Stress Analysis - compound cylinders

  • Thread starter jhmz
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jhmz
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Homework Statement


problem attached


Homework Equations


attached
but lame equations i think they are?

The Attempt at a Solution


attached


Hey
this is an assignment question that i have wasted countless hours on trying to solve without success. The problem is WBVMMECH025 from the anasys 12 verification manual (problem is attached) i have completed the anysys analysis with correct results and now have to do hand calculations, im sure that the interface pressure is correct, im sure i am using the right formula to find tangential stresses due to interface pressure and that those answers are correct. I think it is after this where i try to find the tangetial stresses due to the applied internal pressure is where i am going wrong but cant figure out why. have attached a clean copy of my attempt and the excel formulas should be correct cause they match my hand calculations.

all help greatly appreciated

edit: files were too big for attachment so i hosted them externally

The problem
http://www.fileden.com/files/2010/5/6/2850545/problem.doc" [Broken]

My attempt at the question:
http://www.fileden.com/files/2010/5/6/2850545/my%20attempt.xls" [Broken]
 
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Answers and Replies

  • #2
jhmz
9
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alll good figured it out
 

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