70 lines
2.2 KiB
Matlab
70 lines
2.2 KiB
Matlab
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close all
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clear
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clc
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%% setup the simulation %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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length = 5000;
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width = 300;
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height = 200;
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mesh_res = 15;
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abs_length = mesh_res*10;
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EPS0 = 8.85418781762e-12;
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MUE0 = 1.256637062e-6;
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%% define openEMS options %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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=fastest'];
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Sim_Path = 'tmp';
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Sim_CSX = 'plane_wave.xml';
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if (exist(Sim_Path,'dir'))
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rmdir(Sim_Path,'s');
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end
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mkdir(Sim_Path);
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%% setup FDTD parameter & excitation function %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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FDTD = InitFDTD(5000,1e-5,'OverSampling',10);
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FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9);
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BC = [1 1 0 0 2 2];
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FDTD = SetBoundaryCond(FDTD,BC);
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%% setup CSXCAD geometry & mesh %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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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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%% apply the excitation %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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start=[-width/2 -height/2 mesh.z(3)];
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stop =[ width/2 height/2 mesh.z(3)];
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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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%% define dump boxes... %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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CSX = AddDump(CSX,'Et','FileType',1,'SubSampling','4,4,4');
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start = [mesh.x(1) , mesh.y(1) , mesh.z(1)];
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stop = [mesh.x(end) , mesh.y(end) , 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,'SubSampling','4,4,4','DumpMode',2);
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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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%% run openEMS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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RunOpenEMS(Sim_Path, Sim_CSX, openEMS_opts);
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%% do the plots %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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PlotArgs.slice = {mesh.x(round(end/2)) mesh.y(round(end/2)) mesh.z(round(end/2))};
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PlotArgs.pauseTime=0.01;
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PlotArgs.component=1;
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PlotArgs.Limit = 'auto';
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PlotHDF5FieldData('tmp/Ht.h5',PlotArgs)
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