Title :
Variational solid modeling for tolerance analysis
Author :
Gupta, Suvajit ; Turner, Joshua U.
Author_Institution :
Ansoft Corp., Pittsburgh, PA, USA
fDate :
5/1/1993 12:00:00 AM
Abstract :
A variational model is a computer representation of a variational class and stands for a collection of different instances of the part or assembly modeled in CAD. The different basic approaches to variational modeling are reviewed. A surface-based approach to variational modeling is discussed. The approach is applied to solving the problems of eliminating rigid-body motion, handling incidence and tangency constraints, and modeling form variations. The application of variational modeling to automated tolerance analysis is also discussed.<>
Keywords :
solid modelling; variational techniques; CAD; automated tolerance analysis; computer representation; form variations; incidence; rigid-body motion; surface-based approach; tangency constraints; tolerance analysis; variational class; variational solid modelling; Application software; Assembly systems; Computer graphics; Design automation; Geometry; Shape; Solid modeling; Tolerance analysis; Tree graphs; Virtual manufacturing;
Journal_Title :
Computer Graphics and Applications, IEEE
