On the basis of the4-dimensional geometric theory of the nonlinear defect continuum, the continuity equations of dislocations and disclinations are derived. 根据非线性缺陷连续统的4维几何理论,导出了位错和旋错的连续性方程。
A Definition of Geometric Continuity for Implicit Algebraic Surfaces 关于隐式代数曲面的一种几何连续性定义
Construction of Blended Algebraic Surface with High Geometric Continuity 具高阶几何连续性的混合代数曲面的构造
In geometric transformation of a matrix Chinese character, the continuity of its graph would be lost if a raster point ( pixel) is transferred into a new one just as in vector-mode. 对点阵汉字实施几何变换,若以象元(栅格点)为单位,简单地按矢量变换(即一一对应)方式处理,会破坏汉字图形的连续性。
This theory fully satisfies free surface conditions with geometric and stress continuity at interfaces, and the number of unknowns is independent of the layer numbers of the composite laminate. Moreover, the artificial shear correction factor is not required. 这种理论满足位移和横向剪切应力层间连续条件并且未知数个数独立于层合板的层数,同时不需要任何剪切校正系数。
Approximative Compactness and Geometric Conditions for Continuity of Prediction Operator in Banach Spaces Banach空间逼近紧性与预报算子连续性的几何条件
Geometric continuity between adjacent rational patches 有理曲面片的几何连续性条件
This thesis studies the problems of geometric continuity about surfaces reconstruction in Reverse Engineering. 本文研究反向工程中曲面重构的几何连续性问题。
The geometric continuity blend for algebraic surfaces and it's application 代数曲面的几何连续过渡及其应用
In shape blending process, the geometric continuity of blending curves is not always preserved. 在形状调配过程中,中间过渡曲线的几何连续性往往是不能保证的。
According to the geometric continuity definition of parametric surface and by using the matrix representation of cubic B spline surface, a sufficient condition of G~ 1 continuity between two patches of adjacent cubic B spline surface have been provided. 根据参数曲面几何连续性定义,利用3次B样条曲面的矩阵表达式,给出了两邻接3次B样条曲面间的G1光滑拼接的充分条件。
The element with "air modulus" is introduced to replace the failed element so that the geometric continuity keeps unchanged for the damaged specimen and the 3-D failure process of the heterogeneous brittle material can be simulated through continual update of the structural stiffness matrix and iterative solution. 引入空气模量单元代替破坏单元,使损伤试件的几何连续性得以保持,从而可通过不断更新结构刚度矩阵和迭代求解来实现对非均匀脆性材料三维破坏过程的模拟。
The geometric continuity of two regular curves at the connection point can be discussed from differential geometry and Algebra. 关于两段正则曲线在公共节点处的几何连续性的问题可以从微分几何和代数的角度考虑。
With energy method, we can conveniently control the precision of the objective surface and add boundary constraints for preserving the model's global geometric continuity, but this method is very time-consuming. 其中基于能量原理的光顺方法能够方便地控制目标曲面的精度和边界条件,从而能够实现曲面模型的全局连续性,但是能量法的运算速度还有待提高;
The geometric invariants of implicit curve and surface and geometric continuity between implicit surfaces 隐式曲线、曲面的几何不变量及几何连续性
In this paper, the reasonable measures of stress and strain and the right expression of geometric equation and continuity condition are pointed. 对于欧拉表达式中的几何方程和连续条件,文中指出应采用合理度量及正确表达式。
Shape blending of curves: research into geometric continuity preserving 保持几何连续性的曲线形状调配
The computation of geometric continuity is one of the key problems in Computer Aided Geometric Design ( CAGD). 几何连续性的求解是计算机辅助几何设计(CAGD)中的一个关键问题。
Subpixel edge location experiments with both geometric and natural image show that this method can remove zigzag effect while keeping edge smoothness and continuity. 通过几何图像和自然图像的亚像素边缘提取对比实验,验证了该算法能在保持亚像素精度的同时消除锯齿效应,保持边缘的平滑和连续性。
In this paper a function of the geometric intuition in the teaching of mathematical analysis is shown by the zero-point theorem, the theorem of maximum minimum property, the derivation rule of inverse function, and the definitions of uniform continuity and inflection point. 通过零点定理、最值性定理、反函数的求导法则、一致连续性和拐点的定义来说明几何直观在《数学分析》教学中的作用。
The modified curve does not intersect the boundaries and keeps geometric continuity. 修正后的曲线不穿过约束边界,且继续保持原有的几何连续性。
And then, Based on the definition in [ 3], We proof the equivalent theorem of any order geometric continuity about two regular curves segment at nodes and introduce the created method of generic cubic parametric spline curve. 引入文献[3]中的定义,并在此基础上证明了正则曲线段在节点处任意阶几何连续的等价定理。
Roads 'geometric features include continuity, ribbon, average strength, mesh structure. 道路所具有的几何特征包括,连续性、带状、强度分步均匀,网状结构。
Because geometric continuity is not relative to special parametrizations, it is applied in theoretical researches and engineer applications extensively. 由于几何连续与具体的参数选取无关,因此在理论研究和工程应用中被广泛采用。
This paper uses not only the apparent continuity among the video frames, also uses the geometric continuity in the human body pose estimation of video sequence, so as to enhance accuracy and speed. 对视频序列中的人体进行姿态估计时,本文不但利用了视频帧之间的表观连续性,还利用了几何连续性,这样不但能够提高人体姿态估计的准确性还可以提高估计速度。
Flow unit heterogeneity, the most important geological controlling factor for remaining oil distribution, is one kind of areal heterogeneity which is caused by the size, geometric shape, continuity of the flow unit and the variation of the porosity and permeability. 其中,流动单元非均质性是控制剩余油分布最重要的内在地质因素,主要包括流动单元规模大小、几何形态、连续性和砂体内的孔隙度、渗透率等参数的分布所引起的平面非均质性。