scholarly journals A polygonal scheme and the lower bound on density for the isentropic gas dynamics

2019 ◽  
Vol 39 (7) ◽  
pp. 4259-4277
Author(s):  
Geng Chen ◽  
◽  
Ronghua Pan ◽  
Shengguo Zhu ◽  
◽  
...  
Keyword(s):  
Lower Bound ◽  
Gas Dynamics ◽  
Isentropic Gas Dynamics ◽  
Isentropic Gas

LARGE TIME DECAY OF SOLUTIONS TO ISENTROPIC GAS DYNAMICS WITH SPHERICAL SYMMETRY

2009 ◽  
Vol 06 (02) ◽  
pp. 371-387
Author(s):  
NAOKI TSUGE
Keyword(s):  
Spherical Symmetry ◽  
Gas Dynamics ◽  
Large Time ◽  
Approximate Solutions ◽  
Large Time Behavior ◽  
Time Behavior ◽  
Time Decay ◽  
Decay Of Solutions ◽  
Isentropic Gas Dynamics ◽  
Isentropic Gas

We consider the large time behavior of solutions to isentropic gas dynamics with spherical symmetry. In the present paper, we show the decay of the pressure in particular. To do this, we investigate approximate solutions constructed by a difference scheme.

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