FENG Zhi-peng, ZANG Feng-gang, ZHANG Yi-xiong. Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow[J]. Applied Mathematics and Mechanics, 2013, 34(12): 1311-1320. doi: 10.3879/j.issn.1000-0887.2013.12.010
Citation: FENG Zhi-peng, ZANG Feng-gang, ZHANG Yi-xiong. Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow[J]. Applied Mathematics and Mechanics, 2013, 34(12): 1311-1320. doi: 10.3879/j.issn.1000-0887.2013.12.010

Numerical Simulation of Uniform Tube Vibration Induced by 3-Dimensional Cross-Flow

doi: 10.3879/j.issn.1000-0887.2013.12.010
  • Received Date: 2013-07-15
  • Rev Recd Date: 2013-07-28
  • Publish Date: 2013-12-16
  • A 3-dimensional numerical model for elastic uniform tube vibration induced by cross flow was proposed based on the finite volume method and finite element method combined with dynamic mesh technique. The model presented a 3-dimensional fully coupled approach to solve the fluid flow and the structure vibration simultaneously. First, the capability of various mesh discretization forms and different turbulent models in prediction of turbulent flow characteristics was investigated through computation of turbulent cross flow around a rigid tube, and the CFD model for flow induced vibration was obtained. Second, based on the flow induced vibration model, the phase difference between fluid load and vibration displacement was also studied, and the results indicated that the difference was caused by the fluid load. Meanwhile, the results of 1-way coupling calculation were compared with that of 2-way coupling. Finally, the wake characteristics were analyzed with some time-averaged parameters including pressure distribution on the tube surface, flow velocity and separation angle in the wake of the vibrating tube.
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