Time decay rate for two 3D magnetohydrodynamics- α models

被引：13
|
作者：
Jiang, Zaihong [1 ]
Fan, Jishan [2 ]
机构：
[1] Zhejiang Normal Univ, Dept Math, Jinhua 321004, Peoples R China
[2] Nanjing Forestry Univ, Dept Appl Math, Nanjing 210037, Jiangsu, Peoples R China
来源：
MATHEMATICAL METHODS IN THE APPLIED SCIENCES | 2014年 / 37卷 / 06期
关键词：
time decay; Navier-Stokes-; alpha; MHD-; Leray-; alpha-MHD; NAVIER-STOKES EQUATIONS;
D O I：
10.1002/mma.2840
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We consider the long time behavior of solutions to the magnetohydrodynamics- alpha model in three spatial dimensions. Time decay rate in L-2-norm of the solution is obtained. Similar results for a generalized Leray- alpha-magnetohydrodynamics model are also established. As a by-product, an optimal time decay rate for the Navier-Stokes- alpha model is achieved. Copyright (c) 2013 John Wiley & Sons, Ltd.
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页码：838 / 845
页数：8
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