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