应用格子波尔兹曼模型模拟建筑物周围流场  

Simulation of fluid field of building with lattice boltzmann model

作　　者：杨丽明[1] 王晓墨[1] 

机构地区：[1]华中科技大学能源与动力工程系

出　　处：《华中科技大学学报（自然科学版）》2002年第7期17-19,共3页Journal of Huazhong University of Science and Technology(Natural Science Edition)

基　　金：湛江海洋大学工程热物理重点学科基金资助项目

摘　　要：采用格子波尔兹曼方法 ,应用三维格子波尔兹曼模型对不同雷诺数和不同宽高比的建筑物周围流场进行了模拟计算 ,结果证明随着雷诺数的增加出现了回流区 ,且雷诺数和宽高比越大 ,回流区的面积越大 .由此可见 。The authors used lattice Boltzmann method to simulate the flow around the building. The flow around the building characterized by different Re number and different width height ratio were computed by using 3 D lattice Boltzmann model. It was proved that circumfluence would appear along with the increase of Re number. The bigger the Re number and width height ratio were, the wider the area of the circumfluence was. As a result, it was feasible to use lattice Boltzmann method to simulate the flow around buildings.

关 键 词：建筑物周围流场 格子波尔兹曼模型 NAVIER-STOKES方程 数值模拟计算 流体动力学 雷诺数 回流区 

分 类 号：O354[理学—流体力学]