( 2 ) to cut down great calculation of assembling and disassembling of stiffness matrix in the nonlinear procedure , the initial stress method is introduced to resolve the nonlinear equations ( 2 )使用初应力法对非线性方程组进行迭代计算，避免了组装和分解总体刚度矩阵的繁杂而庞大的运算。
Fem makes use of the ansys - emag software , while bem adopts our own developed program . a basic form of the iterative calculation with the combination of fem and bem is put forth 在迭代计算过程中，有限元法使用了ansys - emag软件，边界元法使用作者自己开发的计算程序，并确定了基本迭代格式。
The advantage of this algorithm is that its computing quantity and computing time are less than the divide - and - conquer algorithm of k . y . li . with good parallelism in nature , it is quite suitable for parallel processing 该算法利用割线法迭代计算广义特征值，具有计算量少，计算速度快的优点，并且算法具有内在并行性。
Moreover , mean queue length expressions of asymmetric system are obtained explicitly via iterative algorithm on the first moments of the system , and simulation results demonstrate effectiveness of analysis 通过对系统一阶特性的迭代计算，最终解析出非对称情形下的平均排队队长表达式，并且利用计算器仿真实验证明了分析的有效性。
In details , the major contributions of this thesis are as the following : as , we know , distributed suboptimal method need complex compute processing and ca n ' t be used in the system containing more than 3 sensors 针对分布式次优融合方法迭代计算复杂、无法用于多于三个传感器的系统的现状，提出了消除相关估计方差的分布式算法。
Composite materials shell ' s finite element analysis cites 3 - d nonlinear finite element analysis theory to discuss the finite element interative calculate method . the convergence speed of this method is very fast 复合材料壳体层间有限元分析采用准三维非线性有限元分析理论对壳体层间有限元迭代计算方法进行了讨论，该方法的收敛速度较快。
By adopting the method , optimized runners and gate dimensions could be gained through iterative calculation according to the output results of the flowing simulation software after the location of the runners and cavities were fixed 利用该方法可在流道和型腔布置设定好后，根据流动模拟软件的输出结果，通过迭代计算得到优化的流道和浇口尺寸。
At the same time computation time was controlled by the maximum iteration . the ideal cutting contour would be obtained . the cutting contours of three typical cover panels were calculated by using the error - adjustment method 优化方法基于材料的实际变形路径并进行迭代计算,同时采用最大迭代次数以控制计算时间,最终得到比较精确的修边轮廓线。
In this paper , a method by the use of the stress - strain relations and the iterative calculation based on the finite element analysis was proposed to reconstruct the elastic modulus distribution from the axial strain distribution of tissues 本文提出一种利用组织的应力应变关系和基于有限元分析的迭代计算方法，从组织的纵向应变分布重建出组织的弹性模量分布。
By this model , the - eigenvalue problem can be treated as a series of k eigenvalue problems with a certain number which is adjusted by keff . the monte carlo code for calculating eigenvalue problem has been developed in this thesis 该模型把本征值问题的计算转化成带参数的一系列k本征值问题的计算，其参数值的调节通过上一次迭代计算的k _ ( eff )来实现。
