Incorporating free-form features in aesthetic and engineering product design:: State-of-the-art report

被引：30
|
作者：
Pernot, J. -P. [1 ]
Falcidieno, B. [2 ]
Giannini, F. [2 ]
Leon, J. -C. [3 ]
机构：
[1] UMR CNRS 6168, LSIS, Aix En Provence, France
[2] CNR, IMATI, Genoa, Italy
[3] FRE CNRS 3028, G SCOP Lab, Grenoble, France
来源：
COMPUTERS IN INDUSTRY | 2008年 / 59卷 / 06期
关键词：
free-form surfaces; geometric modelling; design by features; shapes and semantics; integrated design;
D O I：
10.1016/j.compind.2008.03.004
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The use of free-form shapes has become mainstream to design complex products that have to fulfil engineering requirements as well as aesthetic criteria. Even if today's CAD systems can easily represent free-form shapes by means of NURBS surfaces, their definition and modification still require a deep knowledge and a great skill in the manipulation of the underlying mathematical models. The implemented free-form shapes design operators are time consuming and do not enable fast modifications. To overcome these limits, some researches have been undertaken to try to adapt the feature concept, successfully adopted for the design of regular shapes, in the free-form domain. It gives rise to a set of free-form features modelling strategies. This paper gathers together the state-of-the-art of these advances. The various approaches are depicted and compared with respect to a very precise set of criteria expressing the needs in aesthetic and engineering designs. The limits and future trends are presented. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：626 / 637
页数：12
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