Hi, I know the generalized hookes law between stress and strain is given by the elastic tensor. This matrix has 81 constants which are reduced to 9 in the isotropic case. Can someone please help me to understand intuitively how this reduction in the elastic tensor takes place and why some of the components are zero? also can someone please help me to understand the einstein summation used in the naming of the elastic tensor?(adsbygoogle = window.adsbygoogle || []).push({});

Thankyou for your help

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# Understanding elastic tensor matrix intuitively

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