Voronoi fluid particle model for Euler equations

被引:10
|
作者
Serrano, M [1 ]
Español, P [1 ]
Zúñiga, I [1 ]
机构
[1] Univ Nacl Educ Distancia, Dept Fis Fundamental, Madrid 28040, Spain
关键词
fluid particle models; Euler equations; Lagrangian turbulence;
D O I
10.1007/s10955-005-8414-y
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a fluid particle model based on the Voronoi tessellation that allows one to represent an inviscid fluid in a Lagrangian description. The discrete model has all the required symmetries and structure of the continuum equations and can be understood as a linearly consistent discretization of Euler's equations. Although the model is purely inviscid, we observe that the probability distribution of the accelerations of the Voronoi fluid particles shows the presence of tails at large accelerations, what is compatible with experimental Lagrangian turbulence observations.
引用
收藏
页码:133 / 147
页数:15
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