CONDIF法による正方形キャビティ内流れの数値解析

元データ 1989-07-25 一般社団法人日本機械学会

概要

Many benchmark problems for the numerical analysis of the fluid flow have been proposed. In this paper, a lid-driven cavity flow which is one of the most famous benchmark problems is examined. Four numerical schemes are compared with each other in terms of the grid dependency and accuracy of the solutions. From the viewpoint of the interaction between neighboring computational cells, we choose a 'CONDIF : Controlled Numerical Diffusion with Internal Feedback' approach developed by Runchal and we check this scheme for this cavity flow problem. Consequently, it is found that the CONDIF' approach is very stable for the grid Peclet number condition and the time step is not sensitive to the Courant condition.

著者

横川 三津夫 日本原子力研究所計算科学技術推進センター
功刀 資彰 日本原子力研究所
功刀 資彰 京都大学工学研究科
横川 三津夫 日本原子力研究所:(現)産業技術総合研究所グリッド研究センター
横川 三津夫 日本原子力研究所

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