Analysis of Shearing Viscoelastic Beam under Moving Load | Zendy

Mohammad Tehrani | Zendy; Hamidreza Eipakchi | Zendy

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Analysis of Shearing Viscoelastic Beam under Moving Load

Author(s) -

Mohammad Tehrani,

Hamidreza Eipakchi

Publication year - 2012

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2012/194754

Subject(s) - viscoelasticity , dimensionless quantity , shearing (physics) , eigenfunction , compressibility , parametric statistics , moving load , beam (structure) , materials science , structural engineering , stiffness , amplitude , mechanics , mathematics , physics , engineering , eigenvalues and eigenvectors , composite material , finite element method , optics , statistics , quantum mechanics

In this paper the dynamic behavior of a viscoelastic beam subjected to a moving distributed load has been studied analytically. The viscoelastic properties of the beam have been considered as the linear standard model in shear and incompressible in bulk. The stress components have been separated to the shear and dilatation components then, the governing equation in viscoelastic form has been obtained with direct method and it has been solved with the eigenfunction expansion method. Using the obtained dimensionless coefficients from the governing equation, an analytical procedure has been presented and by parametric studies the effects of the load properties and viscoelastic materials on the amplitude and frequency of the response have been investigated. Such results can present an idea for selecting some parameters in engineering design.

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