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This paper presents a numerical simulation and study of the transition to chaos of the flow past a two-dimensional circular cylinder.

本文数值模拟并研究了二维圆柱绕流向混沌转捩的情形。

It is said that the drag reduction of the flow past a circular cylinder is of very wide engineering application background and of important theoretical investigating value.

降低亚临界绕流工况下的圆柱绕流阻力具有广泛的工程应用前景和重要的理论研究价值。

A new method, rotationassembleaverage method, for the oscillatory boundary layer flow around a circular cylinder, was proposed.

提出了一种用于模拟圆柱绕流的振荡边界层流动的新方法——旋转系统平均法。

Numerical simulations of flow structure around a circular cylinder in oscillatory flow, ranging in Kc from 1 to 5 and β from 10 to 1665, are presented in the paper.

并与U型振荡水槽中的流场涡结构显示照片比较，计算结果表明，数值解在稳定性和收敛性方面都是比较好的。

Meter radius of the perfect conducting circular -cylinder is obtained, and it is coincided between the theoretical and experiment results.

取得了与实验结果相吻合的计算结果。

This indicates that the MEI for 2D circular conducting cylinder is much more ill than that of rectangular case. This conclusion is very useful in engineering application.

文中为了验证条件数结果的正确性，将用FORTRAN 程序计算的数据同用MATLAB计算的结果进行了比较，结果是一致的。

The aerodynamics characteristics and the flow structure of the circular cylinder with an upstream rod in tandem were examined.

通过风洞测压和水洞流动显示实验，研究了不同直径的扰动体尾迹下圆柱的流动结构和气动特性。

The pressure distributions around the circular cylinder in the numerical and experimental studies show quite a good agreement.

通过数值结果与实验结果的对比，对近壁绕流圆柱体的升力系数及其表面动水压力分布进行了研究，对比结果显示了较好的一致性。

And the limit of the pressures that is not varied about an axis distributed in a hollow circular cylinder is derived.

但以往的文献将其简化为只在柱面上受均布压力，且将其化为二维空间的问题去求解 [4 ]。

In the first part of dissertation, the basic theory of conformal array is introduced. The three-dimension DBF of circular array and cylinder array are presented.

首先，介绍了共形阵的基本理论及相关技术，并对共形阵的常规阵列均匀圆阵和圆柱阵进行了详细的三维波束图仿真研究。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。