Then , the basic idea , calculation step , mechanical foundation of finite - element method and its use in motor vehicles are expatiated in detail . the function and open style structure of the finite - element analysis software , msc . nastran , and the main features of msc . patran are concretely explained . furthermore , the theory section of msc . nastran is showed 本文详细阐述了有限单元法的基本思想，计算步骤，力学基础以及其在汽车工业中的应用；具体说明了有限元分析软件msc . nastran的功能和它的开放式结构以及msc . patran的主要特点，此外，还对msc . nastran的理论部分做了进一步的说明。
A fast non - iterative global motion estimation ( gme ) algorithm is disclosed for estimating the perspective transform global motion parameters from the motion vectors ( mv ) obtained from the block matching process that includes grouping a plurality of motion vectors in the input video stream into a predetermined number of groups of motion vectors , calculating a set of global motion parameters from each of the predetermined groups of the motion vector , and processing the set of global motion parameters generated from the calculation to obtain a final estimation 本发明系关于一种快速非反覆式全域移动估测方法，以由区块匹配程序中所获得的移动向量去估测一透视转换全域移动参数，其包含一分组步骤，将该输入影像资料流中的多个移动向量区分成具有预定数目的移动向量之群组?一计算步骤，系依据每一群组中之移动向量，求取该等群组之全域移动向量参数值?一处理步骤，系处理计算步骤中所计算出的每一群组之群组全域移动向量参数值，以获得一最后之全域移动向量。
In other words , the process of analyzing relaxation zone related to one safety factor can also be regarded as the process of searching potential slide surface related to the same safety factor . elastic wedge model is used for analysis of relaxation zone of cutting homogeneous slope . on the basis of elastic plane - strain theory , the relaxation zone can be calculated according to mohr - coulomb or drucker - prager law and single tension intensity principle which are both related to one safety factor after three - dimensional stress field of the cutting slope is got 提出均质边坡开挖松弛区可以用弹性理论中的楔形体理论分析，在平面应变问题的基础上得到开挖坡体的三向应力场之后，可运用考虑安全储备后的强度条件(主要为摩尔?库仑或德鲁克?布拉格强度准则和单轴抗拉强度准则)解析坡体分步开挖过程中的松弛区范围，给出了具体的计算步骤，并通过算例较详细地说明了操作过程。
This algorithm can identify and choose in - core or out - of core algorithm based on different scale of computation and cluster during each computing phase . and parallelization during each phase is implemented . this algorithm can solve the residual equations parallelly and the current data distribution of residual equations does not change ( 4 )给出了一种可以在计算的每一个阶段根据不同的计算规模和机群规模，自动识别选用内存或外存算法的边界元子域并行算法；实现了各主要计算步骤的并行化；对于剩余方程组的并行求解，算法可以在不改变当前数据分布状态下，实行并行求解。
According to the computation process of the fem and assumption , associating of the fem mesh that have separated and the grouting stress diffusion equation , the integral stiffness matrix and the load matrix can be formatted , then the displacement of the nodal point can be got after solving the simultaneous linear equations . and then the grouting parameter can be computed and analyzed 然后，依据有限元法的计算步骤和所作的假设，结合已经离散化了的网格、灌浆压力扩散衰减公式，形成整体刚度矩阵、荷载矩阵，经求解后得到结点的位移，并依此计算分析灌浆参数。
In the paper the characteristics and dividing methods of cells , as well as some relevant computer programmes are given , which have proved to be correct by several examples of structures of bar system the calculation of the new method is simpler because it need not form the global stiffness matrix that is necessary in fem , and solve the boundary problems of partial differential equations 在此基础上给出杆系的细胞自动机模型、单元划分方法、单元特性和演化规? ?则。并列出了该方法的计算步骤。通过数值计算分析，验证了该方法的正确性，算例表明该方法对结点位移和杆内力收敛速度较快。
The purpose of studying the structure - activity relationship ( sar ) of vitamin e is to study the difference of the molecular geometry , which has different effect on the reaction activity of the molecule and produce different biological activity . semi - empirical ami and pm3 method and ab initio 3 - 21g methods are applied to optimize the four different geometries of tocopherol in the present work . using the two methods we have obtained some parameters about the biological activity 计算步骤是，先使用hyperchem6构造出各种化合物，用hyperchem自带的分子力学mm +和polak - ribiere优化方法在目标分子的构象空间中寻找能量相对较低的构象，然后用am1半经验方法进一步优化其构型，得到一系列能量值，然后利用hyperchem6 . 0其中集成的qsar模块，计算化合物的qsar参数，其中包括：疏水性参数( logp ) 、分子表面积、总体积、折射率、极化率等参数。
In this chapter , concretely , the paper introduces the b - s - m option pricing theory firstly ; analyzes how the option theory is applied to credit risk measurement ; and expatiates on the kmv model ' s development and its present application status , kmv model ' s core idea , and its calculation approach ; fourthly , which is the end of this chapter , the paper introduces how the kmv model applies to calculate those enterprise ' s credit risk , whose stock does n ' t come into the market 第2章介绍了kmv模型用于度量信用风险的理论原理与内容提要方法。其中，首先介绍了b一s一m期权定价模型的基本原理;其次介绍了期权理论在信用风险度量中的应用原理;再次介绍了kmv模型的发展及应用现状、 kmv模型的核心思想及计算步骤，并简要地介绍了kmv模型应用于非上市公司信用风险度量原理。
The inelastic demand spectra are established according to the new chinese seismic design code for buildings by means of force reduction factor r and ductility factor u , thus , a simple and practical method is established for seismic damage assessment in combination with capacity spectrum method ; the structure ' s push - over curve of second earthquake is gained by cutting the curve of quasi - test reversal load pattern method , thus , the structure ' s cumulate damage level can be computed by the capacity spectrum method too ; the results of an example are compared with the facts , and the validity and simplicity of this method is approved 利用r -关系基于抗震规范弹性反应谱建立了能力谱方法中的需求谱，并将该法和能力谱方法结合，建立了一种简单实用的结构损伤评估方法；对拟静力循环往复加载曲线的截取，得到了第二次地震作用的push - over曲线，从而能够继续使用能力谱方法得到结构物的累积损伤值；通过算例阐述了该法的计算步骤，所得结果符合基本规律，且具有概念明确、简单实用的优点。
In this paper , for the requirements of aeroengine testing and ws - 9 aeroengine computer aided testing ( cat ) system , a steady - state numerical model of the ws - 9 aeroengine is developed . it is discussed in detail that the structure of q440 , the ws - 9 steady - state performance program . and it is clarified that the thermodynamic mumerical processes of the engine ' s parts 本文根据航空发动机生产试车以及完善ws ? 9发动机计算机辅助测试( computeraidedtestingcat )系统的要求，深入研究了ws ? 9发动机稳态性能计算程序q440 ，详细分析了程序的结构，分解出q440程序中各个部件模块的热力学计算步骤和过程，运用部件法建立了ws ? 9发动机的稳态模型。
