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fix in upml operator

pull/1/head
Thorsten Liebig 2010-10-06 10:04:19 +02:00
parent 430a04e9e4
commit 1b2ac008e7
2 changed files with 11 additions and 18 deletions
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27
FDTD/operator_ext_upml.cpp
View File

@ -265,7 +265,7 @@ bool Operator_Ext_UPML::SetGradingFunction(string func)
return false;
}
void Operator_Ext_UPML::CalcGradingKappa(int ny, unsigned int pos[3], double Zm[3], double kappa_v[3], double kappa_i[3])
void Operator_Ext_UPML::CalcGradingKappa(int ny, unsigned int pos[3], double Zm, double kappa_v[3], double kappa_i[3])
{
double depth=0;
double width=0;
@ -278,7 +278,7 @@ void Operator_Ext_UPML::CalcGradingKappa(int ny, unsigned int pos[3], double Zm[
if (n==ny)
depth-=m_Op->GetMeshDelta(n,pos)/2;
double vars[5] = {depth, width/m_Size[2*n], width, Zm[n], m_Size[2*n]};
double vars[5] = {depth, width/m_Size[2*n], width, Zm, m_Size[2*n]};
if (depth>0)
kappa_v[n] = m_GradingFunction->Eval(vars);
else
@ -303,7 +303,7 @@ void Operator_Ext_UPML::CalcGradingKappa(int ny, unsigned int pos[3], double Zm[
if (n==ny)
depth+=m_Op->GetMeshDelta(n,pos)/2;
double vars[5] = {depth, width/(m_Size[2*n]), width, Zm[n], m_Size[2*n]};
double vars[5] = {depth, width/(m_Size[2*n]), width, Zm, m_Size[2*n]};
if (depth>0)
kappa_v[n] = m_GradingFunction->Eval(vars);
else
@ -352,8 +352,7 @@ bool Operator_Ext_UPML::BuildExtension()
int nP,nPP;
double kappa_v[3]={0,0,0};
double kappa_i[3]={0,0,0};
double eff_Mat[3][4];
double Zm[3];
double eff_Mat[4];
double dT = m_Op->GetTimestep();
for (loc_pos[0]=0;loc_pos[0]<m_numLines[0];++loc_pos[0])
@ -365,16 +364,10 @@ bool Operator_Ext_UPML::BuildExtension()
for (loc_pos[2]=0;loc_pos[2]<m_numLines[2];++loc_pos[2])
{
pos[2] = loc_pos[2] + m_StartPos[2];
//calc kappa here for all dir ...
m_Op->Calc_EffMatPos(0,pos,eff_Mat[0]);
m_Op->Calc_EffMatPos(1,pos,eff_Mat[1]);
m_Op->Calc_EffMatPos(2,pos,eff_Mat[2]);
Zm[0] = sqrt(eff_Mat[0][2]/eff_Mat[0][0]);
Zm[1] = sqrt(eff_Mat[1][2]/eff_Mat[1][0]);
Zm[2] = sqrt(eff_Mat[2][2]/eff_Mat[2][0]);
for (int n=0;n<3;++n)
{
CalcGradingKappa(n, pos,Zm,kappa_v,kappa_i);
m_Op->Calc_EffMatPos(0,pos,eff_Mat);
CalcGradingKappa(n, pos,__Z0__ ,kappa_v ,kappa_i);
nP = (n+1)%3;
nPP = (n+2)%3;
//check if pos is on PEC
@ -389,8 +382,8 @@ bool Operator_Ext_UPML::BuildExtension()
//operators needed by eq. (7.88) to calculate new voltages from old voltages and old and new "voltage fluxes"
vv [n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_v[nPP]*dT) / (2*__EPS0__ + kappa_v[nPP]*dT);
vvfn[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ + kappa_v[n]*dT) / (2*__EPS0__ + kappa_v[nPP]*dT)/eff_Mat[n][0];
vvfo[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_v[n]*dT) / (2*__EPS0__ + kappa_v[nPP]*dT)/eff_Mat[n][0];
vvfn[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ + kappa_v[n]*dT) / (2*__EPS0__ + kappa_v[nPP]*dT)/eff_Mat[0];
vvfo[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_v[n]*dT) / (2*__EPS0__ + kappa_v[nPP]*dT)/eff_Mat[0];
}
//check if pos is on PMC
@ -404,8 +397,8 @@ bool Operator_Ext_UPML::BuildExtension()
//operators needed by eq. (7.90) to calculate new currents from old currents and old and new "current fluxes"
ii [n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_i[nPP]*dT) / (2*__EPS0__ + kappa_i[nPP]*dT);
iifn[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ + kappa_i[n]*dT) / (2*__EPS0__ + kappa_i[nPP]*dT)/eff_Mat[n][2];
iifo[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_i[n]*dT) / (2*__EPS0__ + kappa_i[nPP]*dT)/eff_Mat[n][2];
iifn[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ + kappa_i[n]*dT) / (2*__EPS0__ + kappa_i[nPP]*dT)/eff_Mat[2];
iifo[n][loc_pos[0]][loc_pos[1]][loc_pos[2]] = (2*__EPS0__ - kappa_i[n]*dT) / (2*__EPS0__ + kappa_i[nPP]*dT)/eff_Mat[2];
}
}
}

2
FDTD/operator_ext_upml.h
View File

@ -82,7 +82,7 @@ protected:
string m_GradFunc;
FunctionParser* m_GradingFunction;
void CalcGradingKappa(int ny, unsigned int pos[3], double Zm[3], double kappa_v[3], double kappa_i[3]);
void CalcGradingKappa(int ny, unsigned int pos[3], double Zm, double kappa_v[3], double kappa_i[3]);
void DeleteOp();
FDTD_FLOAT**** vv; //calc new voltage from old voltage