84 lines
2.1 KiB
Matlab
84 lines
2.1 KiB
Matlab
close all;
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clear all;
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clc
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abs_length = 250;
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length = 4000;
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width = 1000;
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height = 1000;
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mesh_res = 25;
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EPS0 = 8.85418781762e-12;
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MUE0 = 1.256637062e-6;
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openEMS_Path = [pwd() '/../../']
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openEMS_opts = '';
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% openEMS_opts = [openEMS_opts ' --disable-dumps'];
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% openEMS_opts = [openEMS_opts ' --debug-material'];
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openEMS_opts = [openEMS_opts ' --engine=multithreaded'];
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Sim_Path = 'tmp';
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Sim_CSX = 'plane_wave.xml';
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mkdir(Sim_Path);
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%setup FDTD parameter
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FDTD = InitFDTD(5e5,1e-6);
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FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9);
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BC = [1 1 0 0 0 0];
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FDTD = SetBoundaryCond(FDTD,BC);
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%setup CSXCAD geometry
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CSX = InitCSX();
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mesh.x = -width/2 : mesh_res : width/2;
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mesh.y = -height/2 : mesh_res : height/2;
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mesh.z = 0 : mesh_res : length;
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CSX = DefineRectGrid(CSX, 1e-3,mesh);
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%%%fake pml
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finalKappa = 0.3/abs_length^4;
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finalSigma = finalKappa*MUE0/EPS0;
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CSX = AddMaterial(CSX,'pml');
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CSX = SetMaterialProperty(CSX,'pml','Kappa',finalKappa);
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CSX = SetMaterialProperty(CSX,'pml','Sigma',finalSigma);
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CSX = SetMaterialWeight(CSX,'pml','Kappa',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
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CSX = SetMaterialWeight(CSX,'pml','Sigma',['pow(abs(z)-' num2str(length-abs_length) ',4)']);
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start=[-width/2 -height/2 length-abs_length];
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stop=[width/2 height/2 length];
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CSX = AddBox(CSX,'pml',0 ,start,stop);
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start=[-width/2 -height/2 0];
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stop=[width/2 height/2 0];
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CSX = AddExcitation(CSX,'excite',0,[0 1 0]);
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CSX = AddBox(CSX,'excite',0 ,start,stop);
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%dump
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CSX = AddDump(CSX,'Et','FileType',1);
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start = [mesh.x(1) , 0 , mesh.z(1)];
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stop = [mesh.x(end) , 0 , mesh.z(end)];
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CSX = AddBox(CSX,'Et',0 , start,stop);
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CSX = AddDump(CSX,'Ht','DumpType',1,'FileType',1);
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CSX = AddBox(CSX,'Ht',0,start,stop);
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%Write openEMS compatoble xml-file
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WriteOpenEMS([Sim_Path '/' Sim_CSX],FDTD,CSX);
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%cd to working dir and run openEMS
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savePath = pwd();
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cd(Sim_Path); %cd to working dir
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command = [openEMS_Path 'openEMS.sh ' Sim_CSX ' ' openEMS_opts];
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disp(command);
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system(command)
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cd(savePath);
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% plotting
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PlotArgs.plane='zx';
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PlotArgs.pauseTime=0.01;
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PlotArgs.component=2;
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PlotArgs.zlim='auto';
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PlotHDF5FieldData('tmp/Et.h5',PlotArgs)
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