Physics, asked by abhay8640, 1 year ago

necessary and sufficient condition for the strain energy density to be non negative

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Answered by kapilchaudhary2
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⬆️⬆️⬆️⬆️⬆️⛔⛔⛔♦️♦️♦️The strain energy density W reduces to a function of two argu- ments. .... Necessary and sufficient conditions for the existence of such .... and has non-negative eigenvalues pi.
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