openEMS/examples/FDTD_examples.cpp

392 lines
12 KiB
C++

#include "FDTD_examples.h"
#include "../tools/constants.h"
void BuildDipol(const char* filename)
{
int maxIter = 1000;
double fmax=1e9;
int Excit_Type=0;
int bounds[] = {1,1,0,0,0,0};
cerr << "Create Geometry..." << endl;
ContinuousStructure CSX;
CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
mat->SetKappa(0.001);
CSX.AddProperty(mat);
CSPrimBox* matbox = new CSPrimBox(CSX.GetParameterSet(),mat);
matbox->SetCoord(0,-1000.0);matbox->SetCoord(1,1000.0);
matbox->SetCoord(2,-1000.0);matbox->SetCoord(3,1000.0);
matbox->SetCoord(4,-1000.0);matbox->SetCoord(5,1000.0);
CSX.AddPrimitive(matbox);
CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
elec->SetExcitation(1,1);
elec->SetExcitType(1);
elec->SetActiveDir(0,0);//disable x
elec->SetActiveDir(0,2);//disable z
// elec->SetDelay(2.0e-9);
CSX.AddProperty(elec);
CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),elec);
box->SetCoord(0,-10.0);box->SetCoord(1,10.0);
box->SetCoord(2,-75.0);box->SetCoord(3,75.0);
box->SetCoord(4,-10.0);box->SetCoord(5,10.0);
CSX.AddPrimitive(box);
CSRectGrid* grid = CSX.GetGrid();
for (int n=-990;n<=990;n+=20)
grid->AddDiscLine(2,(double)n);
for (int n=-990;n<=990;n+=20)
grid->AddDiscLine(0,(double)n);
for (int n=-990;n<=990;n+=20)
grid->AddDiscLine(1,(double)n);
grid->SetDeltaUnit(1e-3);
//*************** Create XML file **********************
TiXmlDocument doc(filename);
doc.InsertEndChild(TiXmlDeclaration("1.0","ISO-8859-1","yes"));
TiXmlElement FDTD_Opts("openEMS-Parameter");
FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter);
TiXmlElement Excite("Excitation");
Excite.SetAttribute("Type",Excit_Type);
Excite.SetAttribute("f0",fmax);
FDTD_Opts.InsertEndChild(Excite);
TiXmlElement BC("BoundaryCond");
BC.SetAttribute("xmin",bounds[0]);
BC.SetAttribute("xmax",bounds[1]);
BC.SetAttribute("ymin",bounds[2]);
BC.SetAttribute("ymax",bounds[3]);
BC.SetAttribute("zmin",bounds[4]);
BC.SetAttribute("zmax",bounds[5]);
FDTD_Opts.InsertEndChild(BC);
doc.InsertEndChild(FDTD_Opts);
if (CSX.Write2XML(&doc,true)==false)
{
cerr << "writing failed" << endl;
exit(-1);
}
doc.SaveFile();
}
void BuildPlaneWave(const char* filename)
{
int maxIter = 1000;
double fmax=1e9;
int Excit_Type=0;
int bounds[] = {1,1,0,0,0,0};
cerr << "Create Geometry..." << endl;
ContinuousStructure CSX;
double width = 1000;
double hight = 1000;
double length = 4000;
double abs_l = 200;
CSPrimBox* box = NULL;
//fake pml....
CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
// mat->SetEpsilon(3.6);
double finalKappa = 0.3/pow(abs_l,4);
mat->SetKappa(finalKappa);
std::ostringstream fct;
fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
mat->SetKappaWeightFunction(fct.str(),0);
mat->SetKappaWeightFunction(fct.str(),1);
mat->SetKappaWeightFunction(fct.str(),2);
mat->SetSigma(finalKappa*__MUE0__/__EPS0__);
mat->SetSigmaWeightFunction(fct.str(),0);
mat->SetSigmaWeightFunction(fct.str(),1);
mat->SetSigmaWeightFunction(fct.str(),2);
CSX.AddProperty(mat);
box = new CSPrimBox(CSX.GetParameterSet(),mat);
box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
box->SetCoord(4,length/2.0-abs_l); box->SetCoord(5,length/2.0);
CSX.AddPrimitive(box);
box = new CSPrimBox(CSX.GetParameterSet(),mat);
box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
box->SetCoord(4,length/-2.0+abs_l); box->SetCoord(5,length/-2.0);
CSX.AddPrimitive(box);
CSPropMaterial* mat2 = new CSPropMaterial(CSX.GetParameterSet());
mat2->SetEpsilon(2);
CSX.AddProperty(mat2);
box = new CSPrimBox(CSX.GetParameterSet(),mat2);
box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
box->SetCoord(4,length/-4.0);box->SetCoord(5,length/4.0);
CSX.AddPrimitive(box);
CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
elec->SetExcitation(1,1);
elec->SetExcitType(0);
elec->SetActiveDir(0,0);//disable x
elec->SetActiveDir(0,2);//disable z
// elec->SetDelay(2.0e-9);
CSX.AddProperty(elec);
box = new CSPrimBox(CSX.GetParameterSet(),elec);
box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
box->SetCoord(2,hight/-2.0);box->SetCoord(3,hight/2.0);
box->SetCoord(4,0.0);box->SetCoord(5,0.0);
CSX.AddPrimitive(box);
//E-field dump
CSPropDumpBox* Edump = new CSPropDumpBox(CSX.GetParameterSet());
Edump->SetDumpType(0);
Edump->SetName("tmp/Et_");
CSX.AddProperty(Edump);
box = new CSPrimBox(CSX.GetParameterSet(),Edump);
box->SetCoord(0,width/-3.0);box->SetCoord(1,width/3.0);
box->SetCoord(2,0.0);box->SetCoord(3,0.0);
box->SetCoord(4,length/-2.0+abs_l);box->SetCoord(5,length/2.0-abs_l);
CSX.AddPrimitive(box);
//H-field dump
CSPropDumpBox* Hdump = new CSPropDumpBox(CSX.GetParameterSet());
Hdump->SetDumpType(1);
Hdump->SetName("tmp/Ht_");
CSX.AddProperty(Hdump);
box = new CSPrimBox(CSX.GetParameterSet(),Hdump);
box->SetCoord(0,width/-3.0);box->SetCoord(1,width/3.0);
box->SetCoord(2,0.0);box->SetCoord(3,0.0);
box->SetCoord(4,length/-2.0+abs_l);box->SetCoord(5,length/2.0-abs_l);
CSX.AddPrimitive(box);
// CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet());
// CSX.AddProperty(metal);
// CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal);
// cyl->SetRadius(100);
// cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0);
// cyl->SetCoord(2,-250.0);cyl->SetCoord(3,250.0);
// cyl->SetCoord(4,-0000.0);cyl->SetCoord(5,-0000.0);
// CSX.AddPrimitive(cyl);
CSRectGrid* grid = CSX.GetGrid();
for (int n=width/-2.0;n<=width/2;n+=20)
grid->AddDiscLine(0,(double)n);
for (int n=hight/-2.0;n<=hight/2.0;n+=20)
grid->AddDiscLine(1,(double)n);
for (int n=length/-2.0;n<=length/2.0;n+=20)
grid->AddDiscLine(2,(double)n);
grid->SetDeltaUnit(1e-3);
//*************** Create XML file **********************
TiXmlDocument doc(filename);
doc.InsertEndChild(TiXmlDeclaration("1.0","ISO-8859-1","yes"));
TiXmlElement FDTD_Opts("openEMS-Parameter");
FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter);
TiXmlElement Excite("Excitation");
Excite.SetAttribute("Type",Excit_Type);
Excite.SetAttribute("f0",fmax);
FDTD_Opts.InsertEndChild(Excite);
TiXmlElement BC("BoundaryCond");
BC.SetAttribute("xmin",bounds[0]);
BC.SetAttribute("xmax",bounds[1]);
BC.SetAttribute("ymin",bounds[2]);
BC.SetAttribute("ymax",bounds[3]);
BC.SetAttribute("zmin",bounds[4]);
BC.SetAttribute("zmax",bounds[5]);
FDTD_Opts.InsertEndChild(BC);
doc.InsertEndChild(FDTD_Opts);
if (CSX.Write2XML(&doc,true)==false)
{
cerr << "writing failed" << endl;
exit(-1);
}
doc.SaveFile();
}
void BuildMSL(const char* filename)
{
int maxIter = 1000;
double fmax=1e9;
int Excit_Type=0;
int bounds[] = {1,1,0,0,0,0};
cerr << "Create Geometry..." << endl;
ContinuousStructure CSX;
double width = 1000;
double height = 500;
double length = 2000;
double abs_l = 200;
double MSL_height=50;
double MSL_width=80;
double delta[] = {20,10,20};
//substrate....
CSPropMaterial* mat = new CSPropMaterial(CSX.GetParameterSet());
// mat->SetEpsilon(3.6);
double finalKappa = 0.3/pow(abs_l,4);
mat->SetKappa(finalKappa);
std::ostringstream fct;
fct << "pow(abs(z)-" << length/2.0-abs_l << ",4)";
mat->SetKappaWeightFunction(fct.str(),0);
mat->SetKappaWeightFunction(fct.str(),1);
mat->SetKappaWeightFunction(fct.str(),2);
mat->SetSigma(finalKappa*__MUE0__/__EPS0__);
mat->SetSigmaWeightFunction(fct.str(),0);
mat->SetSigmaWeightFunction(fct.str(),1);
mat->SetSigmaWeightFunction(fct.str(),2);
CSX.AddProperty(mat);
CSPrimBox* box = new CSPrimBox(CSX.GetParameterSet(),mat);
box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
box->SetCoord(2,0.0);box->SetCoord(3,height);
box->SetCoord(4,length/2.0-abs_l); box->SetCoord(5,length/2.0);
CSX.AddPrimitive(box);
// box = new CSPrimBox(CSX.GetParameterSet(),mat);
// box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
// box->SetCoord(2,0.0);box->SetCoord(3,hight);
// box->SetCoord(4,length/-2.0+abs_l); box->SetCoord(5,length/-2.0);
// CSX.AddPrimitive(box);
//MSL
CSProperties* MSL = NULL;
CSPropMaterial* MSL_mat = new CSPropMaterial(CSX.GetParameterSet());
MSL_mat->SetKappa(56e6);
MSL = MSL_mat;
// MSL = new CSPropMetal(CSX.GetParameterSet());
CSX.AddProperty(MSL);
box = new CSPrimBox(CSX.GetParameterSet(),MSL);
box->SetCoord(0,MSL_width/-2.0);box->SetCoord(1,MSL_width/2.0);
box->SetCoord(2,MSL_height);box->SetCoord(3,MSL_height+delta[1]);
box->SetCoord(4,length/-2);box->SetCoord(5,length/2.0);
box->SetPriority(100);
CSX.AddPrimitive(box);
//MSL excite...
CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet());
elec->SetExcitation(-1,1);
elec->SetExcitType(0);
// elec->SetDelay(2.0e-9);
CSX.AddProperty(elec);
box = new CSPrimBox(CSX.GetParameterSet(),elec);
box->SetCoord(0,-40.0);box->SetCoord(1,40.0);
box->SetCoord(2,0.0);box->SetCoord(3,50.0);
box->SetCoord(4,length/-2.0);box->SetCoord(5,length/-2.0);
CSX.AddPrimitive(box);
CSPropDumpBox* Edump = NULL;
// //E-field dump xz
// Edump = new CSPropDumpBox(CSX.GetParameterSet());
// Edump->SetDumpType(0);
// Edump->SetName("tmp/Et_xz_");
// CSX.AddProperty(Edump);
// box = new CSPrimBox(CSX.GetParameterSet(),Edump);
// box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
// box->SetCoord(2,25.0);box->SetCoord(3,25.);
// box->SetCoord(4,length/-2.0);box->SetCoord(5,length/2.0);
// CSX.AddPrimitive(box);
//
// //E-field dump xy
// Edump = new CSPropDumpBox(CSX.GetParameterSet());
// Edump->SetDumpType(0);
// Edump->SetName("tmp/Et_xy_");
// CSX.AddProperty(Edump);
// box = new CSPrimBox(CSX.GetParameterSet(),Edump);
// box->SetCoord(0,width/-2.0);box->SetCoord(1,width/2.0);
// box->SetCoord(2,0.0);box->SetCoord(3,height);
// box->SetCoord(4,0.0);box->SetCoord(5,0.0);
// CSX.AddPrimitive(box);
//E-field dump 3D
Edump = new CSPropDumpBox(CSX.GetParameterSet());
Edump->SetDumpType(0);
Edump->SetDumpMode(2); //cell interpolated dump
Edump->SetName("tmp/Et_");
CSX.AddProperty(Edump);
box = new CSPrimBox(CSX.GetParameterSet(),Edump);
box->SetCoord(0,MSL_width*-1.5);box->SetCoord(1,MSL_width*1.5);
box->SetCoord(2,0.0);box->SetCoord(3,MSL_height*1.5);
box->SetCoord(4,length/-2.0);box->SetCoord(5,length/2.0);
CSX.AddPrimitive(box);
//voltage calc
CSPropProbeBox* volt = new CSPropProbeBox(CSX.GetParameterSet());
volt->SetProbeType(0);
volt->SetName("tmp/u1");
CSX.AddProperty(volt);
box = new CSPrimBox(CSX.GetParameterSet(),volt);
box->SetCoord(0,0.0);box->SetCoord(1,0.0);
box->SetCoord(2,MSL_height);box->SetCoord(3,0.0);
box->SetCoord(4,0.0);box->SetCoord(5,0.0);
CSX.AddPrimitive(box);
//current calc
CSPropProbeBox* curr = new CSPropProbeBox(CSX.GetParameterSet());
curr->SetProbeType(1);
curr->SetName("tmp/i1");
CSX.AddProperty(curr);
box = new CSPrimBox(CSX.GetParameterSet(),curr);
box->SetCoord(0,MSL_width*-1.5);box->SetCoord(1,MSL_width*1.5);
box->SetCoord(2,MSL_height/2.0);box->SetCoord(3,MSL_height*1.5);
box->SetCoord(4,0.0);box->SetCoord(5,0.0);
CSX.AddPrimitive(box);
CSRectGrid* grid = CSX.GetGrid();
for (double n=width/-2.0;n<=width/2;n+=delta[0])
grid->AddDiscLine(0,n);
for (double n=0;n<=height;n+=delta[1])
grid->AddDiscLine(1,n);
for (double n=length/-2.0;n<=length/2.0;n+=delta[2])
grid->AddDiscLine(2,n);
grid->SetDeltaUnit(1e-3);
//*************** Create XML file **********************
TiXmlDocument doc(filename);
doc.InsertEndChild(TiXmlDeclaration("1.0","ISO-8859-1","yes"));
TiXmlElement FDTD_Opts("openEMS-Parameter");
FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter);
TiXmlElement Excite("Excitation");
Excite.SetAttribute("Type",Excit_Type);
Excite.SetAttribute("f0",fmax);
FDTD_Opts.InsertEndChild(Excite);
TiXmlElement BC("BoundaryCond");
BC.SetAttribute("xmin",bounds[0]);
BC.SetAttribute("xmax",bounds[1]);
BC.SetAttribute("ymin",bounds[2]);
BC.SetAttribute("ymax",bounds[3]);
BC.SetAttribute("zmin",bounds[4]);
BC.SetAttribute("zmax",bounds[5]);
FDTD_Opts.InsertEndChild(BC);
doc.InsertEndChild(FDTD_Opts);
if (CSX.Write2XML(&doc,true)==false)
{
cerr << "writing failed" << endl;
exit(-1);
}
doc.SaveFile();
}