MAGNETIC SHAPE MEMORY ALLOYS: THREE-DIMENSIONAL MODELING AND ANALYSIS

Author:

BESSOUD A.-L.1,STEFANELLI U.1

Affiliation:

1. Istituto di Matematica Applicata e Tecnologie Informatiche-CNR, Via Ferrata 1, 27100 Pavia, Italy

Abstract

We present a three-dimensional phenomenological model for the magneto-mechanical behavior of magnetic shape memory materials such as Ni2MnGa . Moving from micromagnetic considerations, we advance to some thermodynamically consistent constitutive relations describing the magnetically-induced cubic-to-tetragonal martensitic transformation in a single crystal. We present an existence analysis for both the constitutive relation problem and the three-dimensional quasi-static evolution problem. Finally, we discuss the reduction of this model to some simpler one by means of a rigorous Γ-convergence analysis.

Publisher

World Scientific Pub Co Pte Lt

Subject

Applied Mathematics,Modelling and Simulation

Cited by 21 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Experimental characterization and modeling of a three-variant magnetic shape memory alloy;Smart Materials and Structures;2016-09-07

2. Hysteresis in magnetic shape memory composites: Modeling and simulation;Journal of the Mechanics and Physics of Solids;2016-04

3. Gradient structures for the thermomechanics of shape-memory materials;Computer Methods in Applied Mechanics and Engineering;2016-02

4. A phenomenological model for the magneto-mechanical response of single-crystal magnetic shape memory alloys;European Journal of Mechanics - A/Solids;2015-07

5. Quasistatic evolution of magnetoelastic plates via dimension reduction;Discrete and Continuous Dynamical Systems;2015-05

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