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Effect of displacement current in magneto–electro-elastic plates subjected to dynamic loading

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Abstract

Dynamic response of moderately thick magneto–electro-elastic plate using magnetic vector potential in finite element formulation is presented in this paper. Dynamic loading generate time varying electric and magnetic fields in magneto–electro-elastic continuum. Displacement current is associated with the generation of magnetic field due to time varying electric field. The non-conservative electric field is represented using electric scalar potential and magnetic vector potentials. Studies are carried out for CCCC, CCFC, CFFC and FCFC boundary conditions of the plate excited with time-harmonic mechanical excitation, the frequency range being chosen based on the critical frequency of the plate analyzed. The magnetic flux density in longitudinal x-direction is not affected by the electric displacement current for all the boundary conditions. The longitudinal y-direction and transverse direction components of magnetic flux density are showing variations for FCFC boundary condition when displacement current is accounted. The effect of displacement current is significant when two opposite edges of the plate are clamped.

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Authors and Affiliations

  1. Department of Mechanical Engineering, M. A. College of Engineering, Kothamangalam, 686 666, Kerala, India

    B. Biju

  2. Machine Design Section, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai, 600 036, India

    N. Ganesan & K. Shankar

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  1. B. Biju
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  2. N. Ganesan
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  3. K. Shankar
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Correspondence to B. Biju.

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Biju, B., Ganesan, N. & Shankar, K. Effect of displacement current in magneto–electro-elastic plates subjected to dynamic loading. Int J Mech Mater Des 8, 349–358 (2012). https://doi.org/10.1007/s10999-012-9200-z

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  • DOI: https://doi.org/10.1007/s10999-012-9200-z

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