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Abstract : A Maxwell-s rate-type viscoelastic constitutive equation is used to describe stress-induced phase transitions of shape memory alloys in an one-dimensional body. A simplified piecewise linear load-deformation equilibrium curve of -van der Waals type- is prescribed and the non-convex free-energy of the model is determined. We consider two classical types of loading devices : a hard device and a soft device. Energetic estimates and numerical solutions for the corresponding problems are given.





Autor: C. Faciu

Fuente: https://hal.archives-ouvertes.fr/



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