3) rational spline
有理样条
1.
C~3 continuous rational spline curve with given tangent polygon;
与给定多边形相切的C~3连续有理样条曲线
2.
This paper constructed a kind of special rational spline,presented its behavior formula and the proof of its uniqueness,and showed its superiority by examples.
构造了一类特殊的有理样条,给出其表现公式及唯一性证明,并通过实例说明其优越性。
3.
An algorithm for constructing rational spline closed curve which is tangent to the givenpolygon is described.
描述了一种与给定多边形相切的有理样条闭曲线的算法。
5) finite strip theory
有限条理论
6) NURBS
有理B样条
1.
In this paper, a constructing method of hydrodynamic torque converter surface was discussed by NURBS (Non - Uniform Rational B - Spline).
论述了在已知有限数量的转轮结构数据和表面形状数据的情况下,采用B样条插值理论,求出转轮各类表面控制点,然后利用非均匀有理B样条方法实现转轮表面的数值化。
2.
The curve and surface of the bend-shaped diffuser of centrifugal pump are structured by NURBS(Non-Uniform Rational B-Spline) method in the design process.
论述了采用非均匀有理B样条(NURBS)方法,在离心泵弯曲形扩散管设计过程中构造曲线和曲面;系统地论述了弯曲形扩散管的内外轮廓线、过流断面和扩散管表面的交互式计算机辅助设计过程;利用ANSYS软件的CFD功能进行扩散管内部流动的计算分析,为改进其设计提供可靠的依据;该方法对改进离心泵弯曲形扩散管的设计方法和提高其设计质量具有重要的意义。
补充资料：有条有理
1.整齐有序﹐层次清楚。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条