欢迎登录材料期刊网

材料期刊网

高级检索

Lattice Boltzmann(LB)方法是近年来出现的一种流体计算的新方法,在流体力学及相关领域取得了很大的成功.但LB方法在模拟湍流流动时常常引起计算的不稳定.本文基于一种结合大涡模型的LB方法对圆柱绕流问题进行的模拟,并与其他文献的实验结果和计算结果进行对比.计算表明,这种混合LB方法能获得比较满意的结果.

参考文献

[1] Lesieur M;Metais O .New Trends in LES of Turbulence[J].Annual Review of Fluid Mechanics,1996,28:4582.
[2] Chen S.;Doolen GD. .Lattice Boltzmann method for fluid flows [Review][J].Annual Review of Fluid Mechanics,1998(0):329-364.
[3] Teixeira CM. .Incorporating turbulence models into the lattice-Boltzmann method[J].International Journal of Modern Physics, C. Physics and Computers,1998(8):1159-1175.
[4] Hou S;Sterling J;Chen S et al.A Lattice Boltzmann Subgrid Model for High Reynolds Number Flows[J].Fields Institute Communications,1996,6:151-166.
[5] Smagorinsky J .General Circulation Experiments with the Primitive Equations, Part I: the Basic Experiments[J].Monthly Weather Review,1963,91:99-165.
[6] GuoZ;Zheng C;Shi B.An Extrapolation Method for Pressure and Velocity Boundary Conditions in Lattice Boltzmann Method[A].北京,2000:198-202.
[7] M. Breuer .Large eddy simulation of the subcritical flow past a circular cylinder: numerical and modeling aspects[J].International Journal for Numerical Methods in Fluids,1998(9):1281-1302.
[8] Ong L.;Wallace J. .THE VELOCITY FIELD OF THE TURBULENT VERY NEAR WAKE OF A CIRCULAR CYLINDER[J].Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow,1996(6):441-453.
上一张 下一张
上一张 下一张
计量
  • 下载量()
  • 访问量()
文章评分
  • 您的评分:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%