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Cask design according ASME (drop test evaluating)

Cask design according ASME (drop test evaluating)

Cask design according ASME (drop test evaluating)

(OP)
Hello all.
May be you can help me with my problem.
I make strength evaluation for 9 m cask drop test fem simulation. In 2001 edition of ASME sec. III div. 3 there is not rules for inelastic analysis procedure (wb-3227).
It is easy to understand that elastic analysis rules are not applicable for impact site of cask (It is not a good idea to use elastic analysis for drop test simulation). But I think that deformations should be limited at impact site of cask.
I can not find any evaluating rules in other regulatory documents.
Did somebody read the new version of ASME BPWC sec. III div. 3?  Or may be you know other regulatory that can help me.

RE: Cask design according ASME (drop test evaluating)

poloz-

I had the pleasure of watching a PhD structural engineer fool around with cask drop calc's. I'm just glad I didn't have to do the calc's myself. 'Course, that was in the days when a 486 was a pretty hot machine, and we were able to justify buying an SGI to do the cask drop calc's. From what I recall, the deformation wasn't limited to only the impact zone.

What I'd recommend is that you get some papers published at the ASME Pressure Vessels and Piping conferences. This year's preliminary program listing is at http://www.asmeconferences.org/pvp2004/prelimprogram2.pdf. Looks like block 2.4I might have some applicable papers presented in it (all of the x.xI sessions relate to transportation, storage, and disposal of radioactive materials. You can get details on the papers to be presented at http://www.asmeconferences.org/pvp2004/prelimprogram3.pdf.

jt

RE: Cask design according ASME (drop test evaluating)

(OP)
jte-
Great thanks for the links.
About limiting deformations - it is clear that I should use some criteria for evaluating other zones. But criteria for other zones are well-known and understandable.
Evaluation for impact zone is not clear – due it localization and compression nature.

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