Some progress in the lattice Boltzmann method: Reynolds number enhancement in simulations

被引：51
|
作者：
He, XY
Luo, LS
Dembo, M
机构：
[1] NASA,LANGLEY RES CTR,ICASE,HAMPTON,VA 23681
[2] LOS ALAMOS NATL LAB,CTR NONLINEAR STUDIES,LOS ALAMOS,NM 87545
[3] LOS ALAMOS NATL LAB,THEORET BIOL & BIOPHYS GRP T10,DIV THEORET,LOS ALAMOS,NM 87545
[4] LOS ALAMOS NATL LAB,COMPLEX SYST GRP T13,DIV THEORET,LOS ALAMOS,NM 87545
[5] LOS ALAMOS NATL LAB,COMPUTAT SCI METHODS GRP XCM,APPL THEORET & COMPUTAT PHYS DIV,LOS ALAMOS,NM 87545
[6] NASA,LANGLEY RES CTR,ICASE,HAMPTON,VA 23681
来源：
PHYSICA A | 1997年 / 239卷 / 1-3期
关键词：
lattice Boltzmann method; high Reynolds number simulation; nonuniform mesh grids; flow in 2-D symmetric channel with sudden expansion;
D O I：
10.1016/S0378-4371(96)00486-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A newly proposed lattice Boltzmann algorithm is used to simulate flows with high Reynolds number, The new algorithm is not limited by the lattice Reynolds number which constrains all previous lattice Boltzmann models. Not only is the Reynolds number enhanced in the simulation using the new algorithm but also is the numerical stability improved significantly, Numerical simulations of the Bow in a 2-D symmetrical sudden expansion were conducted to demonstrate the effectiveness of the new algorithm.
引用
收藏
页码：276 / 285
页数：10
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