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Vol. 116, Issue 5, May 2010, pp. 89-103

 

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Harmonic Response of Magneto-electro-elastic Sensors Bonded to Cylindrical Shells

 

B. Biju, N. Ganesan and #K. Shankar

Machine Design Section, Department of Mechanical Engineering

Indian Institute of Technology Madras, Chennai 600 036, India

#Tel.: +91 44 22574701

E-mail: skris@iitm.ac.in

 

 

Received: 18 March 2010   /Accepted: 24 May 2010   /Published: 31 May 2010

 

Abstract: This paper deals with semi analytical finite element formulation for coupled magneto-electro-elastic sensor bonded to a mild steel cylindrical shell. The cylinder is subjected to harmonically varying internal pressure with clamped free and clamped-clamped boundary condition. Numerical results are presented for the first three axial modes associated with the axisymmetric mode of the shell with different sensor locations. The sensor response is controlled mainly by its radial displacement in all the modes. The third mode response becomes significant when the sensor is placed at the free end of the mild steel cylinder for clamped free boundary condition.

 

Keywords: Magneto-electro-elastic, Sensor, Harmonic response, Semi analytical finite element

 

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