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The surface crack of the pontoon shell plate is simulated by using the ABAQUS program.

对于半潜式钻井平台浮箱，裂纹的扩展不仅影响结构的水密性甚至可能对结构的安全产生巨大威胁，并直接决定平台的整体使用寿命。

In the HGA , heuristic algorithm is used to produced initial population , self-adaptive parameter are used in copy operator, crossover operator and mutation operator .Simulated annealing algorithm is also cited ,and only some excellent chromosomes are operated by SA . In this way, HGA could improve its search ability at cost of a little more run time.

混合遗传算法在产生初始种群时引入启发式方法，采用自适应遗传参数和交替使用两种交叉算子；在搜索方式中加入模拟退火机制，采用只对部分优秀染色体进行退火操作的新策略，这样在保证增强寻优能力的情况下尽量减少运算量。

The main forming process of 7005 aluminum by porthole die is simulated with the FEM.

用有限单元法对7005铝合金通过平面分流模成型齿轮泵体型材的主要过程进行了模拟。

Finally, the production cost optimization model of postponement system was simulated.

最后，对延迟生产系统的生产成本优化模型进行了仿真。

After postposition process, the graphics with parameters for parts machining can generate NC program automatically and the machining track can be simulated on the CNC system CTR.

具有参数的零件加工图形通过后置处理后，能自动生成加工所需的NC程序，并可以在数控系统CRT上进行加工轨迹模拟仿真等。

In the second chapter and third chapter, for showing the convergence of Kohonen self-organizing algorithm, we consider the simulated annealing with a potential function of which the gradient is discontinuous.

为说明Kohonen自组织算法的收敛性，在第二章，第三章中，我们考虑了具有间断梯度的势函数的模拟退火。

In this study, four boundary layer flows with the same mean velocity profile (the exponent of power law is 0.30) but different turbulence intensities are first simulated, the turbulence intensities at the model height are 10%, 15%, 20% and 26% respectively.

在此基础上，对不同截面不同高度的两个建筑物间的相互干扰特性进行了系统研究，主要针对建筑物间的静力、顺风向动力、横风向动力的干扰效应进行研究，然后对两个建筑物间的干扰机理进行了详细分析。

As for certain power spectrum and displacement, one stochastic process is simulated and used into servo-dynamic test system.

对一定功率谱和位移情况，在液压伺服试验系统中实现了人工模拟的随机过程的加载试验。

Using the proposed method and Simullink software, a practical hydroturbine unit is simulated. Simulation results show that the proposed method can effectively restrain the affect of communication delay on system stabilty.

最后采用本文方法利用SIMULINK对一个实际的水电机组进行了仿真分析，结果表明该方法可以有效抑制延迟对系统稳定性的影响。

The acid rain cause the cytoplasm, MDA content and praline content increase, the lower the pH values of simulated acid.

酸雨引起板蓝根种子的细胞质膜透性、丙二醛和脯氨酸含量上升，模拟酸雨的pH越小，这种生理反应就越明显。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。