四边形

基于场一致性的2D四边形单元的共旋坐标法

A field consistency based co-rotational finite element procedure for 2D quadrilateral element

完全多部图的G-分解，G为有一条对角线的四边形

G - decomposition of complete multipartite graph Kn ( g ) where G is a quadrilateral with one diagonal

为了更好的性能，使用三边形和四边形或联合使用三边形与四边形

For best performance , use triangles and quads or a combination of both .

极富创意的办公桌，有着不同形装如三角形、半圆形、曲尺形及四边形，以创造您个人品位的办公室

Various shapes of returns like triangular , semi-circular are available for cresting your own office .

m×n矩形的格点平行四边形和正方形的计数

Counting Lattice Point Parallelograms and Lattice Point Squares from m × n Rectangles

利用四臂腔产生单纵模TEACO2激光的研究平行四边形组合臂架

Investigation of Four-Arm Cavity for Generating Single Longitudinal Mode Operation of TEA CO_2 Laser

单位时间内，通过一部分C的流体，就是一个底在C上的平行四边形里面的东西。

What passes through a portion of C in unit time is the contents of a parallelogram whose base is on C.

最后证明了平行四边形域上W曲面具有保凸性。

Finally , we prove that theW-surface on the parallelogram have the convexity-preserving .

这里有幅更好的图，通过C的流体将是在的C左边，带阴影的平行四边形。

Here is a better picture . I claim that what will be going through C is this shaded parallelogram to the left of C.

窄四边形上类Wilson元的插值误差

The Interpolation Errors of Quasi-Wilson Element for Narrow Quadrilateral

利用S，P，Q和N构成功率四边形，由S，P和Q计算非正弦交流电路的基波功率因数cos（？）

If S , P and Q are known , using the power quadrangle can compute the fundamental harmonic power factor cos (?)

一类改进的Wilson任意四边形单元

A kind of improved Wilson arbitrary quadrilateral elements

通过对电极的路径规划，实现了HIT字符型阵列、往复直线、圆弧、四边形等形状的沉积。

Through planning electrodes ' path , the shapes of HIT character type array , reciprocating straight , arc and quadrilateral are deposited .

任意窄四边形上的类Wilson元

The Quasi-Wilson Element for Arbitrary Narrow Quadrilateral

四边形电极结构PSD的特性测试与分析

Characteristic Test and Analysis of the Tetra - lateral Electrode Frame Position Sensitive Detector

实验结果表明，负载电阻对四边形PSD的总光电流没有影响，但对光斑定位有影响。

The results show that the total photocurrents are not affected but positioning error .

利用Maple计算弹性基础上任意四边形筏板的振动

Analyze vibration of arbitrary quadrilateral plates resting on elastic foundations with maple

STL格式文件的四边形网格剖分与网格光顺

Quadrilateral Mesh Generation Based on STL File Format Model and Mesh Smoothing

另一类DoubleChain是由一系列的平行四边形组成的，即每一对角单元相互之间的四个剪式铰节点形成平行四边形。

The other classification of Double Chain is made of a serious of loop parallelograms , i.e. , in the assemblies each set of four neighbouring hinges form a parallelogram .

求解Navier-Stokes方程组的一类非协调任意凸四边形单元

A class of arbitrarily convex quadrilateral elements for solving Navier-Stokes equations by nonconforming elements

本文提供了用奇异性八结点四边形等参数单元算得的偏裂纹三点弯曲梁和四点弯曲梁的应力强度因子KI和KII。

The stress intensity factors KI and KII of three-point bend specimens and four-point bend specimens are given in this paper by using finite element method .

另外，新格式在规则四边形网格剖分下（如平行四边形网格），对flux（流）函数具有超逼近性。

In addition , the numerical solution of new scheme II have super-approximation for the flux function under the regular partition grids ( e.g. parallelogram grids ) .

管道Bingham流问题的各向异性四边形有限元逼近

An Anisotropic Quadrilateral Finite Element Approximation to Bingham Fluid Problem

研究结果表明，C（60）/C（70）晶体依平面状长大方式生长，最终长成规则的四边形，五边形和六边形晶体。

The results indicate that the growth of C60 / C70 crystal obeys the rule of faceted growth , and it grows , into regular quadrilateral , pentagon and / or hexagon-like crystals finally .

在此基础上，在OpenGL编程环境下，以四边形网格构造蜗杆理论型面，以边界表示法中的半边数据结构表达蜗杆实体，获得蜗杆的三维实体模型及其型面数据。

Under OpenGL environment , we use four-side grids to reconstruct a worm surface and gain a solid modeling of worm .

四节点四边形拟协调Mindlin板单元

A quasi-conforming four node quadrilateral element for Mindlin plate

提出一种任意四边形Reissner－Mindlin板元，挠度和转角均采用分片双线性函数。

In this paper we present a quadrilateral element for Reissner-Mindlin plate .

在此基础上，提出了一种可以有效减小该结构PSD位置误差的系数修正方法，并开发了基于该方法的适用于任意尺寸四边形结构PSD的信号处理器。

Furthermore , a signal processor suit for tetra-lateral PSD with any size based on the method above is developed .

在图中，ABCD是一个平行四边形。

In the figure , ABCD is a parallelogram .

所建立的平面四边形精化杂交元，可以作为对著名的Pian单元的改进。

A new refined hybrid quadrilateral plane element is presented for improving the Pian element .