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Finite Element Modeling of Magnetostrictive Smart Structures

Bakhashwain, J.M. and Sunar, M. and Hyder, S.J. (2004) Finite Element Modeling of Magnetostrictive Smart Structures. The Arabian Journal for Science and Engineering, 29 (1C). pp. 125-138.

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Abstract

Constitutive equations of magnetostrictive smart materials containing mechanical and magnetic fields are presented via Hamilton’s principle. Finite element method is used to model the dynamic behavior of these smart materials. A smart beam structure consisting of a magnetostrictive (CoFe2O4) layer on its top surface is considered as a case study to illustrate the use of magnetostrictive equations. The location of the magnetostrictive layer is varied along the beam and the vertical displacement and magnetic responses are computed when the system is subjected to step as well as sinusoidal loads at the tip. It is found from the case study that the magnetostrictive sensor is most effective when it is placed at the fixed end of the beam.



Item Type:Article
Date:June 2004
Date Type:Publication
Subjects:Mechanical
Electrical
Divisions:College Of Engineering Sciences > Electrical Engineering Dept
Creators:Bakhashwain, J.M. and Sunar, M. and Hyder, S.J.
Email:jamilb@kfupm.edu.sa, mehmets@kfupm.edu.sa, UNSPECIFIED
ID Code:647
Deposited By:Obaid-Ur-Rehman Khattak
Deposited On:25 Mar 2008 11:25
Last Modified:12 Apr 2011 13:06

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