Automated performance-based optimal design of continuum structures under multiple load cases

Paper

Liang, Qing Quan. 2007. "Automated performance-based optimal design of continuum structures under multiple load cases." Veidt, Martin, Albermani, Faris, Daniel, Bill, Griffiths, John, Hargreaves, Doug, McAree, Ross, Meehan, Paul and Tan, Andy (ed.) 5th Australasian Congress on Applied Mechanics (ACAM 2007). Brisbane, Australia 10 - 12 Dec 2007 Sydney, Australia.
Paper/Presentation Title

Automated performance-based optimal design of continuum structures under multiple load cases

Presentation TypePaper
Authors
AuthorLiang, Qing Quan
EditorsVeidt, Martin, Albermani, Faris, Daniel, Bill, Griffiths, John, Hargreaves, Doug, McAree, Ross, Meehan, Paul and Tan, Andy
Journal or Proceedings TitleProceedings of the 5th Australasian Congress on Applied Mechanics (ACAM 2007)
Journal Citation2, pp. 671-676
Number of Pages6
Year2007
Place of PublicationSydney, Australia
ISBN0858258625
Web Address (URL) of Paperhttp://www.acam2007.eventplanners.com.au/
Conference/Event5th Australasian Congress on Applied Mechanics (ACAM 2007)
Event Details
5th Australasian Congress on Applied Mechanics (ACAM 2007)
Event Date
10 to end of 12 Dec 2007
Event Location
Brisbane, Australia
Abstract

[Abstract]: This paper presents a computer automated performance-based optimal design technique for topology design of continuum structures under multiple load cases. In the present method, the performance objective is to minimize the weight of a continuum structure subjected to system performance constraints. A two-level control scheme is implemented in optimization algorithms to achieve the optimum based on performance-based design criteria. The energy-based performance index is used to monitor the performance level of optimized topologies in an optimization process. Performance-based optimality criteria are used to identify the optimum from the optimization process. Examples are provided to demonstrate the capacity of the computer automated performance-based optimal design technique for continuum structures under multiple loading conditions. Results indicate that the PBO technique can results in weight savings of up to 44 percent compared to initial designs.

Keywordsfinite element analysis, performance-based optimization, topology optimization
ANZSRC Field of Research 2020400510. Structural engineering
Public Notes

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Byline AffiliationsDepartment of Agricultural, Civil and Environmental Engineering
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