A note on the relativistic Euler equations

被引:13
|
作者
Frauendiener, J
机构
[1] Univ Tubingen, Inst Theoret Astrophys, D-72076 Tubingen, Germany
[2] Jagiellonian Univ, Inst Phys, PL-30059 Krakow, Poland
关键词
D O I
10.1088/0264-9381/20/14/102
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present an alternative way to write the Euler equations for an ideal isentropic fluid as a symmetric hyperbolic system of evolution equations for a timelike vector field. An equation of state has to be provided which relates the length of this vector to the sound velocity. The relation to the conventional formulation is established and some of the consequences are discussed.
引用
收藏
页码:L193 / L196
页数:4
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