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Solid Modelling with Dimensional and Topological Variability
Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Computer Supported Engineering Design.
Jönköping University, School of Engineering, JTH, Mechanical Engineering. Jönköping University, School of Engineering, JTH. Research area Computer Supported Engineering Design.
2003 (English)In: Research for Practice - Innovations in Products, Processes and Organisations: Proceedings of the 14th International Conference on Engineering Design, August 19 - 21, 2003, Stockholm, Sweden., Glasgow: The Design Society , 2003Conference paper, Published paper (Refereed)
Abstract [en]

With the advent of commercial solid modelling systems some fifteen years ago, the opportunity for three-dimensional parametric geometry was opened to industry. Today solid modelling systems are the dominating CAD tool among advanced engineering companies, but despite the time and money saving implications, industry has been slow to exploit the parametric capabilities of these systems (Amen and Sunnersjö, 1996).

One reason for the slow adoption of parametric modelling is that originally many solid modellers suffered from lack of stability under parametric changes. This situation is now changed and if a model in a modern CAD system collapses, this is usually due to modelling deficiencies rather than numerical failures. Straightforward dimensional variations rarely cause any problems. However, to fully exploit the parametric capability for complex features with a variable topology, there is a need for a systematic approach to build stable and purposeful parametric models.

The purpose of this work is to discuss how different modelling approaches relate to the ease of use and robustness of the CAD model in terms of creating variants and product families. We use the term Design for Variability, DFV, for a modelling approach that ensures that parametric models are well suited for variation design.

Place, publisher, year, edition, pages
Glasgow: The Design Society , 2003.
Keywords [en]
Feature-Based Design, Solid Modelling, Parametric Modelling, Variability
Identifiers
URN: urn:nbn:se:hj:diva-2504ISBN: 1904670008 (print)OAI: oai:DiVA.org:hj-2504DiVA, id: diva2:33324
Available from: 2008-01-15 Created: 2008-01-15Bibliographically approved

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Cederfeldt, MikaelSunnersjö, Staffan

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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