>I might be wrong, but S=PD/2t is the circumferential stress due to pressure
>(hoop stress).
You're not wrong at all--I wasn't paying attention when I replied.
Christopher Wright P.E. |"They couldn't hit an elephant from chrisw@skypoint.com | this distance" (last words of Gen. ___________________________| John Sedgwick, Spotsylvania 1864)http://www.skypoint.com/~chrisw Received on Wed Aug 29 21:57:00 2001
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