216 lines
7.2 KiB
C++
216 lines
7.2 KiB
C++
/*
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* Copyright (C) 2012 Thorsten Liebig (Thorsten.Liebig@gmx.de)
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "engine_ext_tfsf.h"
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#include "operator_ext_tfsf.h"
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#include "FDTD/engine_sse.h"
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Engine_Ext_TFSF::Engine_Ext_TFSF(Operator_Ext_TFSF* op_ext) : Engine_Extension(op_ext)
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{
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m_Op_TFSF = op_ext;
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m_Priority = ENG_EXT_PRIO_TFSF;
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m_DelayLookup = new unsigned int[m_Op_TFSF->m_maxDelay+1];
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}
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Engine_Ext_TFSF::~Engine_Ext_TFSF()
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{
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delete[] m_DelayLookup;
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m_DelayLookup = NULL;
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}
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void Engine_Ext_TFSF::DoPostVoltageUpdates()
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{
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unsigned int numTS = m_Eng->GetNumberOfTimesteps();
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unsigned int length = m_Op_TFSF->m_Exc->GetLength();
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int p = int(m_Op_TFSF->m_Exc->GetSignalPeriod()/m_Op_TFSF->m_Exc->GetTimestep());
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for (unsigned int n=0;n<=m_Op_TFSF->m_maxDelay;++n)
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{
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if ( numTS < n )
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m_DelayLookup[n]=0;
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else if ((numTS-n > length) && (p==0))
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m_DelayLookup[n]=0;
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else
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m_DelayLookup[n] = numTS - n;
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if (p>0)
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m_DelayLookup[n] = (m_DelayLookup[n] % p);
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}
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//get the current signal since an H-field is added ...
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FDTD_FLOAT* signal = m_Op_TFSF->m_Exc->GetCurrentSignal();
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int nP,nPP;
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unsigned int ui_pos;
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unsigned int pos[3];
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for (int n=0;n<3;++n)
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{
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nP = (n+1)%3;
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nPP = (n+2)%3;
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// lower plane
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pos[nP] = m_Op_TFSF->m_Start[nP];
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ui_pos = 0;
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if (m_Op_TFSF->m_ActiveDir[n][0])
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{
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for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
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{
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pos[nPP] = m_Op_TFSF->m_Start[nPP];
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for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
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{
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// current updates
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pos[n] = m_Op_TFSF->m_Start[n];
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m_Eng->SetVolt(nP,pos, m_Eng->GetVolt(nP,pos)
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+ (1.0-m_Op_TFSF->m_VoltDelayDelta[n][0][0][ui_pos])*m_Op_TFSF->m_VoltAmp[n][0][0][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_VoltDelay[n][0][0][ui_pos]]]
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+ m_Op_TFSF->m_VoltDelayDelta[n][0][0][ui_pos] *m_Op_TFSF->m_VoltAmp[n][0][0][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_VoltDelay[n][0][0][ui_pos]]] );
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m_Eng->SetVolt(nPP,pos, m_Eng->GetVolt(nPP,pos)
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+ (1.0-m_Op_TFSF->m_VoltDelayDelta[n][0][1][ui_pos])*m_Op_TFSF->m_VoltAmp[n][0][1][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_VoltDelay[n][0][1][ui_pos]]]
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+ m_Op_TFSF->m_VoltDelayDelta[n][0][1][ui_pos] *m_Op_TFSF->m_VoltAmp[n][0][1][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_VoltDelay[n][0][1][ui_pos]]] );
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++pos[nPP];
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++ui_pos;
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}
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++pos[nP];
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}
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}
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// upper plane
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pos[nP] = m_Op_TFSF->m_Start[nP];
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ui_pos = 0;
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if (m_Op_TFSF->m_ActiveDir[n][1])
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{
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for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
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{
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pos[nPP] = m_Op_TFSF->m_Start[nPP];
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for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
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{
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// current updates
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pos[n] = m_Op_TFSF->m_Stop[n];
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m_Eng->SetVolt(nP,pos, m_Eng->GetVolt(nP,pos)
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+ (1.0-m_Op_TFSF->m_VoltDelayDelta[n][1][0][ui_pos])*m_Op_TFSF->m_VoltAmp[n][1][0][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_VoltDelay[n][1][0][ui_pos]]]
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+ m_Op_TFSF->m_VoltDelayDelta[n][1][0][ui_pos] *m_Op_TFSF->m_VoltAmp[n][1][0][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_VoltDelay[n][1][0][ui_pos]]] );
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m_Eng->SetVolt(nPP,pos, m_Eng->GetVolt(nPP,pos)
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+ (1.0-m_Op_TFSF->m_VoltDelayDelta[n][1][1][ui_pos])*m_Op_TFSF->m_VoltAmp[n][1][1][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_VoltDelay[n][1][1][ui_pos]]]
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+ m_Op_TFSF->m_VoltDelayDelta[n][1][1][ui_pos] *m_Op_TFSF->m_VoltAmp[n][1][1][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_VoltDelay[n][1][1][ui_pos]]] );
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++pos[nPP];
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++ui_pos;
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}
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++pos[nP];
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}
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}
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}
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}
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void Engine_Ext_TFSF::DoPostCurrentUpdates()
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{
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unsigned int numTS = m_Eng->GetNumberOfTimesteps();
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unsigned int length = m_Op_TFSF->m_Exc->GetLength();
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int p = int(m_Op_TFSF->m_Exc->GetSignalPeriod()/m_Op_TFSF->m_Exc->GetTimestep());
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for (unsigned int n=0;n<m_Op_TFSF->m_maxDelay;++n)
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{
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if ( numTS < n )
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m_DelayLookup[n]=0;
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else if ((numTS-n > length) && (p==0))
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m_DelayLookup[n]=0;
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else
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m_DelayLookup[n] = numTS - n;
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if (p>0)
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m_DelayLookup[n] = (m_DelayLookup[n] % p);
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}
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//get the current signal since an E-field is added ...
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FDTD_FLOAT* signal = m_Op_TFSF->m_Exc->GetVoltageSignal();
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int nP,nPP;
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unsigned int ui_pos;
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unsigned int pos[3];
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for (int n=0;n<3;++n)
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{
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if (!m_Op_TFSF->m_ActiveDir[n][0] && !m_Op_TFSF->m_ActiveDir[n][1])
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continue;
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nP = (n+1)%3;
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nPP = (n+2)%3;
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// lower plane
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pos[nP] = m_Op_TFSF->m_Start[nP];
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ui_pos = 0;
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if (m_Op_TFSF->m_ActiveDir[n][0])
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{
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for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
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{
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pos[nPP] = m_Op_TFSF->m_Start[nPP];
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for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
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{
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// current updates
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pos[n] = m_Op_TFSF->m_Start[n]-1;
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m_Eng->SetCurr(nP,pos, m_Eng->GetCurr(nP,pos)
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+ (1.0-m_Op_TFSF->m_CurrDelayDelta[n][0][0][ui_pos])*m_Op_TFSF->m_CurrAmp[n][0][0][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_CurrDelay[n][0][0][ui_pos]]]
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+ m_Op_TFSF->m_CurrDelayDelta[n][0][0][ui_pos] *m_Op_TFSF->m_CurrAmp[n][0][0][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_CurrDelay[n][0][0][ui_pos]]] );
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m_Eng->SetCurr(nPP,pos, m_Eng->GetCurr(nPP,pos)
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+ (1.0-m_Op_TFSF->m_CurrDelayDelta[n][0][1][ui_pos])*m_Op_TFSF->m_CurrAmp[n][0][1][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_CurrDelay[n][0][1][ui_pos]]]
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+ m_Op_TFSF->m_CurrDelayDelta[n][0][1][ui_pos] *m_Op_TFSF->m_CurrAmp[n][0][1][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_CurrDelay[n][0][1][ui_pos]]] );
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++pos[nPP];
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++ui_pos;
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}
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++pos[nP];
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}
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}
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// upper plane
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pos[nP] = m_Op_TFSF->m_Start[nP];
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ui_pos = 0;
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if (m_Op_TFSF->m_ActiveDir[n][1])
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{
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for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
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{
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pos[nPP] = m_Op_TFSF->m_Start[nPP];
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for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
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{
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// current updates
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pos[n] = m_Op_TFSF->m_Stop[n];
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m_Eng->SetCurr(nP,pos, m_Eng->GetCurr(nP,pos)
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+ (1.0-m_Op_TFSF->m_CurrDelayDelta[n][1][0][ui_pos])*m_Op_TFSF->m_CurrAmp[n][1][0][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_CurrDelay[n][1][0][ui_pos]]]
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+ m_Op_TFSF->m_CurrDelayDelta[n][1][0][ui_pos] *m_Op_TFSF->m_CurrAmp[n][1][0][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_CurrDelay[n][1][0][ui_pos]]] );
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m_Eng->SetCurr(nPP,pos, m_Eng->GetCurr(nPP,pos)
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+ (1.0-m_Op_TFSF->m_CurrDelayDelta[n][1][1][ui_pos])*m_Op_TFSF->m_CurrAmp[n][1][1][ui_pos]*signal[m_DelayLookup[ m_Op_TFSF->m_CurrDelay[n][1][1][ui_pos]]]
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+ m_Op_TFSF->m_CurrDelayDelta[n][1][1][ui_pos] *m_Op_TFSF->m_CurrAmp[n][1][1][ui_pos]*signal[m_DelayLookup[1+m_Op_TFSF->m_CurrDelay[n][1][1][ui_pos]]] );
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++pos[nPP];
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++ui_pos;
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}
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++pos[nP];
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}
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}
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}
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}
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