openEMS/Common/processcurrent.cpp

138 lines
4.0 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 "tools/global.h"
#include "processcurrent.h"
#include "FDTD/engine_interface_fdtd.h"
#include <iomanip>
ProcessCurrent::ProcessCurrent(Operator_Base* op) : ProcessIntegral(op)
{
m_TimeShift = op->GetTimestep()/2.0;
m_dualMesh = true;
}
ProcessCurrent::~ProcessCurrent()
{
}
double ProcessCurrent::CalcIntegral()
{
FDTD_FLOAT current=0;
Engine_Interface_FDTD* EI_FDTD = dynamic_cast<Engine_Interface_FDTD*>(m_Eng_Interface);
if (EI_FDTD)
{
const Engine* Eng = EI_FDTD->GetFDTDEngine();
int Dump_Dim = 0;
int NormDir = 0;
for (int n=0;n<3;++n)
{
if (start[n]>stop[n])
{
unsigned int help=start[n];
start[n]=stop[n];
stop[n]=help;
bool b_help=m_start_inside[n];
m_start_inside[n] = m_stop_inside[n];
m_stop_inside[n] = b_help;
}
if (m_stop_inside[n]==false) // integrate up to the wall, Operator::SnapToMesh would give numLines[n]-2
stop[n]=Op->GetNumberOfLines(n)-1;
if (stop[n]>start[n])
++Dump_Dim;
if (stop[n] == start[n])
NormDir = n;
}
if (Dump_Dim!=2)
{
cerr << "ProcessCurrent::Process(): Warning Current Integration Box \"" << m_filename << "\" is not a surface (found dimension: " << Dump_Dim << ") --> i = 0" << endl;
current = 0;
return 0.0;
}
switch (NormDir)
{
case 0:
//y-current
if (m_stop_inside[0] && m_start_inside[2])
for (unsigned int i=start[1]+1;i<=stop[1];++i)
current+=Eng->GetCurr(1,stop[0],i,start[2]);
//z-current
if (m_stop_inside[0] && m_stop_inside[1])
for (unsigned int i=start[2]+1;i<=stop[2];++i)
current+=Eng->GetCurr(2,stop[0],stop[1],i);
//y-current
if (m_start_inside[0] && m_stop_inside[2])
for (unsigned int i=start[1]+1;i<=stop[1];++i)
current-=Eng->GetCurr(1,start[0],i,stop[2]);
//z-current
if (m_start_inside[0] && m_start_inside[1])
for (unsigned int i=start[2]+1;i<=stop[2];++i)
current-=Eng->GetCurr(2,start[0],start[1],i);
break;
case 1:
//z-current
if (m_start_inside[0] && m_start_inside[1])
for (unsigned int i=start[2]+1;i<=stop[2];++i)
current+=Eng->GetCurr(2,start[0],start[1],i);
//x-current
if (m_stop_inside[1] && m_stop_inside[2])
for (unsigned int i=start[0]+1;i<=stop[0];++i)
current+=Eng->GetCurr(0,i,stop[1],stop[2]);
//z-current
if (m_stop_inside[0] && m_stop_inside[1])
for (unsigned int i=start[2]+1;i<=stop[2];++i)
current-=Eng->GetCurr(2,stop[0],stop[1],i);
//x-current
if (m_start_inside[1] && m_start_inside[2])
for (unsigned int i=start[0]+1;i<=stop[0];++i)
current-=Eng->GetCurr(0,i,start[1],start[2]);
break;
case 2:
//x-current
if (m_start_inside[1] && m_start_inside[2])
for (unsigned int i=start[0]+1;i<=stop[0];++i)
current+=Eng->GetCurr(0,i,start[1],start[2]);
//y-current
if (m_stop_inside[0] && m_start_inside[2])
for (unsigned int i=start[1]+1;i<=stop[1];++i)
current+=Eng->GetCurr(1,stop[0],i,start[2]);
//x-current
if (m_stop_inside[1] && m_stop_inside[2])
for (unsigned int i=start[0]+1;i<=stop[0];++i)
current-=Eng->GetCurr(0,i,stop[1],stop[2]);
//y-current
if (m_start_inside[0] && m_stop_inside[2])
for (unsigned int i=start[1]+1;i<=stop[1];++i)
current-=Eng->GetCurr(1,start[0],i,stop[2]);
break;
default:
//this cannot happen...
return 0.0;
break;
}
}
return current;
}