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Radial/Hoop stress in a steel turbine disc

  1. Dec 21, 2016 #1
    1. The problem statement, all variables and given/known data
    upload_2016-12-21_17-14-24.png

    2. Relevant equations
    -given in question

    3. The attempt at a solution
    I am bit confused with the boundary conditions of this problem. I understand the radial stress is zero on the inside diameter and the radial stress on the outside diameter will be the reaction to the centripetal force per m^2. So surely you need a width to calculate the radial stress on the outside diameter which isn't given in the question?
     
  2. jcsd
  3. Dec 27, 2016 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
     
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