差分格子ボルツマン法の境界条件

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タイトル別名
  • Boundary Conditions for Finite Difference Lattice Boltzmann Method.
  • サブン ゴウシ ボルツマンホウ ノ キョウカイ ジョウケン

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Two methods of boundary conditions which can be applied to thermal FDLBM models were studied and their performances were evaluated applying bench mark tests. First method, called "control node method", can handle a wide variety of boundary conditions and showed an excellent performance on the test. Although the structure is slightly complicated and it seems rather tedious to make a computing software, this method will promise you accurate simulations. Second method, called "extrapolation method", is an improved version of the method by McNamara. Making a computing software is quite easy and the performance is assured to some extent. It is a viable method if it is not required strict accuracy.

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