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Type: Conference paper
Title: Viscoelastic local dynamics of microtubes conveying fluid
Author: Ghayesh, M.
Farajpour Ouderji, A.
Farokhi, H.
Citation: Proceedings of the 21st Australasian Fluid Mechanics Conference (AFMC 2018), 2018 / pp.1-4
Publisher: Australian Fluid Mechanics Society
Issue Date: 2018
ISBN: 9780646597843
Conference Name: 21st Australasian Fluid Mechanics Conference (10 Dec 2018 - 13 Dec 2018 : Adelaide, Australia)
Statement of
Mergen H. Ghayesh, Ali Farajpour and Hamed Farokhi
Abstract: In the present study, a nonlinear coupled scale-dependent continuum model is developed to examine the local dynamics of a pulsatile fluid-conveying microscale tube. The effect of the internal energy loss is described by the Kelvin-Voigt model of viscoelasticity. Parametric forces due to the pulsatile flow as well as Coriolis forces are taken into consideration in the nonlinear scale-dependent model. The Euler-Bernoulli beam theory is utilised for describing the deformation behaviour while scale effects are captured via the modified version of the theory of couple stress. Then, Hamilton’s principle is utilised so as to derive the differential equations of the pulsatile fluidconveying microscale tube. The local dynamic characteristics are determined near the parametric resonance of the viscoelastic microscale system in the supercritical regime.
Rights: Commencing with 19AFMC, the Society holds copyright to papers which appear in the Proceedings. Prior to that, copyright resides with authors of the papers.
RMID: 1000008636
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Appears in Collections:Mechanical Engineering conference papers

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