https://scholars.lib.ntu.edu.tw/handle/123456789/408534
標題: | Modified finite element solutions for planar entry flow of an Oldroyd-B fluid | 作者: | Hwang C.J. Lee E. |
關鍵字: | Boger Fluid;Finite Element Solution;Planar Entry Flow | 公開日期: | 1998 | 卷: | 29 | 期: | 6 | 起(迄)頁: | 397-404 | 來源出版物: | Journal of the Chinese Institute of Chemical Engineers | 摘要: | In this study a modified finite element method (FEM) is utilized to simulate the 4:1 planar entry flow of an Oldroyd-B fluid. Several numerical techniques are employed, such as the pseudo-transient method, the decoupled approach, the penalty formulation, and streamline upwinding skill, to facilitate calculation of convergent numerical solutions when fluid elasticity is increased. This procedure yields more satisfactory results in that the upper limit of the Weissenberg number, where a convergent solution is obtainable, is much higher.In this study a modified finite element method (FEM) is utilized to simulate the 4:1 planar entry flow of an Oldroyd-B fluid. Several numerical techniques are employed, such as the pseudo-transient method, the decoupled approach, the penalty formulation, and streamline upwinding skill, to facilitate calculation of convergent numerical solutions when fluid elasticity is increased. This procedure yields more satisfactory results in that the upper limit of the Weissenberg number, where a convergent solution is obtainable, is much higher. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/408534 | ISSN: | 03681653 |
顯示於: | 化學工程學系 |
在 IR 系統中的文件,除了特別指名其著作權條款之外,均受到著作權保護,並且保留所有的權利。