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Becht Engineering Blog

In this section of the site contributing authors submit interesting articles relating to the various services, industries and research & development efforts of Becht Engineering.

Basics of Design By Analysis in ASME Section VIII, Division 2

How hard can it be?  I’ve heard from several (unnamed) analysts that because they have access to an FEA program and have successfully applied FEA in other fields, that FEA for pressure vessels should be a snap.  What is it about FEA for pressure vessels that makes it unique? I was recently discussing with another blogger regarding some distinctive aspects of performing Design By Analysis for pressure vessels.  We generated several questions, and so I decided to post this in a Question & Answer format. When do I have to use FEA in my pressure vessel design? The short answer here is that for most situations, you probably should not be using FEA to design your pressure vessel.  The rules for designing pressure vessels in ASME Section VIII, Division 1 and ASME Section VIII, Division 2 have a long history of successful application.  So, wherever possible, I would recommend that you...
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Recent Comments
Guest — Atreya

guidelines for boundary condit...

Dear Trevor, In Design by Analysis process, are there any guidelines regarding boundary conditions applied on the FE m... Read More
Saturday, 02 November 2019 00:12
Trevor Seipp

Re: Guidelines for Boundary Co...

There are no rules in the Code in this regard. That's because the Code is not a handbook. Good engineering practice should alway... Read More
Saturday, 02 November 2019 13:30
Guest — Dheeraj Narang


Trevor, Comprehensive and Well Written Blog ! I like the reference of three legged stool for FEA in pressure vessels. So true for ... Read More
Wednesday, 04 September 2019 04:45
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