Optimal topology selection of continuum structures with displacement constraints

Article

Liang, Qing Quan, Xie, Yi Min and Steven, Grant P.. 2000. "Optimal topology selection of continuum structures with displacement constraints ." Computers and Structures. 77 (6), pp. 635-644. https://doi.org/10.1016/S0045-7949(00)00018-3
Article Title

Optimal topology selection of continuum structures with displacement constraints

ERA Journal ID4176
Article CategoryArticle
AuthorsLiang, Qing Quan (Author), Xie, Yi Min (Author) and Steven, Grant P. (Author)
Journal TitleComputers and Structures
Journal Citation77 (6), pp. 635-644
Number of Pages10
Year2000
Place of PublicationUnited Kingdom
ISSN0045-7949
1879-2243
Digital Object Identifier (DOI)https://doi.org/10.1016/S0045-7949(00)00018-3
Web Address (URL)http://www.elsevier.com/wps/find/journaldescription.cws_home/359/description#description
Abstract

This paper deals with the optimal topology selection of continuum structures subject to displacement constraints by using the performance-based design concept. The optimal topology of a continuum structure is generated by gradually eliminating underutilized elements from the discretized design domain. A performance index is developed for monitoring the optimization process and is used as a termination criterion in the optimization algorithm so that the global optimum can be selected from the optimization history. Maximizing the performance index in the design space is proposed as the performance-based optimization criterion. The performance index can be utilized to compare the efficiency of structural topologies produced by different continuum topology optimization methods. Several examples are provided to demonstrate the capabilities of the performance-based optimization approach in selecting the best configuration for the minimum-weight design of continuum structures with maximum stiffness.

KeywordsFinite element analysis, performance based optimization, performance evaluation, stiffness, selection, topology
ANZSRC Field of Research 2020400510. Structural engineering
Public Notes

File reproduced in accordance with the copyright policy of the publisher/author.

Byline AffiliationsVictoria University of Technology
University of Sydney
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