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Stress analysis of flexible vacuum insulated pipe.

Stress analysis of flexible vacuum insulated pipe.

Stress analysis of flexible vacuum insulated pipe.

(OP)
Hi all,

I have to carry out a stress analysis for a cryogenic network made of flexible vacuum insulated pipes.

The structural integrity under thermal and seismic loading has to be checked. Normally these kind of analysis are performed following a piping code that gives acceptance criteria and guidance to perform the analysis. For a "conventional" rigid piping system, a beam theory approach is usual, and there are a lot of software applications available to do it (Caesar II, Autopipe, Rohr, etc).

However, neither ASME nor EN codes address this kind of pipes, nor the mentioned software is able to deal with them.

Does anyone have experience in somewhat similar?

Thanks for your replies

RE: Stress analysis of flexible vacuum insulated pipe.

Then propose to do the analysis and submit your results. Apparently there will be no code compliance check, but you will have the stresses.

What would you be doing, if you knew that you could not fail?

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