Computation of turbulence flow and its developmentaround a self-induced vibrating circular cylinde

Lin Lin;Wang Yanying

Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (14) : 164-173.

PDF(4894 KB)
PDF(4894 KB)
Journal of Vibration and Shock ›› 2013, Vol. 32 ›› Issue (14) : 164-173.
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Computation of turbulence flow and its developmentaround a self-induced vibrating circular cylinde

  • Lin Lin , Wang Yanying
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Abstract

Application Reynolds-Averaged Navier-Stokes equation (RANS) to solve vortex induced vibration problem has been a hot topic in recent years. In the present study, SST k-ω turbulence model is adopted to predict transverse vortex induced vibration of elastically supported rigid cylinder with low mass damping in a fluid flow. By comparing turbulence fields and developments of three different response branches and static cylinder with the coequal Reynolds number, some differences are observed. Pressure coefficient on the wall, shear stress on the wall, mean streamwise velocity, streamwise velocity fluctuation, cross-flow velocity fluctuation and Reynolds shear stress of three branches are different from those of static cylinder.

Key words

vortex induced vibration / CFD / SST k-ω turbulence model / vibrating cylinder / turbulence field

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Lin Lin;Wang Yanying. Computation of turbulence flow and its developmentaround a self-induced vibrating circular cylinde[J]. Journal of Vibration and Shock, 2013, 32(14): 164-173
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