Abstract
This article simulates the vortex-induced oscillations of a rigid circular cylinder with elastic support using the new ANSYS CFX rigid body solver. This solver requires no solid mesh to setup FSI (Fluid Structure Interaction) simulation. The two-way case was setup in CFX only. Specific mass of the cylinder and flow conditions were similar to previous experimental data with mass damping parameter equal to 0.04, specific mass of 1 and Reynolds number of 3800. Two dimensional simulations were setup. Both one-degree-of-freedom and two-degree-of-freedom cases were run and results were obtained for both cases with reasonable accuracy as compared with experimental results. Eight-figure XY trajectory and lock-in behavior were clearly captured. The obtained results were satisfactory.
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Izhar, A., Qureshi, A.H. & Khushnood, S. Simulation of vortex-induced vibrations of a cylinder using ANSYS CFX rigid body solver. China Ocean Eng 31, 79–90 (2017). https://doi.org/10.1007/s13344-017-0010-9
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DOI: https://doi.org/10.1007/s13344-017-0010-9