Moving Computational Domain Method and Its Application to Flow Around a High-Speed Car Passing Through a Hairpin Curve

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概要

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• This paper presents a new method for simulating flows driven by a body traveling with neither restriction on motion nor a limit of a region size, In the present method named 'Moving Computational Domain Method', the whole of the computational domain including bodies inside moves in the physical space without the limit of region size. Since the whole of the grid of the computational domain moves according to the movement of the body, a flow solver of the method has to be constructed on the moving grid system and it is important for the flow solver to satisfy physical and geometric conservation laws simultaneously on moving grid. For this issue, the Moving-Grid Finite-Volume Method is employed as the flow solver. The present Moving Computational Domain Method makes it possible to simulate flow driven by any kind of motion of the body in any size of the region with satisfying physical and geometric conservation laws simultaneously. In this paper, the method is applied to the flow around a high-speed car passing through a hairpin curve. The distinctive flow field driven by the car at the hairpin curve has been demonstrated in detail. The results show the promising feature of the method.

• 社団法人日本機械学会の論文

著者

• MATSUNO Kenichi

  Department of Mechanical and System Engineering, Kyoto Institute of Technology

• Koji WATANABE

  Department of Mechanical and System Engineering, Kyoto Institute of Technology

• Kenichi MATSUNO

  Department of Mechanical and System Engineering, Kyoto Institute of Technology

• WATANABE Koji

  Department of Mechanical and System Engineering, Kyoto Institute of Technology

関連論文

• Moving Computational Domain Method and Its Application to Flow Around a High-Speed Car Passing Through a Hairpin Curve

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