Page 61 - Introduction to Continuum Mechanics
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46 Tensors





                                         Example 2B20.1

           For the tensor of Example 2B17.4, first find the principal scalar invariants and then evaluate
         the eigenvalues using Eq. (2B20.1).
           Solution. The matrix of T is


















        These values give the characteristic equation






        Thus, the eigenvalues are A=2,5,-5 as previously determined.
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