If eggs survive coons, skunks, and moles, hatchlings must still run a gantlet of crows, bullfrogs, and snakes. 即使龟蛋幸免于浣熊、臭鼬和鼬鼠之口,孵化出小海龟还要逃脱乌鸦、牛蛙和蛇的伤害。
Mixed Coons patch with shape parameters 带形状参数的混合Coons类曲面
The Method of Constructing Coons Surface with Manual Chain 用手动串连方式创建昆氏曲面的方法
Hemphill and Coons ( 14) constructed the original form of the questionnaire; 亨普希尔和孔斯(14)建造的原始形式的调查表;
Analysis of general error of DEM model based on Coons surface 基于Coons曲面的DEM模型的整体误差分析
The shortcomings of conventional processing methods are discussed. The application of the new method and the formula to be used in the calculation are described. 文章分析了常规处理方法中存在的缺点与不足,针对水轮机特性曲线,对COONS曲面法数学处理进行了分析、推导,并给出数学计算公式和应用方法。
Application of bilinear Coons surface to design of intersection 双线性Coons曲面在平面交叉口竖向设计中的应用
A method for achieving the aim of a desired deformation for a curved surface by means of changing the blending function of Coons surface under fixed boundary conditions was put forward. 提出了在固定边界条件下,通过改变Coons曲面的混合函数来使曲面变形,并达到预期变形目的的方法。
Vertical design method of intersection based on bilinear Coons surface model 基于线性Coons曲面模型的平面交叉口立面设计方法
Design of multi-surface reflector headlamp using Coons surface Coons曲面在汽车前照灯多曲面反射镜设计中的应用
A generalized conforming rectangular element for thin plate bending is developed by Coons surface approach. 本文应用Coons曲面法构造出一种广义协调薄板矩形单元。
In the CAGD field, Coons surface, B spline surface and NURBS surface are mainly used. Coons类曲面、B样条曲面和NURBS曲面是CAGD中主要的曲面表达形式。
In this paper, the structure of the solution of a boundary ( fractal) value problem of higher order difference equation is discussed in detail, and fractal surface of Coons Type is introduced. 本文详细讨论了高阶差分方程分形边值问题的解的结构,从而引进Coons型分形曲面片。
The problem about how to calculate twisting vectors in the application of Coons surfaces is studied and an optimal method is developed. Also, a system designing free-form surfaces is programmed with Pascal. 本文探讨了Coons曲面应用中扭矢的确定,提出了一种优化扭矢的方法,并用PASCAL语言编写了自由空间曲面设计系统程序。
Study on Interpolation of Bivariate Normal Distribution with Coons Surface Method 二元正态分布函数(Coons曲面法)插值研究
After the consistency relations among boundary conditions are clarified, an overlaying method based on corner information matrix is presented to ensure the consistency during surface design. 本文在阐明了边界条件之间的相容性联系的基础上,针对任意阶的Coons曲面,提出了一个以角点信息矩阵为中心的覆盖式设计程序,通过曲面的设计程序保证了相容性。
A garment surface is created by interpolating the quadrangular mesh of a garment sketch with Coons surfaces. 服装曲面则以三维草图为框架,通过对四边网格双线性Coons曲面插值生成。
Based on the research of shape control methods of discrete Coons surfaces, the shape control method of continuous Coons surfaces using only blending functions is presented, while taking the first type blended Coons surface as an example. 基于离散Coons曲面形状控制方法的研究,以第1类Coons曲面为例,对连续Coons曲面的形状控制方法进行了研究。
Coons strategy has been of great impact to the development of CAGD. Coons构造曲面的思想对CAGD的发展起了巨大的推动作用。
In this paper by raising order and combination of B spline curve and generation of Coons surface, a method is given which can transform the trimmed surface from CAD to the UV parameter surface for contact judgment. 本文通过B样条曲线的升阶、组合及Coons曲面的生成,给出了把CAD中的裁剪曲面转化为接触判断中所需要的UV参数曲面的一种实现方法。
According to the deformed characteristic of circle grids, Euler equation and the strain incremental theory, the calculation method for the strain of square grids that are put forward, and the method of space constructional grids that are supposed to linear Coons surface is derived too. 在分析了网格圆的变形特点基础上,提出了基于欧拉法和有限应变解析的方网格应变计算方法,并研究了基于线性孔斯曲面片的空间网格应变计算方法。
Coons surface is an efficient way in constructing complex surface among rules surface 、 sweep surface 、 rotating surface and so on. 在直纹曲面、扫描曲面、旋转曲面、昆氏曲面等曲面构建的方法中,昆氏曲面不失为构建复杂曲面的好方法。
Based on coons model in the core model of airport CAD system, the authors try to apply this model for the vertical design of at-grade intersections. 本文以机场CAD系统的核心模型中设计面Coons曲面模型为基础,尝试将这一模型应用于道路平面交叉口立面设计。
The relationship between the bicubic B-spline surfaces, Coons surfaces and Bezier surfaces is also discussed. 本文还讨论了双三次B样条曲面与孔斯及贝齐尔曲面的关系。
Study on the modeling method of Coons surface with fixed boundary 固定边界Coons曲面的造型方法研究
This paper studied fundamental operations and dividing method of surface slices on the basis of bilinear Coons surface model for the vertical design of intersection. 以线性Coons曲面模型为基础,研究了平面交叉口立面设计在线性Coons曲面模型上定义的基本运算和Coons曲面片的划分方法。
This paper analyzes the problems existing in vertical design software of intersection, and illustrates the development process of the vertical design software of intersection based on the coons model. 分析了目前平面交叉口竖向设计软件中存在的问题,阐述了基于Coons曲面模型的道路平面交叉口竖向设计软件的开发过程。
In this paper, the fundamental theory of coons interpolation is studied, and the general method to construct coons interpolation surface presented. At the same time, the Boole sum approximation and its error estimates are also discussed. 文章研究了康斯插值的基本理论,给出了构造康斯插值曲面的一般方法,对布尔和逼近与误差估计也作了探讨;
Surface construction from parallel cross sections algorithm, based on NURBS surface trimming and Coons surface filling, construction work according to three kinds of relations among adjacent contours; The degree of the reconstructed surface can be controlled. 利用平行轮廓横截面构造曲面实体的算法,基于NURBS曲面裁剪和Coons曲面填充技术,把横截面上轮廓线的位置相邻关系归为三类进行曲面重构;对曲面的次数提供了可控自由度。
The key application of Coons surface was mainly the shape of internal control since it was established. Coons曲面自诞生以来,其应用的关键是曲面内部形状的控制。