نتایج جستجو برای: boussinesq approximation

تعداد نتایج: 199685  

2012
Eduard Feireisl Antońın Novotný

We consider the full Navier-Stokes-Fourier system in the singular limit for the small Mach and large Reynolds and Péclet numbers, with ill prepared initial data on R 3. The Euler-Boussinesq approximation is identified as the limit system.

2005
Xiaoming Wang X. WANG

We rigorously justify the infinite Prandtl number model of convection as the limit of the Boussinesq approximation to the Rayleigh-Bénard convection as the Prandtl number approaches infinity. This is a singular limit problem involving an initial layer.

Journal: :Journal of Atmospheric and Oceanic Technology 2001

Journal: :Nuclear Fusion 2022

Abstract We present the first simulations of a reduced magnetized plasma model that incorporates both arbitrary wavelength polarization and non-Oberbeck–Boussinesq effects. Significant influence these two effects on density, electric potential <mml:mi mathvariant="bold-ital...

Journal: :Geophysical & Astrophysical Fluid Dynamics 2014

Journal: :Continuum Mechanics and Thermodynamics 2015

Journal: :SIAM J. Applied Dynamical Systems 2002
C. Eugene Wayne J. Douglas Wright

In order to investigate corrections to the common KdV approximation to long waves, we derive modulation equations for the evolution of long wavelength initial data for a Boussinesq equation. The equations governing the corrections to the KdV approximation are explicitly solvable and we prove estimates showing that they do indeed give a significantly better approximation than the KdV equation al...

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