/* * Copyright (C) 2010 Thorsten Liebig (Thorsten.Liebig@gmx.de) * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #include "FDTD_examples.h" #include "../tools/constants.h" void BuildDipol(const char* filename) { int maxIter = 1000; double f0=0.5e9; double fc=0.5e9; 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 openEMS("openEMS"); TiXmlElement FDTD_Opts("FDTD"); FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter); TiXmlElement Excite("Excitation"); Excite.SetAttribute("Type",Excit_Type); Excite.SetAttribute("f0",f0); Excite.SetAttribute("fc",fc); 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); openEMS.InsertEndChild(FDTD_Opts); if (CSX.Write2XML(&openEMS,true)==false) { cerr << "writing failed" << endl; exit(-1); } doc.InsertEndChild(openEMS); doc.SaveFile(); } void BuildPlaneWave(const char* filename) { int maxIter = 10000; double f0=0.5e9; double fc=0.5e9; 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("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("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 openEMS("openEMS"); TiXmlElement FDTD_Opts("FDTD"); FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter); TiXmlElement Excite("Excitation"); Excite.SetAttribute("Type",Excit_Type); Excite.SetAttribute("f0",f0); Excite.SetAttribute("fc",fc); 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); openEMS.InsertEndChild(FDTD_Opts); if (CSX.Write2XML(&openEMS,true)==false) { cerr << "writing failed" << endl; exit(-1); } doc.InsertEndChild(openEMS); doc.SaveFile(); } void BuildMSL(const char* filename) { int maxIter = 10000; double f0=0.5e9; double fc=0.5e9; 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("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("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("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("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("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 openEMS("openEMS"); TiXmlElement FDTD_Opts("FDTD"); FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter); TiXmlElement Excite("Excitation"); Excite.SetAttribute("Type",Excit_Type); Excite.SetAttribute("f0",f0); Excite.SetAttribute("fc",fc); 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); openEMS.InsertEndChild(FDTD_Opts); if (CSX.Write2XML(&openEMS,true)==false) { cerr << "writing failed" << endl; exit(-1); } doc.InsertEndChild(openEMS); doc.SaveFile(); } void BuildCoaxial_Cartesian(const char* filename) { int maxIter = 1000; double f0=1e9; double fc=1e9; int Excit_Type=0; int bounds[] = {0,0,0,0,0,0}; cerr << "Create Geometry..." << endl; ContinuousStructure CSX; double rad[] = {100, 230}; double length[] = {-500,1500}; double abs_l = 200; double delta[] = {5,5,10}; 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[1]-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,-1.0*rad[1]);box->SetCoord(1,1.0*rad[1]); box->SetCoord(2,-1.0*rad[1]);box->SetCoord(3,1.0*rad[1]); box->SetCoord(4,length[1]-abs_l); box->SetCoord(5,length[1]); box->SetPriority(10); CSX.AddPrimitive(box); CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet()); elec->SetExcitation(1.0,0); elec->SetExcitation(1.0,1); elec->SetWeightFunction("x/pow(rho,2)",0); elec->SetWeightFunction("y/pow(rho,2)",1); elec->SetExcitType(0); // elec->SetActiveDir(0,0);//disable x // elec->SetActiveDir(0,2);//disable z // elec->SetDelay(2.0e-9); CSX.AddProperty(elec); // double coords[] = {-100,-100,0}; // cerr << elec->GetWeightedExcitation(0,coords) << endl; // cerr << elec->GetWeightedExcitation(1,coords) << endl; // exit(0); box = new CSPrimBox(CSX.GetParameterSet(),elec); box->SetCoord(0,-1.0*rad[1]);box->SetCoord(1,1.0*rad[1]); box->SetCoord(2,-1.0*rad[1]);box->SetCoord(3,1.0*rad[1]); box->SetCoord(4,length[0]);box->SetCoord(5,length[0]); box->SetPriority(5); CSX.AddPrimitive(box); //E-field dump CSPropDumpBox* Edump = new CSPropDumpBox(CSX.GetParameterSet()); Edump->SetDumpType(0); Edump->SetDumpMode(2); Edump->SetName("Et_"); CSX.AddProperty(Edump); box = new CSPrimBox(CSX.GetParameterSet(),Edump); box->SetCoord(0,-1*rad[1]);box->SetCoord(1,rad[1]); box->SetCoord(2,-0*rad[1]);box->SetCoord(3,0*rad[1]); box->SetCoord(4,length[0]);box->SetCoord(5,length[1]); CSX.AddPrimitive(box); //voltage calc CSPropProbeBox* volt = new CSPropProbeBox(CSX.GetParameterSet()); volt->SetProbeType(0); volt->SetName("u1"); CSX.AddProperty(volt); box = new CSPrimBox(CSX.GetParameterSet(),volt); box->SetCoord(0,rad[0]);box->SetCoord(1,rad[1]); box->SetCoord(2,0.0);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("i1"); CSX.AddProperty(curr); box = new CSPrimBox(CSX.GetParameterSet(),curr); box->SetCoord(0,-1.5*rad[0]);box->SetCoord(1,1.5*rad[0]); box->SetCoord(2,-1.5*rad[0]);box->SetCoord(3,1.5*rad[0]); box->SetCoord(4,0.0);box->SetCoord(5,0.0); CSX.AddPrimitive(box); CSPropMaterial* metal = new CSPropMaterial(CSX.GetParameterSet()); metal->SetKappa(56e9); // CSPropMetal* metal = new CSPropMetal(CSX.GetParameterSet()); CSX.AddProperty(metal); CSPrimCylinder* cyl = new CSPrimCylinder(CSX.GetParameterSet(),metal); cyl->SetRadius(rad[0]); cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0); cyl->SetCoord(2,0.0);cyl->SetCoord(3,0.0); cyl->SetCoord(4,length[0]);cyl->SetCoord(5,length[1]); cyl->SetPriority(100); CSX.AddPrimitive(cyl); box = new CSPrimBox(CSX.GetParameterSet(),metal); box->SetCoord(0,-1.0*rad[1]);box->SetCoord(1,1.0*rad[1]); box->SetCoord(2,-1.0*rad[1]);box->SetCoord(3,1.0*rad[1]); box->SetCoord(4,length[0]);box->SetCoord(5,length[1]); box->SetPriority(1); CSX.AddPrimitive(box); CSPropMaterial* air = new CSPropMaterial(CSX.GetParameterSet()); CSX.AddProperty(air); cyl = new CSPrimCylinder(CSX.GetParameterSet(),air); cyl->SetRadius(rad[1]); cyl->SetCoord(0,0.0);cyl->SetCoord(1,0.0); cyl->SetCoord(2,0.0);cyl->SetCoord(3,0.0); cyl->SetCoord(4,length[0]);cyl->SetCoord(5,length[1]); cyl->SetPriority(9); CSX.AddPrimitive(cyl); CSRectGrid* grid = CSX.GetGrid(); for (int n=-1.0*rad[1];n<=rad[1];n+=delta[0]) grid->AddDiscLine(0,(double)n); for (int n=-1.0*rad[1];n<=rad[1];n+=delta[1]) grid->AddDiscLine(1,(double)n); for (int n=length[0];n<=length[1];n+=delta[2]) 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 openEMS("openEMS"); TiXmlElement FDTD_Opts("FDTD"); FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter); TiXmlElement Excite("Excitation"); Excite.SetAttribute("Type",Excit_Type); Excite.SetAttribute("f0",f0); Excite.SetAttribute("fc",fc); 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); openEMS.InsertEndChild(FDTD_Opts); if (CSX.Write2XML(&openEMS,true)==false) { cerr << "writing failed" << endl; exit(-1); } doc.InsertEndChild(openEMS); doc.SaveFile(); } void BuildHelix(const char* filename) { int maxIter = 5e5; double f0=0.5e9; double fc=0.5e9; int Excit_Type=0; int bounds[] = {1,1,1,1,1,1}; cerr << "Create Helix Geometry..." << endl; ContinuousStructure CSX; double feed_length=10; double wire_rad = 0.7; double coil_rad = 10; double coil_length = 50; int coil_turns = 8; double delta[] = {0.5,0.5,0.5}; CSPrimBox* box = NULL; ParameterSet* PS = CSX.GetParameterSet(); PS->AddParameter(new Parameter("rad_coil",coil_rad)); PS->AddParameter(new Parameter("rad_wire",wire_rad)); PS->AddParameter(new Parameter("turns",coil_turns)); PS->AddParameter(new Parameter("coil_length",coil_length)); CSPropMaterial* copper = new CSPropMaterial(CSX.GetParameterSet()); copper->SetKappa(56e6); copper->SetName("copper"); CSX.AddProperty(copper); CSPrimUserDefined* helix = new CSPrimUserDefined(CSX.GetParameterSet(),copper); helix->SetCoordSystem(CSPrimUserDefined::CYLINDER_SYSTEM); helix->SetFunction("(r>(rad_coil-rad_wire))&(r0)&(zSetRadius(wire_rad); cyl->SetCoord(0,coil_rad); cyl->SetCoord(1,coil_rad+feed_length); cyl->SetCoord(2,0.0); cyl->SetCoord(3,0.0); cyl->SetCoord(4,0.0); cyl->SetCoord(5,0.0); CSX.AddPrimitive(cyl); cyl = new CSPrimCylinder(CSX.GetParameterSet(),copper); cyl->SetRadius(wire_rad); cyl->SetCoord(0,coil_rad); cyl->SetCoord(1,coil_rad+feed_length); cyl->SetCoord(2,0.0); cyl->SetCoord(3,0.0); cyl->SetCoord(4,coil_length); cyl->SetCoord(5,coil_length); CSX.AddPrimitive(cyl); double kappa_resist = (coil_length)/50/1e-3; CSPropMaterial* Src_Resist = new CSPropMaterial(CSX.GetParameterSet()); Src_Resist->SetKappa(kappa_resist,2); Src_Resist->SetIsotropy(false); Src_Resist->SetName("resist"); CSX.AddProperty(Src_Resist); box = new CSPrimBox(CSX.GetParameterSet(),Src_Resist); box->SetCoord(0,coil_rad+feed_length-0.5); box->SetCoord(1,coil_rad+feed_length+0.5); box->SetCoord(2,-0.5); box->SetCoord(3,0.5); box->SetCoord(4,0.0); box->SetCoord(5,coil_length);///2.0-delta[2]); CSX.AddPrimitive(box); // box = new CSPrimBox(CSX.GetParameterSet(),Src_Resist); // box->SetCoord(0,coil_rad+feed_length-0.5); box->SetCoord(1,coil_rad+feed_length+0.5); // box->SetCoord(2,-0.5); box->SetCoord(3,0.5); // box->SetCoord(4,coil_length/2.0+delta[2]); box->SetCoord(5,coil_length); // CSX.AddPrimitive(box); CSPropElectrode* elec = new CSPropElectrode(CSX.GetParameterSet()); elec->SetExcitation(1.0,2); elec->SetExcitType(0); // elec->SetDelay(2.0e-9); CSX.AddProperty(elec); box = new CSPrimBox(CSX.GetParameterSet(),elec); box->SetCoord(0,coil_rad+feed_length+0.5); box->SetCoord(1,coil_rad+feed_length-0.5); box->SetCoord(2,-0.5); box->SetCoord(3,0.5); box->SetCoord(4,0.0); box->SetCoord(5,coil_length); CSX.AddPrimitive(box); // CSPropMetal* elec_mat = new CSPropMetal(CSX.GetParameterSet()); // CSX.AddProperty(elec_mat); // box = new CSPrimBox(CSX.GetParameterSet(),elec_mat); // box->SetCoord(0,coil_rad+feed_length+0.5); box->SetCoord(1,coil_rad+feed_length-0.5); // box->SetCoord(2,-0.5); box->SetCoord(3,0.5); // box->SetCoord(4,coil_length/2.0-delta[2]); box->SetCoord(5,coil_length/2.0+delta[2]); // CSX.AddPrimitive(box); CSPropDumpBox* Edump = NULL; //E-field dump xz Edump = new CSPropDumpBox(CSX.GetParameterSet()); Edump->SetDumpType(0); Edump->SetDumpMode(0); Edump->SetName("Et_xz_"); CSX.AddProperty(Edump); box = new CSPrimBox(CSX.GetParameterSet(),Edump); box->SetCoord(0,coil_rad/-1.0-25.0);box->SetCoord(1,coil_rad/1.0+25.0+feed_length); box->SetCoord(2,0.0);box->SetCoord(3,0.0); box->SetCoord(4,-25.0);box->SetCoord(5,coil_length+25.0); CSX.AddPrimitive(box); CSPropDumpBox* Hdump = NULL; //H-field dump xz Hdump = new CSPropDumpBox(CSX.GetParameterSet()); Hdump->SetDumpType(1); Hdump->SetDumpMode(0); Hdump->SetName("Ht_xz_"); CSX.AddProperty(Hdump); box = new CSPrimBox(CSX.GetParameterSet(),Hdump); box->SetCoord(0,coil_rad/-1.0-25.0);box->SetCoord(1,coil_rad/1.0+25.0+feed_length); box->SetCoord(2,0.0);box->SetCoord(3,0.0); box->SetCoord(4,-25.0);box->SetCoord(5,coil_length+25.0); CSX.AddPrimitive(box); // // //E-field dump xy // Edump = new CSPropDumpBox(CSX.GetParameterSet()); // Edump->SetDumpType(0); // Edump->SetName("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("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("u1"); CSX.AddProperty(volt); box = new CSPrimBox(CSX.GetParameterSet(),volt); box->SetCoord(0,coil_rad+feed_length);box->SetCoord(1,coil_rad+feed_length); box->SetCoord(2,0.0);box->SetCoord(3,0.0); box->SetCoord(4,coil_length);box->SetCoord(5,0.0); CSX.AddPrimitive(box); //current calc double curr_dist = 1; CSPropProbeBox* curr = new CSPropProbeBox(CSX.GetParameterSet()); curr->SetProbeType(1); curr->SetName("i1"); CSX.AddProperty(curr); box = new CSPrimBox(CSX.GetParameterSet(),curr); box->SetCoord(0,coil_rad+feed_length-curr_dist);box->SetCoord(1,coil_rad+feed_length+curr_dist); box->SetCoord(2,-curr_dist);box->SetCoord(3,curr_dist); box->SetCoord(4,coil_length/2.0);box->SetCoord(5,coil_length/2.0); CSX.AddPrimitive(box); CSRectGrid* grid = CSX.GetGrid(); double offset[]={coil_rad/-1.0,coil_rad/-1.0,0.0}; //graded mesh for (int n=0;n<3;++n) { grid->AddDiscLine(n,offset[n] - 25.0); grid->AddDiscLine(n,offset[n] - 15.0); grid->AddDiscLine(n,offset[n] - 10.0); grid->AddDiscLine(n,offset[n] - 5.0); grid->AddDiscLine(n,offset[n] - 2.0); grid->AddDiscLine(n,offset[n] - 1.0); grid->AddDiscLine(n,offset[n] - 0.5); } for (double n=coil_rad/-1.0;n<=coil_rad;n+=delta[0]) grid->AddDiscLine(0,n); //feeding mesh grid->AddDiscLine(0,coil_rad+0.5); grid->AddDiscLine(0,coil_rad+1); grid->AddDiscLine(0,coil_rad+2); grid->AddDiscLine(0,coil_rad+3.5); grid->AddDiscLine(0,coil_rad+5); grid->AddDiscLine(0,coil_rad+7); grid->AddDiscLine(0,coil_rad+8); grid->AddDiscLine(0,coil_rad+9); grid->AddDiscLine(0,coil_rad+9.5); grid->AddDiscLine(0,coil_rad+10); for (double n=coil_rad/-1.0;n<=coil_rad;n+=delta[1]) grid->AddDiscLine(1,n); for (double n=0.0;n<=coil_length;n+=delta[2]) grid->AddDiscLine(2,n); offset[0]=coil_rad+feed_length; offset[1]=coil_rad; offset[2]=coil_length; for (int n=0;n<3;++n) { grid->AddDiscLine(n,offset[n] + 0.5); grid->AddDiscLine(n,offset[n] + 1.0); grid->AddDiscLine(n,offset[n] + 2.0); grid->AddDiscLine(n,offset[n] + 3.0); grid->AddDiscLine(n,offset[n] + 5.0); grid->AddDiscLine(n,offset[n] + 7.5); grid->AddDiscLine(n,offset[n] + 10.0); grid->AddDiscLine(n,offset[n] + 15.0); grid->AddDiscLine(n,offset[n] + 25.0); grid->Sort(n); } grid->SetDeltaUnit(1e-3); //*************** Create XML file ********************** TiXmlDocument doc(filename); doc.InsertEndChild(TiXmlDeclaration("1.0","ISO-8859-1","yes")); TiXmlElement openEMS("openEMS"); TiXmlElement FDTD_Opts("FDTD"); FDTD_Opts.SetAttribute("NumberOfTimesteps",maxIter); TiXmlElement Excite("Excitation"); Excite.SetAttribute("Type",Excit_Type); Excite.SetAttribute("f0",f0); Excite.SetAttribute("fc",fc); 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); openEMS.InsertEndChild(FDTD_Opts); if (CSX.Write2XML(&openEMS,true)==false) { cerr << "writing failed" << endl; exit(-1); } doc.InsertEndChild(openEMS); doc.SaveFile(); }