close all; clear all; clc abs_length = 250; length = 1000; width = 500; height = 250; MSL_width = 50; MSL_height = 10; mesh_res = [5 5 10]; 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']; Sim_Path = 'tmp'; Sim_CSX = 'msl.xml'; mkdir(Sim_Path); %setup FDTD parameter FDTD = InitFDTD(5e5,1e-6); FDTD = SetGaussExcite(FDTD,0.5e9,0.5e9); BC = [1 1 0 1 0 0]; FDTD = SetBoundaryCond(FDTD,BC); %setup CSXCAD geometry CSX = InitCSX(); mesh.x = -width/2 : mesh_res(1) : width/2; mesh.y = [linspace(0,MSL_height,11) MSL_height+1 MSL_height+3 MSL_height+mesh_res(2):mesh_res(2):height]; mesh.z = 0 : mesh_res(3) : length; CSX = DefineRectGrid(CSX, 1e-3,mesh); %%% MSL CSX = AddMaterial(CSX,'copper'); CSX = SetMaterialProperty(CSX,'copper','Kappa',56e6); start = [-0.5*MSL_width, MSL_height , 0];stop = [0.5*MSL_width, MSL_height+1 , length]; CSX = AddBox(CSX,'copper',0 ,start,stop); start = [-0.5*MSL_width, 0 , 0];stop = [0.5*MSL_width, MSL_height , mesh_res(1)/2]; CSX = AddExcitation(CSX,'excite',0,[0 -1 0]); CSX = AddBox(CSX,'excite',0 ,start,stop); %%%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 = [mesh.x(1) mesh.y(1) length-abs_length]; stop = [mesh.x(end) mesh.y(end) length]; CSX = AddBox(CSX,'pml',0 ,start,stop); %dump CSX = AddDump(CSX,'Et_','DumpMode',2); start = [mesh.x(1) , MSL_height/2 , mesh.z(1)]; stop = [mesh.x(end) , MSL_height/2 , mesh.z(end)]; CSX = AddBox(CSX,'Et_',0 , start,stop); CSX = AddDump(CSX,'Ht_','DumpType',1,'DumpMode',2); CSX = AddBox(CSX,'Ht_',0,start,stop); %voltage calc CSX = AddProbe(CSX,'ut1',0); start = [ 0 MSL_height length/2 ];stop = [ 0 0 length/2 ]; CSX = AddBox(CSX,'ut1', 0 ,start,stop); %current calc CSX = AddProbe(CSX,'it1',1); start = [ -MSL_width MSL_height/2 length/2 ];stop = [ MSL_width MSL_height*1.5 length/2 ]; CSX = AddBox(CSX,'it1', 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);