Abstract.
A direct numerical simulation (DNS) of turbulent channel flow has been carried out to understand the effects of Reynolds number. In this study, the Reynolds number for channel flow based on a friction velocity and channel half width was set to be constant; Re τ = 1100. The number of computational grids used in this study was 1024 x 1024 x 768 in the x-, y- and z -directions, respectively. The turbulent quantities such as the mean flow, turbulent stresses and the turbulent statistics were obtained via present DNS. Large scale turbulence structures visualized by paralleled AVS/Express appear in whole region. The structures are merged by small scales structures.
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Satake, Si., Kunugi, T., Takase, K., Ose, Y., Naito, N. (2003). Large Scale Structures of Turbulent Shear Flow via DNS. In: Veidenbaum, A., Joe, K., Amano, H., Aiso, H. (eds) High Performance Computing. ISHPC 2003. Lecture Notes in Computer Science, vol 2858. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-39707-6_42
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DOI: https://doi.org/10.1007/978-3-540-39707-6_42
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