论文标题

磁弹性薄膜

Magnetoelastic thin films at large strains

论文作者

Davoli, Elisa, Kružík, Martin, Piovano, Paolo, Stefanelli, Ulisse

论文摘要

从三维设置开始,我们通过γ-连接技术得出薄磁弹性膜的极限模型。由于磁化矢量是在弹性变形配置上定义的,因此我们的模型具有拉格朗日和欧拉术语。这要求根据注射率对平面域的可允许的三维变形。此外,需要在变形膜中仔细处理麦克斯韦系统。

Starting from the three-dimensional setting, we derive a limit model of a thin magnetoelastic film by means of Γ-convergence techniques. As magnetization vectors are defined on the elastically deformed configuration, our model features both Lagrangian and Eulerian terms. This calls for qualifying admissible three-dimensional deformations of planar domains in terms of injectivity. In addition, a careful treatment of the Maxwell system in the deformed film is required.

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