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Numerical simulations of experimental fluid-induced vibrations of cylinders in cross-flow

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Abstract

This paper presents fluid-structure interaction (FSI) simulations of a published experimental campaign dedicated to the study of fluid-induced vibrations on cylinders. The experimental configuration consists in two in-line cylinders subjected to water cross-flow. This experimental campaign is relevant for numerical FSI validation purposes, since it accesses both fluid and structure measurements. This paper presents the numerical simulations of one of the different water flow rates tested experimentally. The FSI simula tions are run with the CFD code code-Saturne: a two-way coupling between the fluid and the struc ture is realized thanks to the implementation of an Euler-Bernoulli finite element beam model inside code-Saturne. This paper describes the FSI approach and presents its application to the experimental con figuration considered. Numerical results are compared to the experimental ones, in terms of velocity fluctuations behind the cylinders and vibrations of the cylinders. Fluid simulations are realized retaining both a URANS approach and the Scale Adaptive Simulation (SAS) hybrid URANS/LES approach.
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Dates and versions

irsn-03934403 , version 1 (11-01-2023)

Licence

Attribution - NonCommercial - NoDerivatives - CC BY 4.0

Identifiers

  • HAL Id : irsn-03934403 , version 1

Cite

Daniele Vivaldi, Guillaume Ricciardi. Numerical simulations of experimental fluid-induced vibrations of cylinders in cross-flow. Flow-induced vibration conference, Jul 2022, PARIS-SACLAY, France. ⟨irsn-03934403⟩
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