GSMAC有限要素法による非圧縮粘性流体の解析 : 解析スキームの改良

概要

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The GSMAC-FEM (Generalized Simplified Marker and Cell FEM) which is an extension of the SMAC-FDM is a stable and fast scheme for the incompressible viscous flow. The rotation form of the Navier-Stokes equation in which velocity and Bernoulli function are interpolated as a linear function and a constant function. This interpolation is simple and convenient in making the mesh system. On the contrary, the approximation which is mentioned above makes it difficult to analyze inlet-exit flow including the Neumann's boundary conditions. The present paper shows a modified GSMAC method which is available for high Reynolds flows with Neumann's boundary conditions (especially the pressure boundary).The modified scheme consists of an algorithm which satisfies the continuity equation much more than the previous GSMAC method.
社団法人日本機械学会の論文
1988-11-25