Abstract
A parallel CFD technique is applied to fluid structure interaction problems. Namely, the vortex-induced vibration of an elastically mounted circular cylinder is investigated, and the flow generated by oscillations of a thin flexible blade (modeling a piezo-fan) is considered. The flow around vibrating bodies is computed with the deforming mesh aproach based on the ALE formulation, and the hydrodynamic force computed is used to predict the body motion/deformation. The turbulence is simulated via a RANS/LES vortex-resolving approach. In the cylinder case characterized by two-dimensional geometry, both 2D and 3D formulations are used, with the spanwise periodicity conditions imposed for 3D simulation. A comparison with experimental data has proven that the 2D simulation is inadequate.
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Zaitsev, D., Schur, N., Smirnov, E. (2009). Numerical simulation of 3D turbulent flows around bodies subjected to vortex-induced and forced vibration. In: Parallel Computational Fluid Dynamics 2007. Lecture Notes in Computational Science and Engineering, vol 67. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92744-0_43
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DOI: https://doi.org/10.1007/978-3-540-92744-0_43
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