Numerical Computation for Hydrodynamic Oscillations of a Square Cylinder
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概要
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We present numerical results for hydrodynamic oscillations in in-line and cros-flow directions of an elastically supported square cylinder, which is placed in a uniform flow, by three-dimensional computation. In the case of the in-line oscillation which occurs at the low Scruton number, there are two characteristics of oscillations in a range of low reduced velocities. In order to catch such oscillations, a numerical computation is achieved by means of the finite element method and the arbitrary Lagrangian-Eulerian method. In addition, numerical stabilization of solutions of the Navier-Stokes equations is performed by a third-order upwind scheme. From our numerical results, we clearly show hydrodynamic characteristics of the oscillating squre cylinder and discuss about the response mechanism.
- 日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」の論文
日本学術会議 「機械工学委員会・土木工学・建築学委員会合同IUTAM分科会」 | 論文
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