管道Bingham流的变网格有限元法  

Finite Element Approximation with Moving Grid for Bingham Fluid

作　　者：戴培良[1] 许学军[2] 

机构地区：[1]常熟高等专科学校教学系,常熟215500 [2]复旦大学,上海200433

出　　处：《应用数学与计算数学学报》1994年第2期27-32,共6页Communication on Applied Mathematics and Computation

摘　　要：本文讨论了管道Bingham流的变网格有限元逼近,并在合理的正则性假设下,得到了确定模意义下的误差估计。Finite element approximation for a Bingham fluid for which the mesh in space may be changed with time step is considered. Under realistic regularity assumptions on the exact solution, and error estimate in a certain norm is derived.

关 键 词：Bingham流 有限元 变网格有限元法 管道 

分 类 号：O37[理学—流体力学] O242.21[理学—力学]