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Journal of Intelligent Material Systems and Structures
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1045389X09103307v1
20/10/1203    most recent
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Harmonic Response of Three-phase Magneto-electro-elastic Beam Under Mechanical, Electrical and Magnetic Environment

A. Daga

Machine Design Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India

N. Ganesan

Machine Design Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India

K. Shankar

Machine Design Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, India, skris{at}iitm.ac.in

Magneto-electro-elastic (MEE) materials show a significant coupling between the mechanical, electrical, and magnetic fields. A three-phase MEE composite consisting of piezoelectric and piezomagnetic phases separated by a polymer matrix would have greater ductility and formability. In this article, harmonic response of three-phase MEE beam under mechanical, electrical, and magnetic load is presented using finite element method. Numerical studies are presented for different volume fraction (vf) of the magnetic phase in the three-phase MEE composite. Studies are done for clamped—free boundary condition of the beam. Ansys 8.1 is used to validate the code developed. The influence of various coupling term is also studied. The effect of coupling terms influencing the load vector plays a major role in the generation electric and magnetic potential when subjected to magnetic and electric conditions.

Key Words: three-phase • MEE • vf • harmonic response • Ansys 8.1 • finite element.

This version was published on July 1, 2009

Journal of Intelligent Material Systems and Structures, Vol. 20, No. 10, 1203-1220 (2009)
DOI: 10.1177/1045389X09103307
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