Elastic Energy (Or Strain Energy)
Elastic Energy (Or Strain Energy) : The internal energy contained in an elastic material and caused by its translational and/or rotational strain. Elastic energy is a function of materially objective strain tensors (rotating together with the material and independent of its rigid translations). Knowing this function, one may obtain the constitutive equations of the elastic material. In the linear material, elastic energy is a quadratic form of the linear strain tensors (materially objective in the linear approximation). See principle of material objectivity
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