查询词典 finite difference approximation

A directed graph, or digraph G consists of a finite nonempty set of vertices V, and a finite set of edges E, where an edge is an ordered pair of vertices in V.

有向图，或图克组成的有限非空子集的顶点V和有限的一套边英，那里的优势是下令对顶点在五顶点也称为节点。

But using object oriented programming to study Finite Element is a new method to design and construct Finite Element.

本文从计算机科学的角度出发，将电磁场数值分析方法与软件科学相结合，研究了面向对象有限元方法的原理，设计了电磁场数值分析可视化软件系统。

Based on the object-oriented theory, A new object oriented finite element framework is set up in Chapter Seven. This framework takes the extension of programs into account thoroughly and is very convenient to add other kinds of finite elements.

在本文第七章中，利用面向对象有限元思想，提出了新的面向对象的有限元分析整体构架，该构架充分考虑了程序的扩充性，可以方便地增加其它单元。

A constitutive equation of the porous media is obtained in the coupling processes. According to the coupling model, a decoupled method is presented. The finite element equation is set up under several conditions and an object oriented finite element program is compiled.

推导了多孔介质在耦合作用下的本构方程，对于耦合模型提出了解耦方法，推导了不同边界条件下的有限元方程，并作为依据编制面向对象的有限元程序。

For detail,we studied the Incidence Algebra I defined by finite Partially Ordered Set X,and sheaf F based on the topology T_x defined by the partial order;By studying the relation between finite module category mod I and the sheaf category Sh_x A,we proved that they are equivalent.

特别的，对给定的有限偏序集X确定的Incidence代数Ⅰ，及由X的序关系定义的拓扑结构T_X上的层F，通过考查有限模范畴modⅠ与层范畴Sh_XA之间的关系，证明了Incidence代数上的模范畴与层范畴的等价性。

And then with the help of the IP -groups' constructions, studies will be centered on its nature, and its relations with the finite solvable subsimple group and the finite groups in which every element has prime order and applying the two principles on IP -groups.

随后利用IP -群的结构，重点来研究其性质，指出它与可解有限次单群、质元群之间的包含关系，并且将质元群中的两个重要性质推广到IP -群中。

Based on the transmission gears, this paper has studied systematically the method of fatigue lifetime prediction under stochastic loads, through probability statistics, finite element and fatigue analysis. The influences of uncertainty of load statistical distribution, finite element model and mechanical performance parameters of material on fatigue life prediction are analyzed.

本文以传动齿轮为研究对象，应用概率统计、有限元和疲劳分析，深入、系统地研究了自行火炮传动齿轮在随机载荷作用下疲劳分析与寿命预测的理论方法，分析了载荷统计分布、有限元模型和材料力学性能参数的不确定性对疲劳寿命预测的影响。

Finite element language and finite element program generator which have been developed in recent years as a new trend of developing application softwares are introduced in this article.

本文介绍了最近发展起来的应用软件的一个新方向——有限元语言和有限元程序自动生成系统。

We in this paper present a composite grid method based on the system of finite element program generator to solve finite element problems with local singularity, which often occurs in engineering and scientific computing.

针对工程计算中经常出现的局部特性问题，和以往解决此类问题的算法的局限性，提出一种基于有限元自动生成系统的组合网格算法。

The finite element program of the Navier-Stokes equation of the incompressible viscous flow is generated by Finite Element Program Generator successfully.

通过有限元生成系统产生了粘性不可压流体Navier-Stokes方程的有限元程序。

He has to relate with three women in the movie, and yet remain implicitly faithful to the unseen Lucinda.

让克劳德布里亚里成功地饰演试验了一个难度很大的角色：和三个女人打交道，但还要底下对观众未曾谋面的卢馨达保持忠诚。

The experiment was conducted to study effects of inulin on the growth performance, indices of immune organs and serum immunoglobulin of laying chicklings as well as the performance of inulin which replaced the antibiotics in diets by adding 0.2%, 0.4% and 0.8% of inulin, respectively.

试验旨在通过在蛋用雏鸡日粮中添加0.2%、0.4%和0.8%的菊粉，研究菊粉对蛋雏鸡生长性能、免疫器官指数和血清免疫球蛋白的影响，以及菊粉替代抗生素对蛋雏鸡的应用效果。