Please help me if you know.
I need to simulate a thick tube suffers internal pressure. Assume that there is not deformation in thickness direction.
How to impose the symmetric boundary conditions when I simulate a part 10° of the tube (only 10°, not 90° )?
In Feap 7.5, is there the quadratic hexahedral element (20 nodes)?
Best regards,
NH Nguyen.
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