## Abstract We consider the Navier–Stokes equations for compressible, barotropic flow in two space dimensions. We introduce useful tools from the theory of Orlicz spaces. Then we prove the existence of globally defined finite energy weak solutions for the pressure satisfying __p__(__ϱ__) = __aϱ__lo
On the domain dependence of solutions to the Navier–Stokes equations of a two-dimensional compressible flow
✍ Scribed by Fei Jiang; Zhong Tan
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 145 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0170-4214
- DOI
- 10.1002/mma.1138
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✦ Synopsis
Abstract
We consider the Navier–Stokes equations for compressible, barotropic flow in two space dimensions, with pressure satisfying p(ϱ)=__a__ϱlog^d^(ϱ) for large ϱ, here d>1 and a>0. After introducing useful tools from the theory of Orlicz spaces, we prove a compactness result for the solution set of the equations with respect to the variation of the underlying bounded spatial domain. Especially, we get a general existence theorem for the system in question with no restrictions on smoothness of the bounded spatial domain. Copyright © 2009 John Wiley & Sons, Ltd.
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