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Introducing Design Rigidity to Model Unexpected Disturbances in a DSM-Based Design Process

[+] Author Affiliations
George Platanitis, Ahmad Barari, Remon Pop-Iliev

University of Ontario Institute of Technology (UOIT), Oshawa, ON, Canada

Paper No. DETC2010-28218, pp. 453-460; 8 pages
doi:10.1115/DETC2010-28218
From:
  • ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 22nd International Conference on Design Theory and Methodology; Special Conference on Mechanical Vibration and Noise
  • Montreal, Quebec, Canada, August 15–18, 2010
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4413-7 | eISBN: 978-0-7918-3881-5
  • Copyright © 2010 by ASME

abstract

Agile design engineering systems require flexible processes that can adapt rapidly for fast response to dynamic changes in the design requirements due to the market demands and/or internal or external constrains and limitations, without compromising the cost and quality of the design process and design process’ upstream activities, particularly the manufacturing and production processes. These changes in the design requirements can occur as unpredictable events at any time, delaying the convergence of the design process to a feasible solution. In this paper, the flexibility of design process versus an unpredicted event is studied and modeled using the notion of a dynamic index of rigidity for the design process. Using the Design Structure Matrix (DSM)-based definition of the sequence and technical relationship of design tasks, a dynamic response to an unexpected change in the design requirements and the additional necessary iterations in the design process are studied and modeled using the dynamic rigidity of the design process.

Copyright © 2010 by ASME
Topics: Design , Stiffness

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