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Multi-Criteria Optimal Structural Design Under Uncertainty

Beck, James L. and Chan, Eduardo and Irfanoglu, Ayhan and Papadimitriou, Costas (1999) Multi-Criteria Optimal Structural Design Under Uncertainty. Earthquake Engineering and Structural Dynamics, 28 . pp. 741-761. ISSN 0098-8847. http://resolver.caltech.edu/CaltechAUTHORS:20120809-152942898

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Abstract

A general framework for multi-criteria optimal design is presented which is well suited for performance-based design of structural systems operating in an uncertain dynamic environment. A decision theoretic approach is used which is based on aggregation of preference functions for the multiple, possibly conflicting, design criteria. This allows the designer to trade off these criteria in a controlled manner during the optimization. Reliability-based design criteria are used to maintain user-specified levels of structural safety by properly taking into account the uncertainties in the modeling and seismic loads that a structure may experience during its lifetime. Code-based requirements are also easily incorporated into this optimal design process. The methodology is demonstrated with a simple example involving the design of a three-story steel-frame building for which the ground motion uncertainty is characterized by a probabilistic response spectrum which is developed from available attenuation formulas and seismic hazard models.


Item Type:Article
Additional Information:© 1999 John Wiley & Sons, Ltd. Received 21 October 1997, Revised 10 November 1998. Contract/grant sponsor: CUREe-Kajima Research Program, Contract/grant sponsor: National Science Foundation; Contract/grant number: CMS-9796135. This paper is based upon work supported by the California Universities for Research in Earthquake Engineering under the CUREe-Kajima Research Program and by the National Science Foundation under grant CMS-9796135. The CODA software package was developed as a team effort by the authors with H. A. Smith, V. Vance and L. Barroso of Stanford University and S. F. Masri and W. M. Xu of University of Southern California.
Funders:
Funding AgencyGrant Number
CUREe Kajima Research ProgramUNSPECIFIED
NSFCMS-9796135
Subject Keywords:structural reliability, performance-based multi-criteria optimal design
Record Number:CaltechAUTHORS:20120809-152942898
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120809-152942898
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:33066
Collection:CaltechAUTHORS
Deposited By: Sydney Garstang
Deposited On:13 Aug 2012 23:14
Last Modified:13 Aug 2012 23:14

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