80 lines
2.7 KiB
Matlab
80 lines
2.7 KiB
Matlab
clc
|
|
clear all
|
|
%Ridge waveguide with port boundary conditions
|
|
|
|
%Read mesh data
|
|
%Nodes Elements Domains Faces FacesIndex
|
|
tic
|
|
%MeshDatax 9w MeshDataxx 14w
|
|
load MeshDataxx.mat
|
|
Mesh.Nodes=Mesh.Nodes*1e-6;
|
|
% Mesh.Nodes(:,3)=Mesh.Nodes(:,3)*10;
|
|
Mesh.NbrNodes=length(Mesh.Nodes); %number of vertices
|
|
Mesh.NbrElements=length(Mesh.Elements);%number of elements
|
|
disp('the time taken of read mesh data: ');
|
|
toc
|
|
|
|
%Physical model
|
|
tic
|
|
%Physical variables
|
|
Physic.ff0=3e10;
|
|
Physic.c_const=299792458;%The speed of light in vacuum
|
|
Physic.lam0=Physic.c_const/Physic.ff0;%wavelength
|
|
Physic.k0=2*pi/Physic.lam0;%wavevector
|
|
Physic.omega=2*pi*Physic.c_const/Physic.lam0;
|
|
Material.temp=1/Physic.k0*120*pi;
|
|
disp('The time taken of physical model');
|
|
toc
|
|
|
|
%Port solving
|
|
tic
|
|
%solver settings
|
|
Port1Solver.targetNeff=3.6;
|
|
Port1Solver.modeNum=1;
|
|
Port1Solver.lam0=Physic.lam0;
|
|
Port1Solver.type=1;%input port
|
|
Port2Solver.targetNeff=3.6;
|
|
Port2Solver.modeNum=1;
|
|
Port2Solver.lam0=Physic.lam0;
|
|
Port2Solver.type=2;%output port
|
|
%Port1
|
|
Port1Mesh=GetBMesh(Mesh.Nodes,Mesh.Faces,Mesh.FacesIndex,Physic.Port1);
|
|
[Port1Solver,Port1Mesh]=BoundaryEigenMode(Port1Mesh,Physic,Material,Port1Solver);
|
|
Port1Solver=GetPowerCoef(Port1Solver,Port1Mesh,Material.murF,1);%Compute normalized electric field intensity coefficient
|
|
Plot2Dfield(Port1Mesh,Port1Solver.modeNum,Port1Solver.normE*Port1Solver.powerCoef,Port1Solver.neff,1,0.5);%Plot electric field intensity
|
|
Port1Mesh.normal=[0;0;-1];
|
|
%Port2
|
|
Port2Mesh=GetBMesh(Mesh.Nodes,Mesh.Faces,Mesh.FacesIndex,Physic.Port2);
|
|
[Port2Solver,Port2Mesh]=BoundaryEigenMode(Port2Mesh,Physic,Material,Port2Solver);
|
|
% Plot2Dfield(Port2Mesh,Port2Solver.modeNum,Port2Solver.normE,Port2Solver.neff,2,0.5);%Plotting electric field intensity
|
|
Port2Mesh.normal=[0;0;1];
|
|
disp('The time taken of port solving');
|
|
toc
|
|
|
|
%Matrix assembly and solution
|
|
[Solver,Mesh]=FemMatrixAssembly2(Physic,Material,Mesh,...
|
|
Port1Mesh,Port1Solver,Port2Mesh,Port2Solver);
|
|
|
|
AllFaces=GetBMesh(Mesh.Nodes,Mesh.Faces,Mesh.FacesIndex,...
|
|
[Physic.Port1,Physic.Port2,Physic.PEC]);
|
|
|
|
%plot electric field intensity
|
|
tic
|
|
[Ex,Ey,Ez,normE]=GetBWExEyEz2(1,Mesh.Nodes,Mesh.Elements,Mesh.EdgesOfElements,Solver.Et,Port1Solver.gamma);
|
|
In=plotE2(Mesh.Nodes,Port1Mesh.OldFaces,Mesh.AllFaces,Mesh.FacesOfElements,normE,4,0.5);
|
|
Out=plotE2(Mesh.Nodes,Port2Mesh.OldFaces,Mesh.AllFaces,Mesh.FacesOfElements,normE,5,0.5);
|
|
Scale=Out/In;
|
|
S11=Solver.e1/abs(Port1Solver.powerCoef);
|
|
S21=Solver.e2/abs(Port1Solver.powerCoef);
|
|
disp('The time taken of plotting electric field intensity ');
|
|
toc
|
|
|
|
%plot electric field intensity
|
|
% tic
|
|
% In=plotE(Mesh.Nodes,Port1Mesh.OldFaces,Solver.normE,4,0.5);
|
|
% Out=plotE(Mesh.Nodes,Port2Mesh.OldFaces,Solver.normE,5,0.5);
|
|
% Scale=Out/In;
|
|
% disp('The time taken of plotting electric field intensity ');
|
|
% toc
|
|
|