Large eddy simulation (LES) of flows around a forcedoscillating circular cylinder is carried out using the Arbitrary Lagrangian-Eulerian (ALE) method and a central difference scheme for the convection terms, which is a newly proposed discretization scheme that improves the conservation properties of the mass, momentum, and especially kinetic energy. The results are compared with the measurements that are also carried out by authors, in terms of lock-in phenomenon. It is shown that the numerically predicted pressure and velocity distributions are in good agreement with the experimental data, both in the lower and the upper lock-in region, and the phase difference between the cylinder displacement and the vortex shedding is consistent with previous findings. In addition, it is clarified that the frequency range of the lock-in in LES is almost the same in width as that of the experiment, while it becomes wider in the comparative analysis, in which the QUICK scheme is employed for the convection terms. Such discrepancies between two calculations are prominent, especially in the stationary and the lower frequency region.
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ASME/JSME 2007 5th Joint Fluids Engineering Conference
July 30–August 2, 2007
San Diego, California, USA
Conference Sponsors:
- Fluids Engineering Division
ISBN:
0-7918-4288-6
PROCEEDINGS PAPER
LES Analysis of Flows Around a Forced-Oscillating Circular Cylinder
Norikazu Sato,
Norikazu Sato
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
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Mitsuyoshi Kawakami,
Mitsuyoshi Kawakami
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
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Masahide Inagaki
Masahide Inagaki
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
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Norikazu Sato
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
Mitsuyoshi Kawakami
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
Masahide Inagaki
Toyota Central R&D Labs., Inc., Nagakute, Aichi, Japan
Paper No:
FEDSM2007-37151, pp. 191-200; 10 pages
Published Online:
March 30, 2009
Citation
Sato, N, Kawakami, M, & Inagaki, M. "LES Analysis of Flows Around a Forced-Oscillating Circular Cylinder." Proceedings of the ASME/JSME 2007 5th Joint Fluids Engineering Conference. Volume 1: Symposia, Parts A and B. San Diego, California, USA. July 30–August 2, 2007. pp. 191-200. ASME. https://doi.org/10.1115/FEDSM2007-37151
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