Global attractors and determining modes for the 3D Navier-Stokes-Voight equations
Varga K. Kalantarov , Edriss S. Titi
Chinese Annals of Mathematics, Series B ›› 2009, Vol. 30 ›› Issue (6) : 697 -714.
Global attractors and determining modes for the 3D Navier-Stokes-Voight equations
The authors investigate the long-term dynamics of the three-dimensional Navier-Stokes-Voight model of viscoelastic incompressible fluid. Specifically, upper bounds for the number of determining modes are derived for the 3D Navier-Stokes-Voight equations and for the dimension of a global attractor of a semigroup generated by these equations. Viewed from the numerical analysis point of view the authors consider the Navier-Stokes-Voight model as a non-viscous (inviscid) regularization of the three-dimensional Navier-Stokes equations. Furthermore, it is also shown that the weak solutions of the Navier-Stokes-Voight equations converge, in the appropriate norm, to the weak solutions of the inviscid simplified Bardina model, as the viscosity coefficient ν → 0.
Navier-Stokes-Voight / Navier-Stokes-Voigt / Global attractor / Determining modes / Regularization of the Navier-Stokes / Turbulence models / Viscoelastic models
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