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2015 / December Volume 10 No.4
Global Solutions to 3D Isentropic Compressible Navier-Stokes Equations with Free Boundary
Published Date
2015 / December
Title
Global Solutions to 3D Isentropic Compressible Navier-Stokes Equations with Free Boundary
Author
Huihui Kong, Hai-Liang Li, Chuangchuang Liang
Keyword
compressible Navier-Stokes equations; free boundary; spherically symmetric; global existence; expanding rate.
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Pagination
575-613
Abstract
In this paper, we consider the free boundary value problem of 3D isentropic compressible Navier-Stokes equations with the stress free boundary condition where the compressible viscous flow of finite mass expands into infinite vacuum. The density changes continuously (or discontinuously) across the interfaces separating the fluid and vacuum. For the spherically symmetric initial data with finite energy, we prove the global existence of spherically symmetric weak solutions. Furthermore, we investigate the expanding rate of the domain occupied by the fluid.
AMS Subject
Classification
35Q35,(35A01,35B07,35D30,35R35,76N10).
Received
2015-06-22
Accepted
2015-06-15
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