Re: Welding Elbows

FEA = Finite Element Analysis, and requires a lot of computational power.

Piping Design Central can now do (within two weeks) your intensive engineering calcs.

Piping Design Central is now (within two weeks) running a dual Athlon, RAID 0, 512 MB RAM alternative for your piping design pleasure. Backup is provided by a relatively slow 120MB HD and CD/DVD ROM Drives. I don't really expect much response from the pipingdesign community since most of you have access to better hardware, but web browsing has suddenly become much faster.

Paul

• Original Message ----- From: "Christopher Wright" <chrisw@skypoint.com> To: "?" <PipingDesign@yahoogroups.com> Sent: Sunday, April 21, 2002 8:26 PM Subject: RE: [PipingDesign] Welding Elbows

> >With Christopher FEA results, perhaps the SIF pioneered by
Markl (in the
> >summer of 1955)will require adjustment in B31.3 (the SIF in
b31.1 now
> >appears to make more sense)
> Christopher's FEA results were for uniform heating only--no
external
> loads and no thermal gradients through the pipe wall. The stress
> intensification factors and the flexibility adjustments apply to
> particular external loads. The uniform temperature produces
deformation
> only with no stress. The fea model wasn't restrained, had that
been the
> case there would have been thermal stress.
>
> Christopher Wright P.E. |"They couldn't hit an elephant from
> chrisw@skypoint.com | this distance" (last words of
Gen.
> ___________________________| John Sedgwick, Spotsylvania 1864)
> <a href="http://www.skypoint.com/~chrisw">http://www.skypoint.com/~chrisw</a>
Received on Sun Apr 21 21:19:00 2002