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Hi
The restrains, do not seem to be very well defined perhaps – but one issue is the pressure load (sf) sf,all,PRES,0 applies a 0 pressure which is not what one uses as a load (zero loads), and it applies it to the sides as well as the top –Â
so go through the command reference (e.g., sf command) and some simple apdl examples and then try to understand what you want to do and then how to do it using apdl – I would suggest to do this in workbench, where it is much easier.
Finally go through one of our courses:
https://www.youtube.com/playlist?list=PLtt6-ZgUFmMKFfbOBhmCwG30KIVyvhDop
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If you are not able to open the links, refer to this forum discussion:Â How to access the ANSYS Online Help
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Hope that helps
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