Su alcune esperienze ideali riguardanti il principio di indifferenza materiale
We state a criterion for existence of a stored-energy function from which we will derive the stress in the case of microstructures with finite deformations. The problem was examined by Truesdell in the case of classical continuous media and is connected to the possibility of an extension of the classical Betti theorem to the case of finite deformations. Unlike what happens in the case of classical continuous media, we realise that the existence condition for a stored-energy function in the case...
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