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