Two-Dimensional VIV Simulation of a Cylinder Close to a Wall with High Reynolds Number by Overset Mesh

DOI IR (HANDLE) Open Access
  • Li Ruan
    Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
  • Karma Mohamed
    Research Institute for Applied Mechanics, Kyushu University
  • Hu Changhong
    Research Institute for Applied Mechanics, Kyushu University

Description

The numerical study of vortex-induced vibration (VIV) of a near-wall cylinder, as well as the impacts of the wall on VIV response, is presented. The Reynolds number for a cylinder near a wall is lower than that of an isolated cylinder when the max vibration amplitude occurs. The max vibration amplitude of the cylinder near a wall is less than that of an isolated cylinder. Moreover, the vortex shedding observed from a wall interacts with the vortex shedding emanating from a cylinder, weakening it. As a near-wall cylinder enters the lock-in region, the vortex shedding from a wall interact with that from the cylinder, which promote separation of the wall boundary layer and alter the wake vortex structure.

Journal

  • Evergreen

    Evergreen 10 (1), 219-229, 2023-03

    Transdisciplinary Research and Education Center for Green Technologies, Kyushu University

Keywords

Details 詳細情報について

  • CRID
    1390014404396715648
  • DOI
    10.5109/6781072
  • ISSN
    24325953
    21890420
  • HANDLE
    2324/6781072
  • Text Lang
    en
  • Data Source
    • JaLC
    • IRDB
    • Crossref
    • OpenAIRE
  • Abstract License Flag
    Allowed

Report a problem

Back to top