Journal
NONLINEAR ANALYSIS-REAL WORLD APPLICATIONS
Volume 12, Issue 3, Pages 1736-1747Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.nonrwa.2010.11.006
Keywords
Navier-Stokes equations; Nonlinear damping; L(2) decay; Higher-order derivative; Asymptotic stability
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Funding
- NNSF of China [10801001, 11071001]
- NSF of Anhui Province
- Anhui University [KJTD002B, KJJQ005]
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This paper concerns the asymptotic behavior of solutions to three-dimensional Navier-Stokes equations with nonlinear damping |u|(beta-1)u. We first study the L(2) decay of weak solutions with beta >= 10/3 by developing the classic Fourier splitting method. Second, for 7/2 <= beta < 5, we prove the optimal upper bounds of the higher-order derivative of the strong solution by employing a new analysis technique. Finally, we investigate the asymptotic stability of the large solution to the system with beta >= 7/2 under large initial perturbation. (C) 2010 Elsevier Ltd. All rights reserved.
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