Multiple stable/unstable equilibria of a cylinder in the wake of an upstream cylinder

Wu, W. and Huang, S. and Barltrop, N. (2003) Multiple stable/unstable equilibria of a cylinder in the wake of an upstream cylinder. Journal of Offshore Mechanics and Arctic Engineering, 125 (2). pp. 103-107. ISSN 0892-7219 (http://dx.doi.org/10.1115/1.1555111)

Abstract

The static equilibrium position and its associated dynamic stability of a cylinder situated in the wake of an upstream cylinder is investigated in this paper. Both the upstream and downstream cylinders are elastically mounted on springs to allow for streamwise and transverse displacements. Due to the wake effect the downstream cylinder is subject to a lift force as well as a drag. It is shown that under certain flow conditions there exist multiple stable and unstable equilibria for the downstream cylinder. There also exist a critical flow velocity and once this velocity is exceeded no equilibrium positions of the downstream cylinder can be found, which suggests a likely occurrence of clashing between the two cylinders.

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• Item metadata

  Item type:	Article
  ID code:	4956
  Dates:	Date Event May 2003 Published
  Subjects:	Naval Science > Naval architecture. Shipbuilding. Marine engineering
  Department:	Faculty of Engineering > Naval Architecture, Ocean & Marine Engineering
  Depositing user:	Strathprints Administrator
  Date deposited:	06 Dec 2007
  Last modified:	11 Nov 2024 08:41
  URI:	https://strathprints.strath.ac.uk/id/eprint/4956