Question

Problem 13.25 The state of stress at a point p in a material with modulus of elasticity E=28 GPa and Poisson's ratio v = 0.3 is \left[\begin{array}{ccc}

250 & -20 & 0 \\

-20 & 250 & 40 \\

0 & 40 & 200

\end{array}\right] \mathrm{MPa} What is the state of strain at p?

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