Dynamic Analysis of Composite Sandwich Beams with a Frequency-Dependent Viscoelastic Core under the Action of a Moving Load

A dynamic analysis of the behavior of sandwich beams with a viscoelastic core under the action of a moving load is performed considering their geometrical asymmetry. The use of viscoelastic materials integrated into structures in front of the moving load is considered as a new suggestion to enhance their stability. A high-order theory, taking into consideration longitudinal and rotational inertias was used to examine the viscoelastic damping properties composite sandwich beams with account of their geometrical asymmetry and the frequency-dependent behavior of their viscoelastic core.

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Correspondence to Y. Karmi.

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Russian translation published in Mekhanika Kompozitnykh Materialov, Vol. 56, No. 6, pp. 1095-1112, November-December, 2020.

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Karmi, Y., Khadri, Y., Tekili, S. et al. Dynamic Analysis of Composite Sandwich Beams with a Frequency-Dependent Viscoelastic Core under the Action of a Moving Load. Mech Compos Mater 56, 755–768 (2021). https://doi.org/10.1007/s11029-021-09921-w

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Keywords

  • viscoelastic material
  • moving load
  • passive damping
  • finite element
  • asymptotic numerical method