The Piola-Kirchhoff stress may depend linearly on the deformation gradient |
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Authors: | P Podio-Guidugli |
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Institution: | (1) Dipartimento di Ingegneria Civile Edile, Università di Roma-Tor Vergata, 00173 Roma, Italy |
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Abstract: | It is shown that, whenever the residual stress does not vanish, the response function delivering the Piola-Kirchhoff stress in terms of the deformation gradient may be genuinely linear, and yet independent of the observer; moreover, an explicit representation formula for such a function is obtained. |
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