Finite element simulation of hard magnetoelastic thin films

Author

Barham, Matthew ; White, Daniel

Author_Institution

Lawrence Livermore Nat. Lab., Livermore, CA, USA

fYear

2010

fDate

9-12 May 2010

Firstpage

1

Lastpage

1

Abstract

We are interested in the deformation of a thin magnetoelastic film. This has many possible applications, such as in microfluidic actuators and sensors. In previous articles a finite element method has been used for transient simulation of the deformation of the film, for the special case of soft magnetic material only. In this article the approach is extended to the case of hard (permanent) magnetoelastic materials. The hard magnetic material case involves an additional system of equations for the self-field, and it also results in a non-symmetric Maxwell stress tensor.

Keywords

deformation; finite element analysis; magnetic thin films; magnetoelastic effects; microfluidics; permanent magnets; soft magnetic materials; Maxwell stress tensor; deformation; finite element simulation; hard magnetoelastic thin films; microfluidic actuators; microfluidic sensors; soft magnetic material; Actuators; Deformable models; Finite element methods; Magnetic films; Magnetic materials; Magnetic sensors; Maxwell equations; Microfluidics; Soft magnetic materials; Transistors;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Field Computation (CEFC), 2010 14th Biennial IEEE Conference on

Conference_Location

Chicago, IL

Print_ISBN

978-1-4244-7059-4

Type

conf

DOI

10.1109/CEFC.2010.5481782

Filename

5481782