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• 数学 •    下一篇

JohnsonSegalman模型非定常解的估计与数值计算

李松涛, 张旭利, 杨 荣, 黄明游   

  1. 吉林大学 数学学院, 长春 130012
  • 收稿日期:2007-08-23 修回日期:1900-01-01 出版日期:2008-05-26 发布日期:2008-05-26
  • 通讯作者: 李松涛

Estimation and Numerical Scheme of Unsteady Solution of JohnsonSegalman Model

LI Songtao, ZHANG Xuli, YANG Rong, HUANG Mingyou   

  1. College of Mathematics, Jilin University, Changchun 130012, China
  • Received:2007-08-23 Revised:1900-01-01 Online:2008-05-26 Published:2008-05-26
  • Contact: LI Songtao

摘要: 采用JohnsonSegalman流体模型(简称JS模型)作为 聚合物流体剪切流动的数学模型, 给出了其非定常解的有界性和按Sobolev范数的先验估计式以及当ε=0时迎风差分格式的模拟JS模型.

关键词: 先验估计, 迎风差分格式, JohnsonSegalman流体

Abstract: With the JohnsonSegalman (JS) model as a model of the shear flow of polymeric fluid, we proved that unsteady solution is bounded and presented a priori estimation in Sobolev norm and an upwind scheme with ε=0 for the model.

Key words: priori estimation, an upwind scheme, JohnsonSegalman fluid

中图分类号: 

  • O241.82