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CylinderCoords example using r=0 / cleanup

pull/1/head
Thorsten Liebig 2010-04-13 20:06:06 +02:00
parent ebff88207d
commit 5314235474
2 changed files with 122 additions and 1 deletions
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2
FDTD/operator_cylinder.cpp
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@ -139,7 +139,7 @@ int Operator_Cylinder::CalcECOperator()
C+=inEC[0];
G+=inEC[1];
}
cerr << C << " and " << G << endl;
// cerr << C << " and " << G << endl;
vv_R0[pos[2]] = (1-dT*G/2/C)/(1+dT*G/2/C);
vi_R0[pos[2]] = (dT/C)/(1+dT*G/2/C);
}

121
matlab/examples/Circ_Waveguide_CylinderCoords.m Normal file
View File

@ -0,0 +1,121 @@
close all;
clear all;
clc
abs_length = 500;
length = 5000;
unit = 1e-3;
rad = 300;
mesh_max = 15;
N_alpha = ceil(rad * 2*pi / mesh_max);
mesh_res = [mesh_max 2*pi/N_alpha mesh_max];
EPS0 = 8.85418781762e-12;
MUE0 = 1.256637062e-6;
C0 = 1/sqrt(EPS0*MUE0);
f0 = 400e6;
p11 = 1.841;
kc = p11 / rad /unit;
k = 2*pi*f0/C0;
fc = C0*kc/2/pi
beta = sqrt(k^2 - kc^2);
kc = kc*unit;
func_Er = [ num2str(-1/kc^2) '/rho*cos(a)*j1(' num2str(kc) '*rho)'];
func_Ea = [ num2str(1/kc) '*sin(a)*0.5*(j0(' num2str(kc) '*rho)-jn(2,' num2str(kc) '*rho))'];
openEMS_Path = [pwd() '/../../']
openEMS_opts = '';
% openEMS_opts = [openEMS_opts ' --disable-dumps'];
% openEMS_opts = [openEMS_opts ' --debug-material'];
% openEMS_opts = [openEMS_opts ' --debug-operator'];
% openEMS_opts = [openEMS_opts ' --engine=multithreaded'];
Sim_Path = 'tmp';
Sim_CSX = 'Circ_WG_CC.xml';
mkdir(Sim_Path);
%setup FDTD parameter
FDTD = InitCylindricalFDTD(1e5,1e-5,'OverSampling',10);
T = 1/f0;
FDTD = SetCustomExcite(FDTD,f0,[ '(1-exp(-1*(t/' num2str(T) ')^2) ) * sin(2*pi*' num2str(f0) '*t)' ]);
BC = [0 0 0 0 0 0];
FDTD = SetBoundaryCond(FDTD,BC);
%setup CSXCAD geometry
CSX = InitCSX();
mesh.x = [0 2*mesh_res(1):mesh_res(1):rad];
mesh.y = linspace(-pi,pi,N_alpha);
mesh.z = 0 : mesh_res(3) : length;
CSX = DefineRectGrid(CSX, 1e-3,mesh);
start = [0 mesh.y(1) length-abs_length];
stop = [rad mesh.y(end) length];
%%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)']);
CSX = AddBox(CSX,'pml',0 ,start,stop);
CSX = AddExcitation(CSX,'excite',0,[1 1 0]);
weight{1} = func_Er;
weight{2} = func_Ea;
weight{3} = 0;
CSX = SetExcitationWeight(CSX, 'excite', weight );
start(3)=-5;
stop(3)=5;
CSX = AddBox(CSX,'excite', 5 ,start,stop);
%dump
CSX = AddDump(CSX,'Et','FileType',0,'DumpMode',0);
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',0,'DumpMode',0);
start = [mesh.x(1) ,0 , mesh.z(1)];
stop = [mesh.x(end) , 0 , mesh.z(end)];
CSX = AddBox(CSX,'Ht',0 , start,stop);
%voltage calc
CSX = AddProbe(CSX,'ut_exc',0);
start = [ 0 0 0 ];stop = [ rad 0 0 ];
CSX = AddBox(CSX,'ut_exc', 0 ,start,stop);
CSX = AddProbe(CSX,'ut_1',0);
start = [ 0 0 length/2 ];stop = [ rad 0 length/2 ];
CSX = AddBox(CSX,'ut_1', 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);
UI = ReadUI('ut_1','tmp/');
plot(UI.TD{1}.t,UI.TD{1}.val);
grid on;
% plotting
% if exist('tmp/Et.h5','file')
% PlotArgs.slice = {mesh.x(round(end/2)) mesh.y(round(end/2)) mesh.z(round(end/2))};
% PlotArgs.pauseTime=0.1;
% PlotArgs.component=0;
% PlotArgs.zlim='auto';
%
% PlotHDF5FieldData('tmp/Et.h5',PlotArgs)
% end