Stability analysis using compressible viscoelastic formulation

被引：7
|
作者：
Sureshkumar, R [1 ]
机构：
[1] Washington Univ, Dept Chem Engn, Mat Res Lab, St Louis, MO 63130 USA
来源：
JOURNAL OF NON-NEWTONIAN FLUID MECHANICS | 2004年 / 116卷 / 2-3期
基金：
美国国家科学基金会;
关键词：
viscoelastic; compressible; stability analysis;
D O I：
10.1016/j.jnnfm.2003.11.003
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Compressible viscoelastic formulation (CVF) is used to perform stability analysis of planar and curvilinear flows. Incompressible eigensolutions are recovered from CVF in the limit of small compressibility. CVF allows for the derivation of a simple eigenvalue problem for stability analysis as compared to a generalized eigenvalue problem (GEVP) that results from the incompressible flow equations. Hence computational cost can be significantly reduced. A minimal CVF useful for multi-dimensional flows is presented. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：471 / 477
页数：7
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