差分流线扩散法的局域稳定性分析  

Local Stability Estimetes for Finite-difference Streamline-diffusion Method

作　　者：张强[1] 

机构地区：[1]中国科学技术大学数学系

出　　处：《应用数学》2002年第2期62-67,共6页Mathematica Applicata

基　　金：国家自然科学基金资助项目 (197710 5 0 )

摘　　要：本文讨论差分流线扩散法的局部稳定性分析 ,在理论上证明了该方法依旧保持着流线扩散法扰动局部影响的特性 .In this paper, some local stability estimates for the Finite Difference-Streamline Diffusion(FDSD as short below) method are studied. The analysis state that the FDSD method still contains the advantage of Streamline Diffusion method, i.e., the effects are propagated in the discrete problem approximately along the characteristics.

关 键 词：差分流线扩散法 局域稳定性 对流扩散 有限元 

分 类 号：O241.82[理学—计算数学]