Journal
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS
Volume 37, Issue 4, Pages 1923-1939Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/dcds.2017081
Keywords
Navier-Stokes equations; regularity criteria; global well-posedness; axisymmetric; swirl
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Funding
- NSF of China [11271322, 11331005, 11271017]
- National Program for Special Support of Top-Notch Young Professionals
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In this paper, we study the three-dimensional axisymmetric NavierStokes system with nonzero swirl. By establishing a new key inequality for the pair (omega(r)/r, omega(theta)/r), we get several Prodi-Serrin type regularity criteria based on the angular velocity, u(theta). Moreover, we obtain the global well-posedness result if the initial angular velocity u(0)(theta) is appropriate small in the critical space L-3 (R-3). Furthermore, we also get several Prodi-Serrin type regularity criteria based on one component of the solutions, say omega(3) or u(3).
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