I have 'subject 3810' from the kellogg design manual- pipe attachments.

It must have been written by a nerd, because therin lies a secret code as to how to understand it.

A valuble tool (i am not given FEA) for me, except
i never felt fully comfortable that i understood how to use it.

But, after reading page 85 of the 'Design of piping systems' book all is clear!

This must have been a wonderful book in its day,

I wonder if a PED version is due out soon... :p