Contributions to Current Challenges in Mathematical Fluid Mechanics
(Sprache: Englisch)
This volume consists of five research articles, each dedicated to a significant topic in the mathematical theory of the Navier-Stokes equations, for compressible and incompressible fluids, and to related questions. All results given here are new and...
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This volume consists of five research articles, each dedicated to a significant topic in the mathematical theory of the Navier-Stokes equations, for compressible and incompressible fluids, and to related questions. All results given here are new and represent a noticeable contribution to the subject. One of the most famous predictions of the Kolmogorov theory of turbulence is the so-called Kolmogorov-obukhov five-thirds law. As is known, this law is heuristic and, to date, there is no rigorous justification. The article of A. Biryuk deals with the Cauchy problem for a multi-dimensional Burgers equation with periodic boundary conditions. Estimates in suitable norms for the corresponding solutions are derived for "large" Reynolds numbers, and their relation with the Kolmogorov-Obukhov law are discussed. Similar estimates are also obtained for the Navier-Stokes equation. In the late sixties J. L. Lions introduced a "perturbation" of the Navier Stokes equations in which he added in the linear momentum equation the hyper dissipative term (-Ll),Bu, f3 ~ 5/4, where Ll is the Laplace operator. This term is referred to as an "artificial" viscosity. Even though it is not physically moti vated, artificial viscosity has proved a useful device in numerical simulations of the Navier-Stokes equations at high Reynolds numbers. The paper of of D. Chae and J. Lee investigates the global well-posedness of a modification of the Navier Stokes equation similar to that introduced by Lions, but where now the original dissipative term -Llu is replaced by (-Ll)O:u, 0 S Ct 5/4.
Inhaltsverzeichnis zu „Contributions to Current Challenges in Mathematical Fluid Mechanics “
- Preface- On Multidimensional Burgers Type Equations with Small Viscosity (A. Biryuk)
- On the Global Well-posedness and Stability of the Navier-Stokes and Related Equations (D. Chae, J. Lee)
- The Commutation Error of the Space Averaged Navier-Stokes Equations on a Bounded Domain (A. Dunca, V. John, W.J. Layton
- The Nonstationary Stokes and Navier-Stokes Flows Through an Aperture (T. Hishida)
- Asymptotic Behaviour at Infinity of Exterior Three-Dimensional Steady Compressible Flow (T. Leonaviciene, K. Pileckas).
Bibliographische Angaben
- 2004, 2004, 152 Seiten, Maße: 16 x 24,1 cm, Gebunden, Englisch
- Ed. by Paolo Galdi, Rolf Rannacher and John G. Heywood
- Herausgegeben: Paolo Galdi, Rolf Rannacher, John G. Heywood
- Verlag: Springer
- ISBN-10: 3764371048
- ISBN-13: 9783764371043
- Erscheinungsdatum: 23.07.2004
Sprache:
Englisch
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