Two-dimensional decaying turbulence in confined geometries

作     者：Gabor Toth Gabor Hazi Hungarian Academy of Sciences 

作者机构：Eotvos UniversityFaculty of Science Department of Physics of Complex System H-1117 BudapestPazmany Peter Setany 1/AHungary Centre for Energy ResearchBudapest H-1525 Konkoly Th.29-33Hungary 

出 版 物：《International Journal of Modeling, Simulation, and Scientific Computing》 (建模、仿真和科学计算国际期刊（英文）)

年 卷 期：2014年第5卷第S1期

页      面：111-119页

核心收录：

学科分类：080704[工学-流体机械及工程] 080103[工学-流体力学] 08[工学] 0807[工学-动力工程及工程热物理] 0701[理学-数学] 0812[工学-计算机科学与技术（可授工学、理学学位）] 0801[工学-力学（可授工学、理学学位）] 

主　　题：Lattice Boltzmann method two-dimensional turbulence no-slip walls 

摘      要：Several interesting phenomena have been observed simulating two-dimensional decaying turbulence in bounded *** this paper,an overview is given about our observations obtained by simulating freely decaying turbulence in different regular polygon shaped containers with no-slip *** these simulations the lattice Boltzmann method has been used as a numerical *** initial Reynolds number based on the container dimension was in the order of 10,*** initial condition was the same in each simulation,therefore,we were able to compare the effect of geometrical constraints on the evolution of relevant physical quantities such as the kinetic energy and the enstrophy.