2423 強非線形式の反復解法のための初期値近似方法(S41-3 流体機械に関連した複雑内部流動の解析と計測(計測・CFD),S41 流体機械に関連した複雑内部流動の解析と計測)  [in Japanese] 2423 Initial Value Approximating Method for Repetitive Solution Method of Strong Nonlinear Formula  [in Japanese]

The CFD numerical solution method for improving the convergency of solver with an incomplete pretreatment is described in this paper. It is shown that the reduction effect of fill in by the ordering method of NO, RCM, and NDO are first compared with the easy mesh, and NDO is excellent. Next, convergent aggravation is controlled in the plastic processing analysis that applied the ICCG method to the NDO mesh by the two step meshing method. The convergent improvement method by optimization of fill in processing of the NDO+ICCG method is proposed to the SIMPLE scheme.