Title: Fluid-structure interaction simulation of transient turbulent flow in a curved tube with fixed supports using LES

Authors: S.K. Loh; W.F. Faris; M. Hamdi

Addresses: Department of Manufacturing and Design Engineering, University Malaya, 53100, Malaysia ' Mechanical Engineering Department, International Islamic University Malaysia, 53100, Malaysia ' Department of Manufacturing and Design Engineering, University Malaysia, 53100, Malaysia

Abstract: Fluid Structure Interaction (FSI) simulation has been used in modelling turbulent flow induced vibration of a curved tube with fixed supports. The vibration behaviour is studied through modal analysis. It is subsequently simulated to study the structural response induced by turbulent flow using LES. LES modelling has been reasonably used for the instantaneous pressure fluctuations it can generate on the tube wall. The high response can be caused by resonance effect between natural frequency and flow induced oscillation frequency. A flow induced response test has been performed. The comparison indicates the simulated response is 18.1% higher than the measured response.

Keywords: flow induced vibration; natural frequency; FSI; fluid structure interaction; LES; large eddy simulation; transient turbulent flow; curved tubes; turbulence modelling; modal analysis; oscillation frequency.

DOI: 10.1504/PCFD.2013.050646

Progress in Computational Fluid Dynamics, An International Journal, 2013 Vol.13 No.1, pp.11 - 19

Received: 08 May 2021
Accepted: 12 May 2021

Published online: 26 Nov 2012 *

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