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FDTD Engine Interface: update to GetRawField

pull/1/head
Thorsten Liebig 2011-01-07 16:29:08 +01:00
parent 2c3ebe5a7d
commit 24a2e3007a
1 changed files with 12 additions and 25 deletions
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37
FDTD/engine_interface_fdtd.cpp
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@ -47,13 +47,7 @@ double* Engine_Interface_FDTD::GetRawInterpolatedField(const unsigned int* pos,
default: default:
case NO_INTERPOLATION: case NO_INTERPOLATION:
for (int n=0; n<3; ++n) for (int n=0; n<3; ++n)
{ out[n] = GetRawField(n,pos,type);
delta = m_Op->GetEdgeLength(n,pos,false);
if (delta)
out[n] = GetRawField(n,pos,type) / delta;
else
out[n] = 0.0;
}
break; break;
case NODE_INTERPOLATE: case NODE_INTERPOLATE:
for (int n=0; n<3; ++n) for (int n=0; n<3; ++n)
@ -67,13 +61,13 @@ double* Engine_Interface_FDTD::GetRawInterpolatedField(const unsigned int* pos,
} }
if (pos[n]==0) if (pos[n]==0)
{ {
out[n] /= (delta * 2.0); //make it consistant with upper PEC boundary out[n] *= 0.5; //make it consistant with upper PEC boundary
continue; continue;
} }
--iPos[n]; --iPos[n];
double deltaDown = m_Op->GetEdgeLength(n,iPos); double deltaDown = m_Op->GetEdgeLength(n,iPos);
double deltaRel = delta / (delta+deltaDown); double deltaRel = delta / (delta+deltaDown);
out[n] = out[n]*(1.0-deltaRel)/delta + (double)GetRawField(n,iPos)/deltaDown*deltaRel; out[n] = out[n]*(1.0-deltaRel) + (double)GetRawField(n,iPos)*deltaRel;
++iPos[n]; ++iPos[n];
} }
break; break;
@ -87,21 +81,13 @@ double* Engine_Interface_FDTD::GetRawInterpolatedField(const unsigned int* pos,
out[n] = 0; //electric field outside the field domain is always zero out[n] = 0; //electric field outside the field domain is always zero
continue; continue;
} }
delta = m_Op->GetEdgeLength(n,iPos); out[n]=GetRawField(n,iPos);
if (delta)
out[n]=GetRawField(n,iPos)/delta;
++iPos[nP]; ++iPos[nP];
delta = m_Op->GetEdgeLength(n,iPos); out[n]+=GetRawField(n,iPos);
if (delta)
out[n]+=GetRawField(n,iPos)/delta;
++iPos[nPP]; ++iPos[nPP];
delta = m_Op->GetEdgeLength(n,iPos); out[n]+=GetRawField(n,iPos);
if (delta)
out[n]+=GetRawField(n,iPos)/delta;
--iPos[nP]; --iPos[nP];
delta = m_Op->GetEdgeLength(n,iPos); out[n]+=GetRawField(n,iPos);
if (delta)
out[n]+=GetRawField(n,iPos)/delta;
--iPos[nPP]; --iPos[nPP];
out[n]/=4; out[n]/=4;
} }
@ -191,10 +177,11 @@ double Engine_Interface_FDTD::CalcVoltageIntegral(const unsigned int* start, con
double Engine_Interface_FDTD::GetRawField(unsigned int n, const unsigned int* pos, int type) const double Engine_Interface_FDTD::GetRawField(unsigned int n, const unsigned int* pos, int type) const
{ {
double value = m_Eng->GetVolt(n,pos[0],pos[1],pos[2]); double value = m_Eng->GetVolt(n,pos[0],pos[1],pos[2]);
if (type==0) double delta = m_Op->GetEdgeLength(n,pos);
return value; if ((type==0) && (delta))
if ((type==1) && (m_Op->m_kappa)) return value/delta;
return value*m_Op->m_kappa[n][pos[0]][pos[1]][pos[2]]; if ((type==1) && (m_Op->m_kappa) && (delta))
return value*m_Op->m_kappa[n][pos[0]][pos[1]][pos[2]]/delta;
return 0.0; return 0.0;
} }