roarks/plate question

[delagina]

I have Roarks but not sure what formula to use for this case or how to approach this. Can I assume fixed 4 sides and just calculate the plate thickness but how do I check the stack/cylinder thickness and/or their composite action with plate.

 

[WARose]

Looks like more of a job for a pressure vessel handbook than Roark's. Bednar's handbook will let you check that.