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Owing to the test of fatigue life,possesses a rather big difficulty and its testing data have the characteristics of strong scatterence and if a prediction is made from using grey-forecasting model GM(1,1,thus its prediction value would get a rather big error compared with the real result,This paper hereby put forward a kind of new method to simulate the test.let the data be firstly processed into logarithmic series so as to reduce the scatterence of data,and then carry out the prediction by the use of grey-forecasting model.

由于疲劳寿命试验具有难度较大，其实验数据具有分散性强的特点，如果直接用灰色预测模型（GM（1，1））作预测，其预测值与真实结果的误差较大。在此提出一种试验仿真的新方法。首先将数据处理成对数序列，以降低其数据分散性；然后再用灰色预测模型进行预测。

A model is erected for Fs with logarithmic spiral sliding surface which can simulate the genuine sliding surface better than others,then the express of Fs is deduced based on the upper bound theorem of limit analisis.

采用对实际滑裂面模拟较好的对数螺旋曲线滑裂面，建立了整体稳定安全系数F_c的模型，从极限分析中的上限理论推导了整体稳定安全系数F_c的表达式。

The random cascade model with a lognormal distribution is used to simulate the infiltration process in soils, and the different methods are applied to estimate the model parameters.

随机层叠模型中具有对数正态分布性质的随机层叠发生器被用来描述水流入渗过程，不同的方法被用于模型参数求解。

Then we built a dynamic model and used the model to simulate the economic long wave undulatory process.

从模型的模拟过程看，这种调节杠杆是由这一经济系统内的潜在的客观生产能力与这一系统的经济市场所表现出的实际需求的相互作用所决定的。

Due to the physical comparability, we use aluminium and lucite to simulate bone and software respectively, and image them under each kind of material thickness, then we can obtain an ideal image model use part of these data, which can be used to calibrate and linearize the X-ray image.

在实验的基础上，提出了一种基于朗伯定律的理想图象模型，用以对数字X射线图象进行灰度的校正及线性化。

It further demonstrates that applying the two-dimensional shallow water equation with the present high-resolution scheme can effectively simulate the propagation of dam-break bores, which may provide a scientific approach for the lucubration of other dam-break flow characteristics and the decision-making of the prevention of disasters.

应用二维浅水方程和本文的高分辨率数值方法能有效地模拟溃坝波的演进过程。

Ant Colony Algorithm is a new developed bionic optimization algorithm, which simulate the ants'finding food process. Because of its simple mechanism, plus-feedback parallelization, strong lustiness and excellent distributed compu- tational mechanism, it has shown its excellent capability and huge developing potential in solving many complicated optimization problems, and it has been successfully applied to production problem such as scheduling problems and routing problems. But it also has some disadvantages, it need longer searching time than others and tend to precocity and stagnation.

蚁群算法是一种最新发展的模拟昆虫王国中蚂蚁觅食行为的仿生优化算法，该算法采用了正反馈并行自催化机制，具有较强的鲁棒性、优良的分布式计算机制、易于与其它方法结合等优点，在解决许多复杂优化问题方面已经展现出其优异的性能和巨大的发展潜力，并已成功地应用于诸如生产调度、布线等生产问题。

In this paper, the direct simulation Monte Carlo method is employed to simulate flows of modeled air vehicles having simple geometric shape such as delta wing at a Knudsen number between 0.001 and 0.1 for various Mach number and angle of attack conditions. With the calculated aerodynamic forces and heating, we obtained the general behavior of the rarefied gas effects on the vehicles' aerodynamics.

本文采用直接模拟 Monte Carlo 方法，模拟了简单外型如三角翼形的模型飞行器在努森数为 0.001到 0.1的范围内以不同来流马赫数和不同飞行攻角飞行时的流场，计算了飞行器所受到的气动力和气动热，获得了稀薄气体效应对飞行器气动性能影响的一般规律。

This paper simplified process of spinning head according to elastic-plastic macro deforming finite element theory. The FEM software MARC is used to simulate the forming processing of thick wall head in drffereut teixiperature conditions in warm spinning.

文中，以弹塑性大变形有限元理论为基础，对封头温旋压成形过程做出合理简化，建立分析模型，利用非线性有限元分析软件MARC对不同温度状态下的厚壁封头温旋压成形过程进行了数值模拟。

Finally, based on the common-purpose flat of ANSYS, the macro file, which can simulate the temperature field and the thermal stress field, is compiled in this paper by using ANSYS Parametric Design Language and many internal functions of ANSYS.

最后在有限元分析程序ANSYS的通用平台上，通过参数设计语言以及多种ANSYS内部函数，编制宏命令来控制ANSYS程序进行施工温度场和温度应力场仿真。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。