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TFSF: allow 1D/2D plane wave excitations 

Signed-off-by: Thorsten Liebig <Thorsten.Liebig@gmx.de>
pull/1/head
Thorsten Liebig 2012-07-18 16:59:42 +02:00
parent e4eee538d6
commit 21ccdc7d0a
3 changed files with 236 additions and 140 deletions
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53
FDTD/extensions/engine_ext_tfsf.cpp
View File

@ -58,9 +58,13 @@ void Engine_Ext_TFSF::DoPostVoltageUpdates()
{
nP = (n+1)%3;
nPP = (n+2)%3;
pos[nP] = m_Op_TFSF->m_Start[nP];
// lower plane
pos[nP] = m_Op_TFSF->m_Start[nP];
ui_pos = 0;
if (m_Op_TFSF->m_ActiveDir[n][0])
{
for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
{
pos[nPP] = m_Op_TFSF->m_Start[nPP];
@ -77,6 +81,25 @@ void Engine_Ext_TFSF::DoPostVoltageUpdates()
+ (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]]]
+ 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]]] );
++pos[nPP];
++ui_pos;
}
++pos[nP];
}
}
// upper plane
pos[nP] = m_Op_TFSF->m_Start[nP];
ui_pos = 0;
if (m_Op_TFSF->m_ActiveDir[n][1])
{
for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
{
pos[nPP] = m_Op_TFSF->m_Start[nPP];
for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
{
// current updates
pos[n] = m_Op_TFSF->m_Stop[n];
m_Eng->SetVolt(nP,pos, m_Eng->GetVolt(nP,pos)
@ -94,6 +117,7 @@ void Engine_Ext_TFSF::DoPostVoltageUpdates()
}
}
}
}
void Engine_Ext_TFSF::DoPostCurrentUpdates()
{
@ -118,11 +142,17 @@ void Engine_Ext_TFSF::DoPostCurrentUpdates()
unsigned int pos[3];
for (int n=0;n<3;++n)
{
if (!m_Op_TFSF->m_ActiveDir[n][0] && !m_Op_TFSF->m_ActiveDir[n][1])
continue;
nP = (n+1)%3;
nPP = (n+2)%3;
pos[nP] = m_Op_TFSF->m_Start[nP];
// lower plane
pos[nP] = m_Op_TFSF->m_Start[nP];
ui_pos = 0;
if (m_Op_TFSF->m_ActiveDir[n][0])
{
for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
{
pos[nPP] = m_Op_TFSF->m_Start[nPP];
@ -139,6 +169,24 @@ void Engine_Ext_TFSF::DoPostCurrentUpdates()
+ (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]]]
+ 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]]] );
++pos[nPP];
++ui_pos;
}
++pos[nP];
}
}
// upper plane
pos[nP] = m_Op_TFSF->m_Start[nP];
ui_pos = 0;
if (m_Op_TFSF->m_ActiveDir[n][1])
{
for (unsigned int i=0;i<m_Op_TFSF->m_numLines[nP];++i)
{
pos[nPP] = m_Op_TFSF->m_Start[nPP];
for (unsigned int j=0;j<m_Op_TFSF->m_numLines[nPP];++j)
{
// current updates
pos[n] = m_Op_TFSF->m_Stop[n];
m_Eng->SetCurr(nP,pos, m_Eng->GetCurr(nP,pos)
@ -156,3 +204,4 @@ void Engine_Ext_TFSF::DoPostCurrentUpdates()
}
}
}
}

48
FDTD/extensions/operator_ext_tfsf.cpp
View File

@ -152,6 +152,15 @@ bool Operator_Ext_TFST::BuildExtension()
m_numLines[n] = m_Stop[n]-m_Start[n]+1;
m_IncLow[n] = m_PropDir[n]>=0;
if (m_Start[n]==0)
m_ActiveDir[n][0]=false;
else
m_ActiveDir[n][0]=true;
if (m_Stop[n]==m_Op->GetOriginalNumLines(n)-1)
m_ActiveDir[n][1]=false;
else
m_ActiveDir[n][1]=true;
if (m_IncLow[n])
{
ui_origin[n] = m_Start[n];
@ -205,8 +214,13 @@ bool Operator_Ext_TFST::BuildExtension()
numP = m_numLines[nP]*m_numLines[nPP];
if (!m_ActiveDir[n][0] && !m_ActiveDir[n][1])
continue;
for (int l=0;l<2;++l)
for (int c=0;c<2;++c)
{
if (m_ActiveDir[n][l])
{
m_VoltDelay[n][l][c]=new unsigned int[numP];
m_VoltDelayDelta[n][l][c]=new FDTD_FLOAT[numP];
@ -216,6 +230,7 @@ bool Operator_Ext_TFST::BuildExtension()
m_CurrDelayDelta[n][l][c]=new FDTD_FLOAT[numP];
m_CurrAmp[n][l][c]=new FDTD_FLOAT[numP];
}
}
ui_pos = 0;
for (unsigned int i=0;i<m_numLines[nP];++i)
@ -225,6 +240,9 @@ bool Operator_Ext_TFST::BuildExtension()
{
// current updates
pos[n] = m_Start[n];
if (m_ActiveDir[n][0])
{
m_Op->GetYeeCoords(nP,pos,coord,false);
dist = fabs(coord[0]-origin[0])*m_PropDir[0]+fabs(coord[1]-origin[1])*m_PropDir[1]+fabs(coord[2]-origin[2])*m_PropDir[2];
delay = dist*unit/__C0__/dT;
@ -244,7 +262,10 @@ bool Operator_Ext_TFST::BuildExtension()
--pos[n];
m_CurrAmp[n][0][0][ui_pos]*=m_Op->GetIV(nP,pos);
m_CurrAmp[n][0][1][ui_pos]*=m_Op->GetIV(nPP,pos);
}
if (m_ActiveDir[n][1])
{
pos[n] = m_Stop[n];
m_Op->GetYeeCoords(nP,pos,coord,false);
dist = fabs(coord[0]-origin[0])*m_PropDir[0]+fabs(coord[1]-origin[1])*m_PropDir[1]+fabs(coord[2]-origin[2])*m_PropDir[2];
@ -264,31 +285,42 @@ bool Operator_Ext_TFST::BuildExtension()
m_CurrAmp[n][1][0][ui_pos]*=m_Op->GetIV(nP,pos);
m_CurrAmp[n][1][1][ui_pos]*=m_Op->GetIV(nPP,pos);
}
if (m_IncLow[n])
{
if (m_ActiveDir[n][0])
m_CurrAmp[n][0][0][ui_pos]*=-1;
if (m_ActiveDir[n][1])
m_CurrAmp[n][1][1][ui_pos]*=-1;
}
else
{
if (m_ActiveDir[n][0])
m_CurrAmp[n][0][1][ui_pos]*=-1;
if (m_ActiveDir[n][1])
m_CurrAmp[n][1][0][ui_pos]*=-1;
}
if (pos[nP]==m_Stop[nP])
{
if (m_ActiveDir[n][0])
m_CurrAmp[n][0][1][ui_pos]=0;
if (m_ActiveDir[n][1])
m_CurrAmp[n][1][1][ui_pos]=0;
}
if (pos[nPP]==m_Stop[nPP])
{
if (m_ActiveDir[n][0])
m_CurrAmp[n][0][0][ui_pos]=0;
if (m_ActiveDir[n][1])
m_CurrAmp[n][1][0][ui_pos]=0;
}
// voltage updates
pos[n] = m_Start[n]-1;
if (m_ActiveDir[n][0])
{
m_Op->GetYeeCoords(nP,pos,coord,true);
dist = fabs(coord[0]-origin[0])*m_PropDir[0]+fabs(coord[1]-origin[1])*m_PropDir[1]+fabs(coord[2]-origin[2])*m_PropDir[2];
delay = dist*unit/__C0__/dT;
@ -308,8 +340,11 @@ bool Operator_Ext_TFST::BuildExtension()
++pos[n];
m_VoltAmp[n][0][0][ui_pos]*=m_Op->GetVI(nP,pos);
m_VoltAmp[n][0][1][ui_pos]*=m_Op->GetVI(nPP,pos);
}
pos[n] = m_Stop[n];
if (m_ActiveDir[n][1])
{
m_Op->GetYeeCoords(nP,pos,coord,true);
dist = fabs(coord[0]-origin[0])*m_PropDir[0]+fabs(coord[1]-origin[1])*m_PropDir[1]+fabs(coord[2]-origin[2])*m_PropDir[2];
delay = dist*unit/__C0__/dT;
@ -328,26 +363,35 @@ bool Operator_Ext_TFST::BuildExtension()
m_VoltAmp[n][1][0][ui_pos]*=m_Op->GetVI(nP,pos);
m_VoltAmp[n][1][1][ui_pos]*=m_Op->GetVI(nPP,pos);
}
if (m_IncLow[n])
{
if (m_ActiveDir[n][1])
m_VoltAmp[n][1][0][ui_pos]*=-1;
if (m_ActiveDir[n][0])
m_VoltAmp[n][0][1][ui_pos]*=-1;
}
else
{
if (m_ActiveDir[n][0])
m_VoltAmp[n][0][0][ui_pos]*=-1;
if (m_ActiveDir[n][1])
m_VoltAmp[n][1][1][ui_pos]*=-1;
}
if (pos[nP]==m_Stop[nP])
{
if (m_ActiveDir[n][0])
m_VoltAmp[n][0][0][ui_pos]=0;
if (m_ActiveDir[n][1])
m_VoltAmp[n][1][0][ui_pos]=0;
}
if (pos[nPP]==m_Stop[nPP])
{
if (m_ActiveDir[n][0])
m_VoltAmp[n][0][1][ui_pos]=0;
if (m_ActiveDir[n][1])
m_VoltAmp[n][1][1][ui_pos]=0;
}
@ -372,10 +416,12 @@ Engine_Extension* Operator_Ext_TFST::CreateEngineExtention()
void Operator_Ext_TFST::ShowStat(ostream &ostr) const
{
Operator_Extension::ShowStat(ostr);
cout << "Active directions\t: " << "(" << m_ActiveDir[0][0] << "/" << m_ActiveDir[0][1] << ", " << m_ActiveDir[1][0] << "/" << m_ActiveDir[1][1] << ", " << m_ActiveDir[2][0] << "/" << m_ActiveDir[2][1] << ")" << endl;
cout << "Propagation direction\t: " << "(" << m_PropDir[0] << ", " << m_PropDir[1] << ", " << m_PropDir[2] << ")" << endl;
cout << "E-field amplitude\t: " << "(" << m_E_Amp[0] << ", " << m_E_Amp[1] << ", " << m_E_Amp[2] << ")" << endl;
cout << "m_H_Amp amplitude\t: " << "(" << m_H_Amp[0]*__Z0__ << ", " << m_H_Amp[1]*__Z0__ << ", " << m_H_Amp[2]*__Z0__ << ")/Z0" << endl;
cout << "Box Dimensions\t\t: " << m_numLines[0] << " x " << m_numLines[1] << " x " << m_numLines[2] << endl;
cout << "Max. Delay (TS)\t\t: " << m_maxDelay << endl;
cout << "Memory usage (est.)\t: ~" << m_numLines[0] * m_numLines[1] * m_numLines[2] * 6 * 4 * 4 / 1024 << " kiB" << endl;
int dirs = m_ActiveDir[0][0] + m_ActiveDir[0][1] + m_ActiveDir[1][0] + m_ActiveDir[1][1] + m_ActiveDir[2][0] + m_ActiveDir[2][1] ;
cout << "Memory usage (est.)\t: ~" << m_numLines[0] * m_numLines[1] * m_numLines[2] * dirs * 4 * 4 / 1024 << " kiB" << endl;
}

1
FDTD/extensions/operator_ext_tfsf.h
View File

@ -51,6 +51,7 @@ protected:
Excitation* m_Exc;
bool m_IncLow[3];
bool m_ActiveDir[3][2]; // m_ActiveDir[direction][low/high]
unsigned int m_Start[3];
unsigned int m_Stop[3];
unsigned int m_numLines[3];