@Article{AAMM-14-1456,
author = {Pu , TianmeiZhang , Yang and Zhou , Chunhua},
title = {Large Eddy Simulation of the Vortex-Induced Vibration of a Circular Cylinder by Using the Local Domain-Free Discretization Method},
journal = {Advances in Applied Mathematics and Mechanics},
year = {2022},
volume = {14},
number = {6},
pages = {1456--1476},
abstract = {<p style="text-align: justify;">In this paper, the local domain-free discretization (DFD) method is extended
to large eddy simulation (LES) of fluid-structure interaction and the vortex-induced
vibration (VIV) of an elastically mounted rigid circular cylinder, which is held in the
middle of a straight channel, is numerically investigated. The wall model based on the
simplified turbulent boundary layer equations is employed to alleviate the requirement of mesh resolution in the near-wall region. The ability of the method for fluid-structure interaction is demonstrated by simulating flows over a circular cylinder undergoing VIV. The cylinder is neutrally buoyant with a reduced mass $m^∗ =11$ and has
a low damping ratio $ζ =0.001.$ The numerical experiment of the VIV of a cylinder in
an unbounded flow shows that the present LES-DFD method is more accurate and
reliable than the referenced RANS and DES methods. For the cylinder in the middle
of a straight channel, the effect of the channel height $(d^∗ = d/D)$ is investigated. The
variations of the response amplitude, vortex-shedding pattern and the length of the
induced separation zone in the channel boundary layers with the channel height are
presented.</p>},
issn = {2075-1354},
doi = {https://doi.org/10.4208/aamm.OA-2021-0199},
url = {http://global-sci.org/intro/article_detail/aamm/20855.html}
}