问题求解

These problems require great computer sources, so the technique of large-scale parallel process on multiprocessors has become the key to solve them.

这类问题对计算机资源的要求高，而且求解规模比较大，基于多个处理器的大规模并行处理技术已成为解决这类问题的关键技术。

Based upon Adomian decomposition method, we have studied Adomian double decomposition method in this paper. The initial term in Adomian decomposition method has been further decomposed, and modified inverse vector method is obtained.

在求解初边值问题Adomian分解法的基础上，研究了求二维偏微分方程边值问题的双重Adomian分解法，对Adomian分解法的初始项作了进一步分解，使逆算符分解法得到了改进。

First,the 3-d dynamic equations in cylindrical coordinate for transversely isotropic saturated soil were transformed into a group of governing differential equations with 1-order by the technique of Fourier expanding with respect to azimuth,and the state equation was established by Hankel integral transform method,furthermore the transfer matrixes within layered media were deriv...

首先，通过方位角的Fourier变换，将圆柱坐标系下横观各向同性饱和土的三维动力方程转化为一阶常微分方程组，基于径向Hankel变换，建立问题的状态方程，求解状态方程后得到传递矩阵；其次，利用传递矩阵，结合层状饱和地基的边界条件、排水条件及层间接触和连续条件，给出了任意简谐激振力作用下层状横观各向同性饱和地基动力响应的通解；然后，按混合边值问题建立层状饱和地基上弹性圆板非轴对称振动的对偶积分方程，并将对偶积分方程化为易于数值计算的第二类Fredholm积分方程，并给出了算例。

The workflow deadline can be transformed into the time intervals of all tasks based on BL groups, a bottom leveling based algorithm called DBL is proposed.

有向无环图DAG描述的工作流时间费用优化问题是计算网格下一个基本的且难以求解的问题。

This paper introduces TSP firstly,and then discusses the six effective methods generallyGenetic algorithm,Ant Colony algorithm,Hopfield Neural Network,Simulated Annealing algorithm,Artificial Immune alg...

文章介绍了什么是TSP，论述了目前求解旅行商问题较为有效的六种智能算法(遗传算法、蚁群算法、Hopfield神经网络算法、模拟退火算法、人工免疫算法、混合优化算法)，并简单阐述了其优缺点，给出了未来针对TSP问题的研究重点。

Stability is one of the b asic problems f or numerical solution of wave equations.

稳定性问题是数值求解波动方程的基本问题。

Firstly, this algorithm maps a given routing instance to the corresponding graph model, which is a kind of asymmetric grid graph suitable for BBL mode.

在本文中，我们在本教研室原来研究的基础上，就物理设计中BBL模式下典型的多端线网绕障碍布线问题，提出了一种基于生物仿生特性的蚁群算法，通过选择适当的图模型表述，该算法可采用蚁群任务调度策略，模仿蚁群的协同学习机制，来求解多端线网绕障碍的布线问题，并能给出较优的解。

Based on thefundamental equations of motion of the theory of radial nonhomogeneousspherically isotropic elasticity,and,by introducing three displacementfunctions ψ,G and w,we get a simplifted system of the problem thatincludes an independent second order partial differential equation offunction ψ and a coupled partial differential equation set of functions Gand w.

针对沿径向为非均匀的且考虑温度和体积力影响的球面各向同性弹性体的振动问题，本文从三维基本运动方程出发，引入三个位移函数ψ，G和w，将问题简化为求解一个关于ψ的独立的二阶偏微分方程和一个关于G和w耦合的偏微分方程组。

In this paper the shallow water equations in the Lagrangian coordinate s were derived and the numerical solutions were found out for shallow water problem with moving boundary by using a 2 order Godunov scheme.

移动边界问题是水力计算中难点之一，本文用拉格朗日坐标系来描述浅水方程，并用二阶Godunov算法求解有移动边界的浅水问题的数值解。

In this paper the shallow water equations in the Lagrangian coordinates were derived and the numerical solutions were found out for shallow water problem with moving boundary by using a 2 order Godunov scheme.

移动边界问题是水力计算中难点之一，本文用拉格朗日坐标系来描述浅水方程，并用二阶Godunov算法求解有移动边界的浅水问题的数值解。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷