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Benchmark of Numerical Codes for Coupled CSD/CFD Computations on an Elementary Vortex Induced Vibration Problem

[+] Author Affiliations
Marie Pomarede, Jean-François Sigrist

DCNS Propulsion, La Montagne, France

Elisabeth Longatte

EDF R&D, Chatou, France

Paper No. PVP2009-77028, pp. 537-546; 10 pages
doi:10.1115/PVP2009-77028
From:
  • ASME 2009 Pressure Vessels and Piping Conference
  • Volume 4: Fluid-Structure Interaction
  • Prague, Czech Republic, July 26–30, 2009
  • Conference Sponsors: Pressure Vessels and Piping
  • ISBN: 978-0-7918-4367-3 | eISBN: 978-0-7918-3854-9
  • Copyright © 2009 by ASME

abstract

Numerical simulation of vortex-induced-vibrations (VIV) of an elastically supported rigid circular cylinder in a fluid cross-flow has been thoroughly studied over the past years, both from the experimental and numerical points of view, because of its theoretical and practical interest in the understanding of flow-induced vibrations problems. In this context, the present paper aims at exposing a numerical study based on a coupled fluid-structure simulation, compared with previously published studies [34], [36]. The computational procedure relies on a partitioned method ensuring the coupling between fluid and structure solvers. The fluid solver involves a moving mesh formulation for simulation of the interface motion. Energy exchanges between both systems are ensured through convenient coupling schemes. The present study is devoted to a low Reynolds number configuration ( Re = 100). Cylinder motion magnitude, hydrodynamic forces, oscillation frequency and fluid vortex shedding modes are investigated with the intention to observe the “lock-in” phenomenon. These numerical simulations are proposed for code validation purposes prior to industrial applications to tube bundle configurations [4].

Copyright © 2009 by ASME

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