查询词典 finite element method

The following two open problems in the component theory of complete lattices are studied:(1) In a non distributive complete lattice, is it true that any component of an element with finite width is also finite wide?

：研究了完备格成分理论中两个尚未解决的问题：在非分配的完备格中，有限宽元素的成分也是有限宽的吗？

Through constructing a counterexample it is showed that there is a non distributive complete lattice in which a component of some element with finite width is not finite wide....

通过构造反例证明了在非分配的完备格中，有限宽元素的成分不必是有限宽的；还证明了完备格间的同构映射能保持颗粒表示性质和颗粒性质，通过反例证明了同构映射的条件不能减弱，从而解决了以上两上问题。

Through examining and analyzing of the crack in corbel of bridge of Dangtu road in Hefei, a strengthening scheme to paste the steel plate is put forward. The theory of non-linear finite is adopted to analyze the scheme with three dimensional finite element. The result of stress at the crack point which has been reinforced is also made clear.

通过对合肥市当涂路桥牛腿裂缝诊断分析，提出外贴钢片的加固方案，并基于非线性有限元法基本理论，对加固方案进行三维数值分析，给出了片材加固后的牛腿裂纹尖端应力的效果分析。

Finite dement analysis was made for rubber sealing X-ring change section by using finite element theory and ANSYS software.

建立了X形变截面橡胶密封圈有限元模形，比较了X形变截面和X形橡胶密封圈最大综合等效应力情况。

When the temperature distribution is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field and then, the program is compiled.

截面温度场分析在空间域内采用有限元网格划分，在时间域内则用有限差分网格划分。

Some important factors in finite element analysis, such as the quality of meshing andtime-step, are studied and analyzed deeply, which is the base of correct finite elementcomputation.

对影响有限元分析的有关重要参数(如，网格尺寸、网格比例、时间步长等)进行了深入的研究和讨论，为正确地进行有限元计算提供了重要依据；在模型验证的基础上，分别利用模拟器对裂缝半长、导流能力对产能的影响进行了模拟研究，得出了有意义的结论。

It contains boththe finite element equations and finite difference equations in one equation.

拟协调元法是广义协调方程的解，自然满足平衡对弱连续条件的要求。

Element order is an important quantity in finite groups,which influences the integral property of finite groups profoundly.

元素的阶是有限群中重要的算术量，它深刻地反映了有限群的整体性质。

Using the fluid mechanics theory, the Gauss filtration governing equations are presented based on the incompressible Navier-Stokes equation in primitive variables, which are discretized using standard third-order accurate Galerkin finite element scheme in space and discretized using finite differencing scheme in time.

为了考证数值模拟结果的正确性，对水泥在圆弧弯管中的气力输送气固两相流动采用了等速取样和等截面法进行了三种工况的试验研究。试验结果表明，竖直上升弯管出口颗粒浓度在弯管外侧脊线附近颗粒浓度特别高，其余部分相对比较均匀且浓度较低。

For the condensed dynamic stiffness matrix in finite models which have finite number of freedom and any dynamic stifmess matrix of infinite system, the element of them is a transcendental function of eigenfrequency. And therefore transcendental eigenvalue problem is needed to be solved in order to get the natural frequency and modes of vibration.

对于有限自由度系统的缩聚动刚度矩阵和无限自由度系统的任何动刚度矩阵，其元素是频率的超越函数，因此求解结构固有频率及其振型归结为求解超越特征值问题。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。