RE: thermal movement calculation

From: <Christopher>
Date: Sat Sep 20 2003 - 13:02:00 EDT

>So it is important in support & nozzle loads point of view
> that what exactly to follow in caeser & in practical too??

I had a tough time with your syntax, but if the quoted sentence means what I think it means, you're right on. Software, FEA or CAESAR gives results. They aren't good or bad results until the engineering with responsibility for the job has validated the results agaisnt the actual installation and said that they're good or bad. Software users who are disconnected from the real world of fabrication and the actual service environment have a lot of very strange notions about what goes on in the real world. My experience is that a very good case could be made that such people aren't really engineers. They may know something about engineering, but that something lacks a necessary perspective. I've done both and I've had a lot of opportunities to see how the computer monitor pictures differ remarkably from what goes on during the third shift.

That's not to say that the software is no good or that a user needs to understand the source code before he can trust it. Whether you do manual calculations on the back of an envelope or use FEA of Code software, no one who calls himself an engineer or a designer should be under the illusion that his calculations are anything but a thumbnail sketch of a very complicated reality.

Christopher Wright P.E. |"They couldn't hit an elephant at <a href="/group/PipingDesign/post?postID=CWmHfjG4fN9-t3J9nkl5VVztuUszd8BlWfveS7uepIDiXMRbMHD4ar_ix5Mya0YAhY2HCxZLL4PkHApK4g">chrisw@skypoint.com</a> | 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 Sat Sep 20 13:02:00 2003