迭代计算

The initial value of the convergence half angle in the iterative synthesis is discussed and a more logical function is given for assigning it.

对轴对称收敛型电子枪设计方法进行了整理分析，就阴极半锥角的初始值对迭代综合法的收敛性能所产生的影响进行了讨论，针对低压缩比条件下原来的Vaughan公式失效的问题进行了分析，给出了更为合理的初始值计算公式。

The method is simple, credible and has high precision and rapid calculation convergency.

该方法迭代过程简单可靠、计算速度快、识别精度高，适用于任意形状和边界条件的复杂智能结构。

In the paper,by using Fourier Series,basic harmonic balancing approximation and optimum numerical iterration,the response computation of a two-degrees-of-freedom dry friction damped vibration absorber system with velocith-dependent variable coefficient of sliding friction under harmonic excitation is discussed.

研究了两自由度滑动摩擦系数随相对速度变化的干摩擦吸振系统简谐激励响应计算问题，提出了最优化处理方法，并推导了相应的迭代方程。

Based on the density matrix equations and by means of the iteration method,the optimization of operating gas pressure was studied theoretically.

运用半经典密度矩阵理论，通过迭代法计算了光泵腔式NH3分子亚毫米波激光器的最佳工作气压。

Brief the; of commonly used method that narrated research to sort solid coupling problem discussed iterative method of dry mode law, across and LS-DYNA finite yuan of software analysis law, the theoretical calculation that is problem of coupling drifting solid offerred new method and train of thought, the analysis of problem of convection solid coupling has fair referenced value.

简要叙述了探究流固耦合新问题的常用方法；讨论了干模态法、交叉迭代法以及LS-DYNA有限元软件分析法，为流固耦合新问题的理论计算提供了新的方法和思路，对流固耦合新问题的分析有一定的参考价值。

The method to update the dynamic viscosity of the material in the aluminum alloy profile extrusion is yielded. The convergence criterion is also discussed.

给出了迭代收敛的判据，并且实现了网格的局部加密，不仅提高了计算效率，而且保证了模拟质量。

Because of the high-non-linearity, the adiabatic lateral wall condition and high aspect ratio , the numerical simulation process possesses a series of features. A number of computations and numerical tests have been conducted to find effective convergence conditions.

由于所计算问题的高度非线性，以及侧壁绝热、大的长径比等特点，使数值模拟的迭代收敛过程出现一系列特点。

This multigrid solver is proven to provide the same accuracy as the finite element solution with respect to energy norm, and the computational complexity is suboptimal.

并证明用共轭梯度法作迭代算子时，该方法可以达到能量模意义下的最优，计算复杂度接近最优。

The model is proved to satisfied user equilibrium condition and other constraint conditions.

模型被证明满足用户平衡条件和相关约束条件，并可利用以有限元算法为基础的迭代解法求得模型的数值解，从而计算出竞争性公共交通枢纽设施的市场份额。

Computational complexity analysis be the numbers of iterations in ESA and SA, respectively.

分别，计算的复杂性分析在ESA 和股份有限公司是迭代的数量。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。