CONVERGENCE TO NONLINEAR DIFFUSION WAVES FOR SOLUTIONS OF A SYSTEM OF HYPERBOLIC CONSERVATION-LAWS WITH DAMPING

被引:372
|
作者
HSIAO, L [1 ]
LIU, TP [1 ]
机构
[1] STANFORD UNIV,DEPT MATH,STANFORD,CA 94305
关键词
D O I
10.1007/BF02099268
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We consider a model of hyperbolic conservation laws with damping and show that the solutions tend to those of a nonlinear parabolic equation time-asymptotically. The hyperbolic model may be viewed as isentropic Euler equations with friction term added to the momentum equation to model gas flow through a porous media. In this case our result justifies Darcy's law time-asymptotically. Our model may also be viewed as an elastic model with damping.
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页码:599 / 605
页数:7
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