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%% setup the simulation physical_constants; unit = 1e-3; % all length in mm % horn width in x-direction horn.width = 45; % horn height in y-direction horn.height = 3.56; % horn length in z-direction horn.length = 40; horn.feed_length = 50; horn.thickness = 1; % horn opening angle in x, y horn.angle = [29.36 2.55]*pi/180; % size of the simulation box SimBox = [200 100 200]; % frequency range of interest f_start = 75e9; f_stop = 85e9; % frequency of interest f0 = 80e9; %waveguide TE-mode definition TE_mode = 'TE10'; a = 3.1; b = 1.5; % a = horn.width; % b = horn.height;
The model looks strange in that sense, that the side walls of the antenna are not visible and instead of that the wave guide is continued up to the aperture of the antenna. What is going wrong here in the model? Any suggestions are welcome.