Journal
COMMUNICATIONS ON PURE AND APPLIED ANALYSIS
Volume 13, Issue 2, Pages 585-603Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/cpaa.2014.13.585
Keywords
3D Navier-Stokes equations; Leray-Hopf weak solution; Regularity criterion
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Funding
- NSFC [11271322, 10931007]
- Zhejiang NSF of China [Z6100217]
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Several regularity criterions of Leray-Hopf weak solutions u to the 3D Navier-Stokes equations are obtained. The results show that a weak solution u becomes regular if the gradient of velocity component del(h)u (or del u(3)) satisfies the additional conditions in the class of L-q(0, T; <(B)over dot>(s)(p,r)(R-3)), where del(h) = (partial derivative(x1), partial derivative(x2)) is the horizontal gradient operator. Besides, we also consider the anisotropic regularity criterion for the weak solution of Navier-Stokes equations in R-3. Finally, we also get a further regularity criterion, when give the sufficient condition on partial derivative(3)u(3).
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