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Attractors for nonautonomous nonhomogeneous Navier - Stokes equations

A Miranville-+ and X Wang++

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Recommended by S Childress

In this paper our aim is to derive an upper bound on the dimension of the attractor of the family of processes associated to the Navier - Stokes equations with nonhomogeneous boundary conditions depending on time. We consider two-dimensional flows with prescribed quasiperiodic (in time) tangential velocity at the boundary, and obtain an upper bound which is polynomial with respect to the viscosity.


PACS

47.10.ad Navier-Stokes equations

02.30.Jr Partial differential equations

MSC

37F35 Conformal densities and Hausdorff dimension

35Q30 Stokes and Navier-Stokes equations (See also 76D05, 76D07, 76N10)

35B41 Attractors

37L30 Attractors and their dimensions, Lyapunov exponents

76D05 Navier-Stokes equations (See also 35Q30)

Subjects

Fluid dynamics

Mathematical physics

Dates

Issue 5 (September 1997)

Received 8 October 1996, in final form 3 April 1997



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