Problem of Bending PEC waveguide in FDTD

Hello,

I am working in the 2D bending (90 degree) PEC waveguide problem...
but got wrong result of transmission.

Are there any examples codes?

Please Help me!

Thanks a lot

If you describe in a bit more detail what you did it should be possible to tell you what went wrong.
Example programs don't help much if you don't know how to use them/what conditions have to be
satisfied. As a first step you could post the size/diameter of the wave guide, the frequency of the
signal (or the shape of the pulse) you put in, the cell size you used, what result you got and why
you think it is wrong.

i haveonly for a waveguide fdtd codes but i must investigate codes for setup similar what you want

You first said: "I got wrong results"

I said: "Describe what you do and why you think your results are wrong and we may be able to help you" and then you sent the above message which I do not really understand.

If you only want code I cannot help you. If you want an explanation why you get the wrong results and repair your program then the chances are reasonably good that I can help you provided you offer some details (not code but a description of the problem, the 'wrong' result and the reason why you think it is wrong)