Structural analysis vacuum chamber 2

[RochaVac]

Hi everyone!

I'm performing a structural analysis in ANSYS Workbench 13.0 to better predict stresses and deformations in vacuum chambers.

Basically, imagine a circular tube welded to flanges in both ends.

I'm using a fixed support as the constraint in both ends and a pressure of 1bar applied at the outer surface of the chamber. However, I'm not sure with the fixed support is the better option in this case.

I would really appreciate if you could give me you point of view about this model.

Thanks a lot!!

 

[ishvaaag]

The external pressure will act in all the outer surfaces of the confining vessel, so I don't think assuming fixity at ends can give the best of FEM. I would follow the geometry and materials present in the outfit to get the most useful results.

 

[rb1957]

ie model the endcaps and restrain the problem somewhere reomte from the region of interest