Bézier curves and surfaces with shape parameters

L Yang, XM Zeng - International Journal of Computer Mathematics, 2009 - Taylor & Francis
Bézier curves with n shape parameters and triangular Bézier surfaces with 3 n (n+ 1)/2
shape parameters are presented in this paper. The geometric significance of the shape …

Automatic modelling of airfoil data points

F Pérez-Arribas, I Castañeda-Sabadell - Aerospace Science and …, 2016 - Elsevier
This paper presents a computer-based technique to construct B-spline parametric models
from a large set of airfoil data points, with a reduced number of parameters involved in the …

Paths of C-Bézier and CB-spline curves

M Hoffmann, Y Li, G Wang - Computer Aided Geometric Design, 2006 - Elsevier
C-Bézier and CB-spline curves, as the trigonometric extensions of cubic uniform spline
curves are well-known in geometric modeling. These curves depend on a shape parameter …

Non-uniform B-spline curveswith multiple shape parameters

J Cao, G Wang - Journal of Zhejiang University Science C, 2011 - Springer
We introduce a kind of shape-adjustable spline curves defined over a non-uniform knot
sequence. These curves not only have the many valued properties of the usual non-uniform …

On interpolation by spline curves with shape parameters

M Hoffmann, I Juhász - Advances in Geometric Modeling and Processing …, 2008 - Springer
Interpolation of a sequence of points by spline curves generally requires the solution of a
large system of equations. In this paper we provide a method which requires only local …

[PDF][PDF] Constrained modification of the cubic trigonometric Bézier curve with two shape parameters

E Troll - Annales Mathematicae et Informaticae, 2014 - core.ac.uk
A new type of cubic trigonometric Bézier curve has been introduced in [1]. This trigonometric
curve has two global shape parameters λ and µ. We give a lower boundary to the shape …

On the family of B-spline surfaces obtained by knot modification

I Juhász, M Hoffmann - Mathematical Communications, 2006 - hrcak.srce.hr
Sažetak B-spline surfaces are piecewisely defined surfaces where the section points of the
domain of definition are called knots. In [2] the authors proved some theorems in terms of …

The knot factor method and its applications in blade measurement

P Ye, H Zhang, K Chen, J Wang - Aerospace science and technology, 2006 - Elsevier
Blade measurement is a key technique and a hard nut to crack in aero-compressor
manufacturing. This paper analyses the law of the knot vector's influence on NURBS …

调整节点矢量对 B 样条曲线的影响

郭风华, 杨兴** - 计算机工程与科学, 2005 - joces.nudt.edu.cn
本文研究了调整一个节点对B 样条曲线产生的影响. 调整B 样条曲线的一个节点,
引起两个节点区间改变. 讨论了这两个节点区间上有定义的B 样条基函数所发生的变化, 以及对B …

Research of modeling and simulation for warp-knitted fabric

Y Fang, TT Ju - Advanced Materials Research, 2012 - Trans Tech Publ
A method of the three-dimensional (3-D) simulation for warp-knitted fabric has been
presented based on the characteristic structure of the yarn. And a 3-D model for warp loop …