Nonlinear quasi-static finite element scheme for magnetized and deformable bodies including magnetostrictives

Kidambi S. Kannan; Abhijit Dasgupta

doi:10.1117/12.275689

6 June 1997 Nonlinear quasi-static finite element scheme for magnetized and deformable bodies including magnetostrictives

Kidambi S. Kannan, Abhijit Dasgupta

Author Affiliations +

Proceedings Volume 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems; (1997) https://doi.org/10.1117/12.275689
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

This paper presents a quasi-static variational principle and finite element scheme to model the nonlinear interactions between mechanical and magnetic fields in magnetostrictive materials. The basis of the above finite element scheme is presented here and applied to simulation of the direct and converse response of a magnetostrictive rod. While the nonlinear scheme developed is of general three dimensional nature, the application examples utilize material property data that pertain to the crystalline and geometrical symmetry of commercially produced Terfenol-D. The role of nonlinear magnetic body forces and nonlinear constitutive properties is examined in detail.

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Kidambi S. Kannan and Abhijit Dasgupta "Nonlinear quasi-static finite element scheme for magnetized and deformable bodies including magnetostrictives", Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); https://doi.org/10.1117/12.275689

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