有变高度圆柱干扰的平板表面流谱拓扑结构  

TOPOLOGICAL STRUCTURES OF FLOW PATTERNS ON PLATE SURFACE INDUCED BY VARY HEIGHT CIRCULAR CYLINDERS

作　　者：马汉东[1] 周伟江[1] 

机构地区：[1]北京空气动力研究所,北京100074

出　　处：《计算物理》2000年第4期355-359,共5页Chinese Journal of Computational Physics

摘　　要：采用分区方法和Roe三阶流通量差分分裂格式数值求解雷诺平均N S方程 ,湍流附加粘性系数由修正的Baldwin Lomax模型计算 ,数值模拟了高超声速绕变高度圆柱流动 ,进而根据拓扑学理论给出了有变高度圆柱干扰的平板表面流谱拓扑结构 ,并结合对称截面流谱进行了简要的分析与探讨 ,指出了需要进一步深入研究的问题。The hypersonic flows around circular cylinders mounted flat plate are simulated by Reynolds\|averaged Navier\|Stokes equations and modified Baldwin\|Lomax turbulence model. The zonal method and Roe third\|order flux difference splitting scheme are used for the computation. The correspondent topological structures of flow patterns on plate surface are then obtained by topological theory. Some brief discussions are made with emphasizing on problems needed to be further studied. [

关 键 词：圆柱 湍流 数值模拟 拓扑分析 高超音速流动 

分 类 号：O354[理学—流体力学]