friend,
In my own opinion friction forces must be
included in the system because this the worst
condition that will happened in a piping system and
compared the result without friction this is how to
check if which two cases has the worst case scenario.
hope it will give you some idea..
regards
gil
- KAUSTUBH JOSHI <kvj@epc.ltindia.com> wrote:
> Hello All,
>
> A few days ago, a world known consultancy & EPC
> company suggested us the following:
>
> 1) While performing the static analysis (flexibility
> analysis) of the piping systems, it is not necessary
> to consider the friction forces. The friction forces
> are short time generated loads, and act on the
> system during the thermal expansion. The friction
> forces diappears after the thermal movement of the
> piping. That's why friction should be excluded from
> static piping stress analysis (flexibility
> analysis).
>
> 2) There will be no friction at the guide side
> surfaces or the limit stops. The friction will be
> there only for the resting supports.
>
> What are your views on these?
>
> Regards,
>
> Kaustubh
>
>
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Received on Mon Apr 21 02:17:00 2003