I would like to assign wavegiude port in CST for '' bent antenna design'' but it does not work and this message below appear when I run simulation (Waveguide ports must be aligned with cartesian coordinate planes for the transient solver.) does anyone know how I can deal with that problem and what's the solution for? Thanks in advance.
u try to use a rotated coordinate system with the rotated geometry. probably it will solve ur problem.
I had this problem with a microstrip splitter. I had to add a bend on each arm to get the port parallel to one of the axis planes (i.e. xyplane, yz plane xz plane). The solution suggested by Anuraag Misra may work - I didn't think of trying that.
Make your feed line longer and put a bend in it (perhaps the reflection of the bend to the patch) so that the port end is perpendicular to one of the axes.
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