Acta Mechanica Solida Sinica

, Volume 19, Issue 4, pp 365–373 | Cite as

Non-linear forced vibration of axially moving viscoelastic beams

Article

Abstract

The non-linear forced vibration of axially moving viscoelastic beams excited by the vibration of the supporting foundation is investigated. A non-linear partial-differential equation governing the transverse motion is derived from the dynamical, constitutive equations and geometrical relations. By referring to the quasi-static stretch assumption, the partial-differential non-linearity is reduced to an integro-partial-differential one. The method of multiple scales is directly applied to the governing equations with the two types of non-linearity, respectively. The amplitude of near- and exact-resonant steady state is analyzed by use of the solvability condition of eliminating secular terms. Numerical results are presented to show the contributions of foundation vibration amplitude, viscoelastic damping, and nonlinearity to the response amplitude for the first and the second mode.

Key words

axially moving beam viscoelasticity non-linear forced vibration method of multiple scales 

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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2006

Authors and Affiliations

  1. 1.Department of Engineering MechanicsShenyang Institute of Aeronautical EngineeringShenyangChina
  2. 2.Department of MechanicsShanghai UniversityShanghaiChina

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