FENG Zhi-peng, ZHANG Yi-xiong, ZANG Feng-gang. Numerical Simulation of Fluid-Structure Interaction for Tube Bundles[J]. Applied Mathematics and Mechanics, 2013, 34(11): 1165-1172. doi: 10.3879/j.issn.1000-0887.2013.11.006
Citation: FENG Zhi-peng, ZHANG Yi-xiong, ZANG Feng-gang. Numerical Simulation of Fluid-Structure Interaction for Tube Bundles[J]. Applied Mathematics and Mechanics, 2013, 34(11): 1165-1172. doi: 10.3879/j.issn.1000-0887.2013.11.006

Numerical Simulation of Fluid-Structure Interaction for Tube Bundles

doi: 10.3879/j.issn.1000-0887.2013.11.006
  • Received Date: 2013-07-08
  • Rev Recd Date: 2013-07-19
  • Publish Date: 2013-11-15
  • A numerical model for three-dimensional flow induced vibration was proposed. It was conducted in order to further improve the solution of fluid-structure interaction problems, occurring in the nuclear power field such as the behavior of PWR fuel rod, stream generators and other heat exchangers’tubes. A three-dimensional unsteady Navier-Stokes equation was computed with LES model. The numerical method was based on finite volume discretization large eddy simulation approach on structured grids combined with the technique of dynamic mesh. The model presented a three dimensional fully-coupled approach to solving simultaneously the fluid flow and the structure vibration, for the tube bundles in cross flows. The flow induced vibration characteristics of a single tube was first analyzed based on the FSI method. Both the dynamic response and flow characteristics were obtained. Secondly, the mutual influence of two tubes, either inline or parallel set was investigated based on the FIV numerical model for tube bundles. Finally, the flow induced vibration characteristics of 3×3 tube bundles were studied.
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