MASSIVELY PARALLEL COMPUTATIONAL METHOD FOR LARGE-SCALE INCOMPRESSIBLE VISCOUS FLOW BASED ON UNSTRUCTURED GRIDS

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  • 非構造格子に基づく大規模非圧縮性粘性流れ解析のための超並列計算法
  • ヒコウゾウ ゴウシ ニ モトヅク ダイキボ ヒアッシュクセイ ネンセイ ナガレ カイセキ ノ タメ ノ チョウヘイレツ ケイサンホウ

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A parallel finite element method based on domain decomposition method is presented for large-scale computation of incompressible Navier-Stokes flow. The finite element computations, carried out using unstructured grids, are based on semi-implicit formulation. The pressure Poisson equation, which consume the most of computational time, is completely parallelized using element-by-element SCG method. The present method is shown to be a useful and powerful tool for the large-scale computation of incompressible Navier-Stokes flow.

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