Analysis of the coupled thermoelastic vibration for the axially moving viscoelastic sandwich beam

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Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (14) : 209-214.

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Analysis of the coupled thermoelastic vibration for the axially moving viscoelastic sandwich beam

Wang Jinmei Li Yinghui

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Abstract

The transverse vibration characteristic of the viscoelastic sandwich beam with axial speed is studied under the coupled temperature field and displacement field. Based on the theory of Euler - Bernouli beam and the constitutive relation of Kelvin viscoelastic material model, the transverse vibration equation of the axially moving beam is established ; considering the interaction of the material deformation and the heat conduction, the coupled governing equation of the beam is obtained. and the coupled thermoelastic dynamics system are obtained by the Fourth-order Galerkin truncation method. the related thermal parameters on the vibration frequency are analyzed by using numerical method.

Key words

sandwich beam / axially moving / Kelvin viscoelastic model / transverse vibration

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Wang Jinmei Li Yinghui. Analysis of the coupled thermoelastic vibration for the axially moving viscoelastic sandwich beam[J]. Journal of Vibration and Shock, 2013, 32(14): 209-214