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Any suggestions regarding FEA programs to purchase? My typical application is attaching structural members (such as platforms, lifting lugs, trunnions, pipe supports, etc.) to the sides of pressure vessels. Would like to evaluate the stresses induced in the shell from these attachments. Thanks...

Thanks for the input regarding the Mathcad add-in for Excel. Meintsi, I am using Mathcad 2000 (not 2001), so perhaps that is where the problem exists. I contacted Jacqui Cheswick at Mathsoft to report the problem and she told me that they were aware of it. I would appreciate, however, any...

The answer, in general, may depend upon the state in which you are practicing. For example,in Louisiana, the Engineer of Record who seals the drawing is certifying that he(or she) has personally performed the work or that the work was done under their "direct supervision". As such...

Can anyone outline a procedure (or refer me to some literature) for the design of lifting lugs, trunnions, and re-pads for vessels?

What does this have to do with Mathcad? I checked out your post - I was unable to download anything, and I do not understand what the connection is to Mathcad.

Check out their web site at www.reiworld.com for software availability.

Tony, The deflection at the top of the stack is 0.24892" (approx. 1/4"), based upon the data you posted.