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test_rec_WG.m
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test_rec_WG.m
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% test_microstrip_line.m
% test_horn_antenna.m
warning off;
clc
clear
close all
pkg load geometry
pkg load miscellaneous
modelerPath = './Modeler_2D';
mesherPath = '../mesh2d';
meshWrapperPath = './Mesh_2D';
solver2DPath = './Solver_2D';
solver1DPath = './Solver_1D';
miscPath = './misc';
addpath(modelerPath);
addpath(genpath(mesherPath));
addpath(meshWrapperPath);
addpath(solver2DPath);
addpath(solver1DPath);
addpath(miscPath);
% Simulation properties
simProps = cem2D_createSimPropsStruct(...
'fMin',1,...
'fMax',3.5,...
'polarizationType','TE');
% Global mesh properties
meshProps = mesh2D_createMeshPropsStruct(...
'relWLmeshMax',0.1, ...
'boundingBoxAddSpace',1, ...
'algorithmType','delfront',...
'maxRadiusEdgeRatio',1.5);
% Unless overridden, f_sim will be set to the average between fMin and fMax
% f_sim = 3;
% Line Properties
WG_H = 55;
WG_W = 110;
WG_Box = mod2D_createRectangleStruct([-0.5*WG_W 0],[0.5*WG_W WG_H]);
% Create the materials for this simulation
material_default = cem2D_createMaterialDefs;
material_PEC = cem2D_createMaterialDefs('name','PEC','type','PEC');
%material_FR4 = cem2D_createMaterialDefs('name','FR4','type','normal','er',4.3);
% Create the material list with only the default material
materialList = cem2D_addMaterialToList(material_default);
materialList = cem2D_addMaterialToList(material_PEC,materialList);
%materialList = cem2D_addMaterialToList(material_FR4,materialList);
% Create polygon list
polList = {WG_Box};
% Assign materials per-shape
materialAssignement = {'default'};
%%%%%%%%%%%%%%%%%%%%%
% Plot the geometry %
%%%%%%%%%%%%%%%%%%%%%
figHdl = figure;
axHdl = axes;
mod2D_showPolygon(axHdl,WG_Box,[1 1 1],[0 0 0]);
set(gca,'fontsize',14);
xlabel('x [mm]','fontsize',16);
ylabel('y [mm]','fontsize',16);
%%%%%%%%%%%%%%%%%%%%%
% Plot the geometry %
%%%%%%%%%%%%%%%%%%%%%
lineList = {};
% Test mesh of bounding box
meshData = mesh2D_generateInitialMesh(...
polList,... % Entire polygon list. This is mainly to calculate the maximum\minimum edge length
lineList,... % List of lines. Used for porst, mainly.
materialAssignement,... % Material assignments for initial LFS assignment
materialList,... % Corresponding material properties
meshProps,... % Darrens Mesher properties
simProps); % Simulation properties. This is to assign spatial meshing rules, most
% Smooth the mesh
meshData = mesh2D_smoothMesh(meshData,meshProps);
if exist('f_sim','var')
if isempty(f_sim)
f_sim = 0.5*(simProps.fMin + simProps.fMax);
end
else
f_sim = 0.5*(simProps.fMin + simProps.fMax);
end
%[fc_TE,fc_TM,Et,Ez,edgeTriplets] = cem2D_calcPortModes(meshData,meshProps,materialList,materialAssignement,simProps,f_sim);
[fc_TE,fc_TM,Et,Ez,edgeTriplets] = cem2D_calcModesByCutoff(meshData,meshProps,materialList,materialAssignement,simProps);
%%[fc_TE,fc_TM,Ete,Htm,edgeTriplets] = cem2D_calcModesByCutoff_TETM(meshData,meshProps,materialList,materialAssignement,simProps);
fc_large_idxs = find(fc_TE > 1e9);
c0 = physical_constant('speed of light in vacuum');
kc_TE = 2*pi*fc_TE/c0;
kc_TM = 2*pi*fc_TM/c0;
ref_TE = kc_TE*(WG_W/1000);
ref_TM = kc_TM*(WG_W/1000);
hold(axHdl,'on');
for tIdx = unique(meshData.tnum).'
patch('faces',meshData.tria(meshData.tnum == tIdx,1:3),'vertices',meshData.vert, ...
'facecolor','none', ...
'edgecolor',[0,0,0]) ;
end
%hold on;
%for eIdx = unique(meshData.etri(:))
% plot(meshData.vert(eIdx,1),meshData.vert(eIdx,2),'.r','markersize',10);
%end
%hold off;
[Xm,Ym] = meshgrid(linspace(-0.5*WG_W,0.5*WG_W,25),linspace(0,WG_H,15));
EI = cem2D_vectorElementInterp(...
meshData.vert,...
meshData.tria,...
edgeTriplets,...
Et(:,fc_large_idxs(1)));
Exy = EI(Xm,Ym);
qHdl = quiver(Xm(:),Ym(:),abs(Exy(:,1)),abs(Exy(:,2)));
set(qHdl,'color',[1 0 0]);
hold(axHdl,'off');
warning off;