数值方法

Imitate of the eddy that take off body (Detached-Eddy Simulation, DES) is the mean square of Reynolds of a kind of union that appears in recent years law and imitate of big eddy numerical value are both the onflow imitate method of the advantage.

梗概： 脱体涡模拟(Detached-Eddy Simulation，DES)是近年来出现的一种结合雷诺平均方法和大涡数值模拟两者优点的湍流模拟方法。

In this paper,it has studied the method of dealing with changing parameter.It is derived for the optimal flight trajectory calculation model from minimum theory.A simple calculation method is applied in calculating differential equations of two points boundary value question.

针对变参数的处理方法进行了研究，给出了计算时间最短水平机动运动的数学模型，并提出了一种简单适用的两点边值问题数值计算方法。

In general, much creationary work in numerical analysis theories of membrane structure and the object oriented finite element theories and the realization of CAD software are done in this thesis.

综上，本文对索膜结构相关的数值分析理论、面向对象有限元方法及CAD实现方法等方面进行做了许多开拓性的工作。

It separates the network into symmetrical parts and unsymmetrical parts,synthetically uses sequence compo nents an d phase components.In the sequence domain,it equals the symmetrical parts to its boundary nod es;in the phase domain,with the po lym orphic calculationtechnique,it deals wi th all kinds of faults directly without huge calculating work as it is in the conventional phase compo nents methood.The example shows the advantages of this improved method.

该方法以相分量故障处理方法为依据，在序坐标下化简对称部分，等效到其边界节点，在相坐标下对化简后的网络处理各种简单和复杂故障，采用多态计算技术，以矩阵变换代替传统的数值方程的计算，避免了相分量法计算量大的缺点。

So a method that combining the model experiment and numerical computation are discussed in this paper. The flow-induced vibration response of the plane recumbent gate in ShangHai qingshui river is computed in this method, and the result is reasonable and credibility, this method can be extend to compute the other hydraulic structures like overfall dam, guide wall, gate pier and so on, which is under fluctuating pressure.

由此探讨了一种将水力模型试验跟数值计算相结合来计算闸门流激响应具体值的方法，并应用于上海清水河泵闸水下卧倒门的流激响应计算上，结果合理可靠，该方法可以推广应用于溢流坝面、导墙、闸墩等受水流脉动荷载作用的其它水工建筑物。

A moving overset grid method with 3D-Euler solver was used to realize the simulation of the separation process.

通过采用运动嵌套网格方法，结合三维Euler方程对飞机外挂物投放过程进行了数值模拟，并针对该投放模拟方法提出了一套合理可行的并行计算方案。

Simple analytic formulas for odd and even mode capacitances per unit length and characteristic impedances for those two coupled structures were derived using conformal mapping method and partial capacitance technique.

采用保角变换和部分电容法，导出了耦合共面波导奇偶模单位长度电容及其特性阻抗的解析表达式。数值结果与利用其他方法分析椭圆耦合带线、三带线耦合共面波导和矩形屏蔽耦合共面波导的结果吻合得较好，表明本方法是可行

Based on Monte Carlo method,four different weighted function moment methods for Pearson Ⅲ distribution which were developed in China are first compared by using the evaluation standard considering unbiasness and effectiveness of parameters and design values.

利用统计试验方法，以参数及设计值不偏性、有效性为评价标准，比较了现行几种权函数参数估计法，结果与以理想样本还原准则为标准所得的结论截然相反，以不偏性、有效性标准的结论是数值积分权函数法，并未对马秀峰权函数法作出改进，还从理论上比较分析以上两种评价标准，结论是理想样本还原为标准来评判估计方法的优劣存在较大缺陷，建议今后尽量不要使用该标

The comparison between two methods of calculating the saturation parameters-the Air-gap Permeance Analysis method and the Field Numerical Analysis method-is given here.

本文还探讨了用气隙磁导分析法和磁场数值分析法考虑饱和影响的参数计算方法，并通过实际计算比较了两种方法的特点。

Numerical experiments were performed to demonstrate the efficiency and efficacy of the proposed methods, for both smooth and piecewise smooth domains with exact and noisy data.

文中给出了数值算例说明了基本解方法和边界节点法求解椭圆型偏微分方程反问题的有效性，分析了基本解方法的收敛性，考察了光滑和分片光滑的几何区域以及数据精确和含有噪音两种情形。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。