查询词典 finite constructibility

Based on basic theory and finite element software and Hypermesh software MSC.patran to further the establishment of the Former subframe of the finite element model, and in general in MSC.

依据有限元基本理论和Hypermesh软件和MSC.patran软件，进一步建立该副车架的有限元模型，并在通用MSC。

It is important to study the structures of finite groups by combining some subgroups with some properties in the researches on finite groups.

用有限群的子群研究有限群的结构在有限群的研究中有重要的作用。

The present paper presents a short proof of the conjecture that a ring with a finite maximal subring is a finite ring.

摘要给出猜测"包含有限极大子环的环是有限环"的一个简短证明。

The finite element structure analysis for sulfurous acid purpose tank car-body is studied through the methods of contact nonlinear and couple degrees of freedom by using the finite element software ANSYS.

利用ANSYS有限元计算软件，采用接触非线性与耦合自由度两种方法对亚硫酸罐车车体进行有限元结构分析，并就两种方法的计算结果作了详细的对比。

The technique of tire three-ply nonlinear finite analysis was expounded at first, a mechanics nonlinear finite element equation was developed under the centrifugal force of a rolling tire.

本文首先阐述了轮胎三重非线性有限元力学分析方法，推导了离心力作用下轮胎力学非线性有限元方程，完善了滚动轮胎有限元力学分析理论。

Since the set of the centres of these balls is finite, it has finite diameter, from which it follows that every totally bounded space is bounded.

因为这些球的中心的集合是有限的，它有有限半径，从而得出所有完全有界空间是有界的。

In this paper, the maximum likelihood algorithm with process and measurement noise for nonlinear continuous-discrete system given by Jategaonkar and Plaetschke is improved in two aspects: 1 to avoid the disadvantages of sensitivities computation by common finite-difference method, in which the perturbation sizes should be selected optionally, an improved finite-difference method with best perturbations, is presented. 2 to improve the numerical stability of Jategaonkar's algorithm, maximum likelihood algorithm with fast triangular square-root decomposition filter is given.

摘要对Jategaonkar等人给出的同时计及过程及观测噪声的非线性连续-离散系统的极大似然算法从两个方面进行了改进：1给出了计算灵敏度的最佳摄动有限差分算法，避免了普通有限差分法计算灵敏度矩阵时需人为选择参数摄动量大小而带来的缺点；2给出了具有快速三角化平方根滤波的极大似然算法，提高了原算法的数值稳定性。

The finite element model of DN200 type metal bellow was set up,based on the finite element theory.

基于有限元理论建立了DN200型金属波纹管的仿真模型。

The "compressed sparse row data format" is adopted to save storage and the "mode multiplication" is used to improve the computation efficiency, so that the finite integration equation is obtained with low storage and high efficiency. To solve the finite integration equation, which is a large-scale sparse algebraic eigenvalue problem under the condition specified, the Krylov subspace iteration method is introduced and the shift-invert Arnoldi method is proposed to exclude the unphysical static electro-magnetic solution and get the needed eigensolution around the specified eigenvalue.

采用"行索引稀疏格式"压缩存贮技术节约内存，采用大型稀疏矩阵的模式乘法，提高矩阵计算效率，高效获得了离散电场分量满足的有限积分方程；针对有限积分特征方程的求解，论文介绍了大型稀疏矩阵Krylov子空间迭代方法，并提出了位移求逆Arnoldi算法，以排除非物理的静态电磁场解，获得指定频率附近的特征值。

It adopts Reynolds time-average N-S equation and k-s turbulence model to calculate the inner 3-D viscid turbulence flow of hydraulic turbine. In the unstructured grid, the governing equations are discredited with Finite Volume Method based on Finite Element Method. And the pressure correction method is proposed in numerical calculations.

然后采用基于雷诺时均N-S方程与标准k-ε湍流模型来计算水轮机三维粘性湍流场，在非结构化网格中，采用基于有限元的有限体积法对方程进行离散，用压力校正法进行数值求解。

A strange and mysterious deep sea creature.

一种奇异、神秘的深海生物。

It's a yellow rectangle .

这是黄色的长方形。