Distributed object model for collaborative CAD environments based on design history

Authors:
C. A. M. Barbosa;Bruno Feijó;Marcelo Dreux;Rubens Melo;Sérgio Scheer
Affiliations:
Institute of Computing/UFG, Campus 2, Block IMFI, Room 227, Goiania-GO 74001-970, Brazil;Intelligent CAD Laboratory, Department of Computing, PUC-Rio, Rio de Jeneiro, Brazil;Department of Mechanical Engineering, PUC-Rio, Rio de Janeiro, Brazil;Group of Technology in Database, Department of Computing, PUC-Rio, Rio de Janeiro, Brazil;Center of Studies in Civil Engineering, Federal University of Paraná, Curitiba, Brazil
Venue:
Advances in Engineering Software
Year:
2003

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Abstract

This paper presents new concepts for distributed dynamic design environments that deal with three aspects not effectively considered by the design literature in an integrated way: design history, CAD data model, and virtual prototyping. The present work details a design history model that gives support to views of higher levels than those usually found in design journals of CAD systems. The dynamic nature of the distributed environment is provided by an innovative mechanism that is not dependent on CORBA's DII or any other specialized middleware structure. Moreover, this paper presents an effective integration of a geometry bus on the top of a communication layer with strong support to mutant distributed objects at run time.