In the present paper in order to investigate possibility of flow control using elastic body, we conduct a simulation of a finite-length flexible cylinder installed in turbulent channel flow. For the flexible cylinder, the rigorous equation of motion for elastic continuum is solved with a finite volume method; the effect of existence of cylinder in the flow computation is taken into account using the immersed boundary method. From instantaneous and time averaged flow quantities, we demonstrate that the flexible cylinder markedly modulates the wake structure depending on the elasticity of cylinder. Further in order to extract coherent structures, the DMD (dynamic mode decomposition) method are applied. The primary flow structures in the wake of cylinder are demonstrated.
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ASME/JSME/KSME 2015 Joint Fluids Engineering Conference
July 26–31, 2015
Seoul, South Korea
Conference Sponsors:
- Fluids Engineering Division
ISBN:
978-0-7918-5732-8
PROCEEDINGS PAPER
DNS of Turbulent Channel Flow With a Flexible Square Cylinder Available to Purchase
Makoto Takeuchi,
Makoto Takeuchi
Mie University, Tsu, Japan
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Koichi Tsujimoto,
Koichi Tsujimoto
Mie University, Tsu, Japan
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Toshihiko Shakouchi,
Toshihiko Shakouchi
Mie University, Tsu, Japan
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Toshitake Ando
Toshitake Ando
Mie University, Tsu, Japan
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Makoto Takeuchi
Mie University, Tsu, Japan
Koichi Tsujimoto
Mie University, Tsu, Japan
Toshihiko Shakouchi
Mie University, Tsu, Japan
Toshitake Ando
Mie University, Tsu, Japan
Paper No:
AJKFluids2015-24725, V01AT24A007; 8 pages
Published Online:
April 4, 2016
Citation
Takeuchi, M, Tsujimoto, K, Shakouchi, T, & Ando, T. "DNS of Turbulent Channel Flow With a Flexible Square Cylinder." Proceedings of the ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. Volume 1A: Symposia, Part 2. Seoul, South Korea. July 26–31, 2015. V01AT24A007. ASME. https://doi.org/10.1115/AJKFluids2015-24725
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