3-D flow of a compressible viscous micropolar fluid with spherical symmetry: a local existence theorem

被引：58
作者：
Drazic, Ivan [1 ]
Mujakovic, Nermina [2 ]
机构：
[1] Univ Rijeka, Fac Engn, Rijeka, Croatia
[2] Univ Rijeka, Dept Math, Rijeka, Croatia
来源：
BOUNDARY VALUE PROBLEMS | 2012年
关键词：
micropolar fluid; generalized solution; spherical symmetry; weak and strong convergence; NAVIER-STOKES EQUATIONS; GAS;
D O I：
10.1186/1687-2770-2012-69
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We consider nonstationary 3-D flow of a compressible viscous heat-conducting micropolar fluid in the domain to be the subset of bounded with two concentric spheres that present solid thermoinsulated walls. In thermodynamical sense fluid is perfect and polytropic. Assuming that the initial density and temperature are strictly positive we will prove that for smooth enough spherically symmetric initial data there exists a spherically symmetric generalized solution locally in time.
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页数：25
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