扩展

A scalable parallel algorithm of block tridiagonal systems for solving the initial boundary value problem of 3D-parabolic equation with the Dirichlet boundary condition is discussed.

对三维抛物型方程带Dirichlet边界条件初边值问题的离散系统使用块三对角可扩展并行算法求解。

A scalable parallel algorithm of block tridiagonal systems for solving the boundary value problem of 2D Poisson equation with the Dirichlet boundary condition is discussed.

对二维Poisson方程带Dirichlet边界条件边值问题的离散系统使用块三对角可扩展并行算法求解。

Through the section head Discalced service allows you to upgrade the software on the basis of the original features to add new functionality, extended range of applications, improve application efficiency.

通过科头跣足升级服务能让您的软件在原有功能基础上增加新的功能，扩展应用范围，提高应用效率。

The kernel is adding a discontinuous function for the standard approximation to account for the crack. A feasible technique is adopted for dealing with multiple cracks and intersecting cracks.

本文研究扩展有限元方法，通过改进标准有限元的单元逼近函数，使之能够表达单元内的几何不连续，从而实现切割和断裂的模拟。

The basic theory of extended finite element method are expounded particularly, and given a class of enrichment displacement functions---the exponent discontinuous function which is presented to simulate the discontinuous character resulted from discontinuity such as crack.

本文详细阐述了扩展有限元法的基本原理，提出一类附加位移形函数-指数型间断函数来描述由裂纹所导致的位移不连续规律。

By means of the extended Dirac function, the discontinuous variation in rigidityof the rectangular plate due to the arbitrarily- disposed cylindrical voids is expressed under thecategory of a continuous function.

利用扩展的 Dirac函数，将由于空洞的存在而引起的矩形板的刚度不连续性表示成连续函数的形式，从而实现了不需修正刚度便能写出带圆柱形空洞的矩形板的运动方程。

XFEM;the exponent discontinuous function;crack

扩展有限元法；指数间断函数；裂纹

Extension methods are less discoverable and more limited in functionality than instance methods.

注意扩展方法不容易被发现并且在功能上比实例方法更受限。

In the first chapter, using the concepts of conditional value at risk and expected shortfall, we expand the VaR definition and calculated formula in discrete distribution.

第一章中利用条件风险价值CVaR和期望损失ES的概念，扩展了VaR在离散分布下的定义和计算式。

Using a new range encoding mapping,the differential evolution algorithm can be used to deal with discrete optimization problem.

其次，利用一种新的区间编码映射机制，将差异演化算法扩展到求解离散领域优化问题。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失