查询词典 collocation of boundary

Motivated by the i dea o f t he v ariable-structure c ontrol, t he c onception o f a pproaching region and leaving region of the switching boundary is developed. The sufficient conditions of whether sliding mode occurs or not on the switching boundary are obtained. Under the assumption of the switching delay time being positive, the sufficient conditions of quasi-sliding-mode occurring on the switching boundary are given.

受变结构控制思想的启发，提出切换线的趋近域和远离域的概念，进而得出系统在切换线上是否会发生滑动模态的充分条件。

At last,the boundary collocation method is used to calculate the energy release rate.

最后，用边界配置法计算了能量释放率。

The new method is valid and high precision through the comparison with the boundary collocation method and the traditional method.

通过实例计算，将其结果与边界元配置法及工程简化方法相比较，证明了该方法是实用的，并能保证计算结果的精度。

The process of using the virtual boundary- equivalent collocation method.

这些算法同样也具有等额配点解法的优点，同时又具有较高的计算精度和解的稳定性。

New Prgress of Collocation Method,Boundary Element Method,and Moving Finite Element Method Forthe Evolution Model of a Basin

中文题名发展方程初边值问题的配置法，边界元法新进展及油气盆地发育史的数值模拟新方法

Many typical problems are studied and compared with boundary collocation method, traditional finite element method and analytical methods. The results indicate that the method is accurate and simple for stress intensity factor computation and is easy to be used in practical engineering.

文中作了大量的裂纹应力强度因子计算，与边界配置法、传统有限元法以及解析法进行了系统的比较，结果表明该方法用于应力强度因子计算不但精度较高，而且简便易行，便于工程实际应用。

From the view of fracture mechanics, the problem involving a center crack in a rectangular piezoelectric body under anti-plane mechanical shear displacement and in-plane electrical field is analyzed by the boundary collocation method in this paper.

从断裂力学的观点出发，采用边界配置法研究了含中心裂纹的矩形截面的压电材料在平面内电场和反平面变形作用下的应力场和电场的解，详细介绍了该方法的程序设计过程。

The most-used numerical method for solving direct boundary integral equation is collocation method, which is simple and faster. Seldom have been used the Galerkin scheme in this case.

一般来说，直接边界积分方程可以很方便的用配点法求解，还未见有实际用Galerkin边界元来解的报道。

Piezoelectric materials ; mode-Ⅲ interface edge crack ; boundary collocation method ; general solution ; stress intensity factor

压电材料；反平面界面裂纹；边界配置法；基本解；应力强度因子

First, the linear combinations of basic set of solutions to Laplace equation under polar coordinate system are chosen as the approximations for the solution of temperature fields,boundary residual collocation method are applied to calculate the distribution of the temperature fields for single-particle model.

本论文主要完成了两方面的工作，一方面是采用加权残值法和边界元法对不同复合材料模型的2D稳态热传导的温度场进行了求解分析。

So it was last week in Selma , alabama.

上星期在亚拉巴马州塞尔马市发生的事件也是这样一个转折点。

The group also spearheads various social programs in China.

该组织还带头参与中国的各种社会活动。