Section VIII Division 2 Part 6 Table 6.1
Section VIII Division 2 Part 6 Table 6.1
(OP)
Does anybody have any experience with the first item in Table 6.1? I'm having trouble figuring out the definitions for the diameters and how they relate to the part I'm analyzing.





RE: Section VIII Division 2 Part 6 Table 6.1
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RE: Section VIII Division 2 Part 6 Table 6.1
I suspect that this formula is intended for a specific type of geometry and may not apply to my case. A picture or two in the code would go a long way to clearing this up, but I don't see one. As an alternative, I am looking at calculating two strains, one for each radius, with the cylinder formula and treating them as principle strains and calculating the equivilent strain. I need this for an elastic-plastic local failure assessment 5.3.3.1, which is based on equivilent total strain. This approach is not rigorous, but produces convienently believable numbers. How rigorous is finding a largely plastic strain with a simple hand calculation? I assume the cylinder formula in Table 6.1 gives uniaxial strain (hoop strain). So the code is not rigourous either, mixing equivilent and uniaxial strains. I have a little freedom here. The cavity is vacuum loaded, triple protected from accendental over pressure, and will not be code stamped. We use the BPVC for lack of anything better. It's recognized that Niobium is not a code material, and we do a fair amount of conjuring and hand waving to get this far.
Any help or insight you can give would be appreciated.
RE: Section VIII Division 2 Part 6 Table 6.1
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RE: Section VIII Division 2 Part 6 Table 6.1
RE: Section VIII Division 2 Part 6 Table 6.1
RE: Section VIII Division 2 Part 6 Table 6.1
RE: Section VIII Division 2 Part 6 Table 6.1
RE: Section VIII Division 2 Part 6 Table 6.1
Want to know the do's and don'ts of Eng-Tips? Read FAQ731-376: Eng-Tips.com Forum Policies.
English not your native language? Looking for some help in getting your question across to others or understanding their answers? Go to forum1529: Translation Assistance for Engineers.