Algorithms for optimal design of smart structural systems

David William Begg, Xiaojian Liu

Research output: Contribution to journalArticlepeer-review


Simultaneous optimal design of smart structural systems is considered in this article. A major augmentation to this multidisciplinary optimization problem is optimal structural layout design in terms of shape and topology. Four algorithms, namely, guided random search techniques, sequential mathematical programming, and their mixtures, are presented and used for the problem solving. A method to prevent singularities when updating structural layout is also suggested. Design variable linking schemes are used to reduce the number of design variables and give reasonable optimal results. Two examples are solved. Comparison of the algorithms on the basis of achieved improvements in system energy, control effort, robustness, and controllability is made.

Original languageEnglish
Pages (from-to)415-423
Number of pages9
JournalComputer-Aided Civil and Infrastructure Engineering
Issue number6
Publication statusPublished - 1 Nov 1998


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