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Dynamic analysis of the non-linear behavior of a composite sandwich beam with a magnetorheological elastomer core

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Abstract

This work deals with the active control of the vibrations of mechanical structures incorporating magnetorheological elastomer. The damping coefficient and shear modulus of the elastomer increase when exposed to a magnetic field. Compared with the vibration control where the elastomer is permanently exposed to a magnetic field, the control of this process through time reduces vibrations more effectively. The experimental study for the vibrations of a sandwich beam filled with an elastomer is conducted, followed by a numerical study using the Abaqus code. The vibration damping is found to be dependent on the loading rate of micro-size ferromagnetic particles in the elastomer.

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Authors and Affiliations

  1. Dynamic of Engines and Vibroacoustic Laboratory, M’Hamed Bougara University of Boumerdes, Algeria

    N. Chikh, A. Nour & S. Aguib

  2. Laboratoire QUARTZ(EA7393), Supmeca, 3 rue de Fernand Hainaut, 93407, Saint-Ouen Cedex, France

    I. Tawfiq

Authors
  1. N. Chikh
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  2. A. Nour
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  3. S. Aguib
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  4. I. Tawfiq
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Correspondence to A. Nour.

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Chikh, N., Nour, A., Aguib, S. et al. Dynamic analysis of the non-linear behavior of a composite sandwich beam with a magnetorheological elastomer core. Acta Mech. Solida Sin. 29, 271–283 (2016). https://doi.org/10.1016/S0894-9166(16)30161-6

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  • DOI: https://doi.org/10.1016/S0894-9166(16)30161-6

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