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Homework Help: Stress Matrix

  1. Apr 9, 2009 #1
    I am given E= 210 GPa v=0.3

    [tex]\sigma[/tex]= [ -20 15 ]
    15 30

    How do I find G = ?

    and [tex]\epsilon[/tex]

    Any help much appreciated.
    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Apr 10, 2009 #2


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    Hi xrayzulu, welcome to PF. Please show your attempt first; that's what the template is there for.
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