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This paper first analyses the stress acting on the cable by means of tiny segment analytical methods, establishes cable's stress equation, and finds out the relation between the tethered aerostat's position and its stress acting by cable; then, based on the momentum and moment of momentum theorem, the longitudinal nonlinear dynamic equation is established; Finally a numerical simulation of dynamic responses of the balloon and cable to gust are carried out.

本文首先通过微段分析法对缆绳进行受力分析，建立缆绳的受力方程，找出了系留气球在空中的位置同系留气球所受缆绳拉力的关系；然后根据动量和动量矩定理建立了球体的纵向非线性运动方程；最后通过数值仿真计算，对系留气球的纵向动态响应特性进行了分析。

On the other hand, since the integral of solid angle can be calculated aforehand, we are left with only radial momentum integral for numerical calculations.

胶子场的基函数以横电、横磁、纵向三种模式出现，展开系数具有直观的物理意义。

The quadratic polynomials and Kriging method are employed to construct the response surface separately, Numerical results indicate that the forebody and afterbody designed by us is of simple configuration, not only can it ensure the efficiency of propulsion system, but also have a better aerodynamic performance.

响应近似模型分别采用了二次多项式和kriging方法来构造，结果表明由本文设计的前后体外形结构简单，不仅能确保推进系统的工作效率，而且具有更好的气动性能。

The numerical calculation method of infrared radiant intensity of exhaust system of turbine engine without afterburning was studied.

研究了非加力涡轮发动机排气系统红外辐射强度的数值计算方法。

Keywords: Afterburning Efficiency;Solid Ducked Rocket;numerical simulation;Boron;Solid Propellant

中文关键词：二次燃烧效率；固冲发动机；数值模拟；硼；固体推进剂

VC++6.0 is used to compile Numerical simulation system of large forging in quenching process, and pretreatment and aftertreatment programs are integrated with calculating program, so that this program can be used easily.

考虑到程序的通用性和易用性，采用VC++6.0编制了大型锻件淬火过程数值模拟系统，将前后处理程序与计算程序集成。

The two results are very close and in the static state they show good agrement with the actual situation of the slope, provig high accuracy of the present model test and numerical calculation.

两者规律一致、结果相近且在静态情况下与现场实际相符，证明本文模型试验与数值计算的正确性。

These have been developed by the numerical integration of the differential equations of gas motion for a spherical blast wave in air.

这些都是根据空中球形爆震波气体运动的微分方程的数值积分得到的。

This paper conducts a numerical simulation analysis on the fluid-solid coupling of the bridge tower and air by adopting CFD approach.

本文采用CFD方法，在对桥塔进行绕流分析的基础上，还对桥塔—气流的相互作用进行了流固耦合的数值模拟分析。

After numerical simulating, the paper lays out the influence rule that natural air affects the air condenser. According to the local meteorologic data,...

本文通过数值模拟给出宁夏灵武电厂自然风对空气冷凝器的影响规律，再结合当地的气象资料，对直接空冷系统的设计提供依据，并尽量减少不利状况对整个系统的影响。

Recall that, in the Kolmogorov axiomatization, measurable sets are the sets which have a probability or, in other words, the sets corresponding to yes/no questions that have a probabilistic answer.

延期开工的Kolmogorov宣布要衡量所有套职能有限许多坐标限制在于衡量子寅。换句话说，如果是/否的问题回答f可看的价值观念在许多最有限坐标，然后它有一个概率的答案。

The experimental results showed that the algorithm can filter singular points and remain fixity of the target edge.

实验表明：基于模糊理论的图像智能滤波方法比常规图像滤波方法运算量小，它既能去除奇异点，又能保持图像中目标的边缘不变性，具有很好的滤波效果。