Abstract
The analog computation on considering the fluid - structure interaction (without modeling solid deformation) and the large eddy simulation (LES) with the classical Smagorinsky's sub-grid scale model has been adopted for the idealized model. The results show that the solution of this model agrees favorably with experimental data results and that the LES displays an advantage over the simulations. From the simulation for bundled cables, the lift coefficients and the drag coefficients increase as the Reynolds numbers grow in sub-critical region. The upstream cables vibration is induced by Kamen vortex and the downstream cables vibration is due to double influence of the wake interference and the Kamen vortex. With the increase of incidence angles, the drag coefficient of the bundle is largely related to the width of the cables exposed to the fluid and the lift coefficient of the bundle grows while the angles of attack increasing within limits.
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