562 search results - page 28 / 113 » On theoretical backgrounds of CAD |
CAD
2000
Springer
13 years 8 months ago
2000
Springer
: Current feature modelling systems suffer from a number of shortcomings. One is that the meaning of features is often not adequately maintained during modelling, which implies tha...
CAD
2000
Springer
13 years 8 months ago
2000
Springer
The protocols selected and developed by the NIIIP Consortium have been validated in three end-of-cycle demonstrations. In each cycle, a team with expertise in technical product da...
CAD
2002
Springer
13 years 8 months ago
2002
Springer
This paper presents an algorithm for extending B-spline curves and surfaces. Based on the unclamping algorithm for B-spline curves, we propose a new algorithm for extending B-spli...
CAD
1998
Springer
13 years 8 months ago
1998
Springer
Abstract. This paper presents two automatic fairing algorithms for parametric C2 -continuous bi-cubic B-spline surfaces. The fairing method consists of a knot removal and knot rein...
CAD
1999
Springer
13 years 8 months ago
1999
Springer
This article presents an efficient and robust algorithm that computes the intersection curve of two ruled surfaces. The surface intersection problem is reformulated as a zero-set ...