] *= Op->vv[0][pos[0]][pos[1]][pos[2]];
// volt[0][pos[0]][pos[1]][pos[2]] += Op->vi[0][pos[0]][pos[1]][pos[2]] * ( curr[2][pos[0]][pos[1]][pos[2]] - curr[2][pos[0]][pos[1]-shift[1]][pos[2]] - curr[1][pos[0]][pos[1]][pos[2]] + curr[1][pos[0]][pos[1]][pos[2]-shift[2]]);
//
// //for y
// volt[1][pos[0]][pos[1]][pos[2]] *= Op->vv[1][pos[0]][pos[1]][pos[2]];
// volt[1][pos[0]][pos[1]][pos[2]] += Op->vi[1][pos[0]][pos[1]][pos[2]] * ( curr[0][pos[0]][pos[1]][pos[2]] - curr[0][pos[0]][pos[1]][pos[2]-shift[2]] - curr[2][pos[0]][pos[1]][pos[2]] + curr[2][pos[0]-shift[0]][pos[1]][pos[2]]);
//
// //for z
// volt[2][pos[0]][pos[1]][pos[2]] *= Op->vv[2][pos[0]][pos[1]][pos[2]];
// volt[2][pos[0]][pos[1]][pos[2]] += Op->vi[2][pos[0]][pos[1]][pos[2]] * ( curr[1][pos[0]][pos[1]][pos[2]] - curr[1][pos[0]-shift[0]][pos[1]][pos[2]] - curr[0][pos[0]][pos[1]][pos[2]] + curr[0][pos[0]][pos[1]-shift[1]][pos[2]]);
// }
// }
//
// // copy voltages from last alpha-plane to first
// unsigned int last_A_Line = Op->numLines[1]-1;
// for (pos[2]=0;pos[2]<Op->numLines[2];++pos[2])
// {
// volt[0][pos[0]][0][pos[2]] = volt[0][pos[0]][last_A_Line][pos[2]];
// volt[1][pos[0]][0][pos[2]] = volt[1][pos[0]][last_A_Line][pos[2]];
// volt[2][pos[0]][0][pos[2]] = volt[2][pos[0]][last_A_Line][pos[2]];
// }
//
// }
//}
//
//inline void Engine_Cylinder::UpdateCurrents()
//{
// if (cyl_Op->GetClosedAlpha()==false)
// return Engine::UpdateCurrents();
//
// unsigned int pos[3];
// for (pos[0]=0;pos[0]<Op->numLines[0]-1;++pos[0])
// {
// for (pos[1]=0;pos[1]<Op->numLines[1]-1;++pos[1])
// {
// for (pos[2]=0;pos[2]<Op->numLines[2]-1;++pos[2])
// {
// //do the updates here
// //for x
// curr[0][pos[0]][pos[1]][pos[2]] *= Op->ii[0][pos[0]][pos[1]][pos[2]];
// curr[0][pos[0]][pos[1]][pos[2]] += Op->iv[0][pos[0]][pos[1]][pos[2]] * ( volt[2][pos[0]][pos[1]][pos[2]] - volt[2][pos[0]][pos[1]+1][pos[2]] - volt[1][pos[0]][pos[1]][pos[2]] + volt[1][pos[0]][pos[1]][pos[2]+1]);
//
// //for y
// curr[1][pos[0]][pos[1]][pos[2]] *= Op->ii[1][pos[0]][pos[1]][pos[2]];
// curr[1][pos[0]][pos[1]][pos[2]] += Op->iv[1][pos[0]][pos[1]][pos[2]] * ( volt[0][pos[0]][pos[1]][pos[2]] - volt[0][pos[0]][pos[1]][pos[2]+1] - volt[2][pos[0]][pos[1]][pos[2]] + volt[2][pos[0]+1][pos[1]][pos[2]]);
//
// //for z
// curr[2][pos[0]][pos[1]][pos[2]] *= Op->ii[2][pos[0]][pos[1]][pos[2]];
// curr[2][pos[0]][pos[1]][pos[2]] += Op->iv[2][pos[0]][pos[1]][pos[2]] * ( volt[1][pos[0]][pos[1]][pos[2]] - volt[1][pos[0]+1][pos[1]][pos[2]] - volt[0][pos[0]][pos[1]][pos[2]] + volt[0][pos[0]][pos[1]+1][pos[2]]);
// }
// }
// // copy currents from first alpha-plane to last
// unsigned int last_A_Line = Op->numLines[1]-1;
// for (pos[2]=0;pos[2]<Op->numLines[2]-1;++pos[2])
// {
// curr[0][pos[0]][last_A_Line][pos[2]] = curr[0][pos[0]][0][pos[2]];
// curr[1][pos[0]][last_A_Line][pos[2]] = curr[1][pos[0]][0][pos[2]];
// curr[2][pos[0]][last_A_Line][pos[2]] = curr[2][pos[0]][0][pos[2]];
// }
// }
//}