Hi Everybody,

My question is regarding transformation of results from rectangular coordinate system to cylindrical coordinate system. I created quarter symmetric cylinder model and I wanted to see results in cylindrical coordinate system. I have defined origin of the cylindrical coordinate system at the center of the cylinder cross section. When I see output for COORDS->COOR1 (which is the radial coordinates in cylindrical coordinate system), I am getting some weird output (see the attached picture). Ideally, we should expect concentrated contours of colors in output display. With 90 deg. angular rotation, radial co-ordinates are changing from +4.76 to -6.35 in the same plane along the circumference of the cylinder. How is it possible? Can somebody please explain this discrepancy?  

Any help would be appreciated,

Thanks,

Nik

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