k-ε乱流モデル計算への cyclic reduction 法の適用
スポンサーリンク
概要
- 論文の詳細を見る
We made some numerical experiments on the methods of solution of tridiagonal linear equation which is an important problem in thermohydraulic calculations. Gauss elimination method and cyclic reduction method were tested using four computers for the diagonal linear system of equations and the turbulent pipe flow problem by means of the k-ε two-equation model. The computing time was compared among both methods in terms of computers and the dimension of the tridiagonal matrix or the number of grid cells. As the result, it is found that the cyclic reduction method is faster on a FACOM VP2600/10 for more than 127 equations, while the Gauss elimination method is faster in case that the number of equations is small. And it is also found that the use of the cycle reduction method reduces the computing time of the turbulent pipe flow calculations on a FACOM VP2600/10.
- 九州大学大学院総合理工学研究科の論文
- 1992-12-01
九州大学大学院総合理工学研究科 | 論文
- 汎用マイクロプロセッサを用いたDatarol-IIプロセッサエレメントにおける細粒度スレッド処理機構
- 体積法による高圧下のガラス転移の研究
- Synthesis of 3,4-Dibromo-2,5-bis-substituted Thiophenes
- Reaction of 3a, 5, 6a-Tripheny1-3, 3a-dihydro-2H-furo[3,2-b]-pyrrole-2,6 (6aH)-dione with Hydrazine, Phenylhydrazine, and Benzoylhydrazine
- Pressure Effect on the Cycloaddition of Tropone to 2,3-Dihydrofuran