期刊
EUROPEAN JOURNAL OF MECHANICS A-SOLIDS
卷 50, 期 -, 页码 17-27出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.euromechsol.2014.10.003
关键词
Magneto-active materials; Nonlinear elasticity; Invariants
类别
In this work a new set of principal axis invariants is proposed in order to study the problem of considering large magneto-elastic deformations, for bodies that are isotropic in the un-deformed configuration when no external magnetic induction is applied. The new set of invariants has clear physical meanings and may have an experimental advantage over the standard invariants used in many previous works in this area. The principal axis invariant formulation is also shown to be more general. Some simple boundary value problems are solved, such as the simple shear, and the biaxial extension of a slab, where with the use of these new invariants, it is possible to study in a much simpler manner the effect of different types of deformations on the response of the material. An illustrated simple specific constitutive equation is proposed which compares well with experiment. (C) 2014 Elsevier Masson SAS. All rights reserved.
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