Results 151 to 160 of about 14,416 (204)

NURBS Approximation of Surface/Surface Intersection Curves

, 1992
Bajaj, Chandrajit L., Xu, Gualiang
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Optimization of the grid-stiffened structure via PSO-LSSVR surrogate modeling and sensitivity analysis. [PDF]

Sci Rep
Gai J, Jian Y, Deng Q, Wang J, Zheng M, Yang Y.   +5 more
europepmc   +1 more source

Impact of 3D Reconstruction Combined with Engineering Software Analysis of Pelvic Floor Muscle Morphology on Sexual Dysfunction in Patients with Pelvic Organ Prolapse.

Urol Int
Shen L, Shen L, Bai H.
europepmc   +1 more source

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Tessellating trimmed nurbs surfaces

Computer-Aided Design, 1995
The problem addressed by the authors is triangulation of a surface given by rational tensor splines over a single parameter patch but with arbitrary holes and boundary curves. The simplicial approximation is required to stay within an \(\varepsilon\) distance from the surface in space.
Piegl, Leslie A., Richard, Arnaud M.
openaire   +2 more sources

Surface approximations using generalized NURBS

Engineering with Computers, 2021
We extend the concept of generalized NURBS (GNURBS), recently introduced by the authors for parametric curves, to bivariate parametric surfaces. These generalizations are obtained via either explicit or implicit decoupling of the weights along different physical coordinates.
Alireza H. Taheri, Krishnan Suresh
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Expressing Coons-Gordon surfaces as nurbs

Computer-Aided Design, 1994
The authors combine the techniques of the well-known Boolean-sum approach to Gordon/Coons surfaces with that of the \(B\)-spline representation of curves and surfaces; what comes out is a quite nice method for the \(B\)- spline-representation (linear and to some extend rational) of Gordon/Coons surfaces.
Lin, Fenqiang, Hewitt, W. T.
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Fast ray tracing NURBS surfaces

Journal of Computer Science and Technology, 1996
In this paper, a new algorithm with extrapolation process for computing the ray/surface intersection is presented. Also, a ray is defined to be the intersection of two planes, which are non-orthogonal in general, in such a way that the number of multiplication operations is reduced.
Kaihuai Qin, Minglun Gong, Geliang Tong
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From NURBS to C-NURBS: II — C-NURBS Surfaces and C-Bezier Triangles

Volume 2: 19th Computers and Information in Engineering Conference, 1999
Abstract This paper develops c-NURBS surfaces and c-Bezier triangles. The projection from 6D homogenous space to 3D vector space developed in previous papers [12, 13] is applied to surfaces. As a result, a c-NURBS surface can be constructed using bicubic patches to interpolate the given control points with the de Boor-Cox algorithm ...
Manhong Wen, Kwun-Lon Ting
openaire   +1 more source