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Optimization of structural form using a genetic algorithm to search associative parametric geometry
KTH, School of Architecture and the Built Environment (ABE).ORCID iD: 0000-0001-7049-9503
2010 (English)In: Structures and Architecture - Proceedings of the 1st International Conference on Structures and Architecture, ICSA 2010, CRC Press, 2010, 715-722 p.Conference paper, Published paper (Refereed)
Abstract [en]

Different methods using evolutionary computation (EC) have been successfully applied to structural form optimization for many years. A well known limitation of these methods is the computational effort required to analyze significantly large and complex systems. As a result most examples have been limited to simple truss forms or smaller aspects of overall structural systems. This is because the number of variables used to describe the structural geometry limits the size and complexity of problems that can be explored using EC methods. One solution to this limitation is the use of associative parametric models. In recent years use of parametric modeling software has become more widespread in architectural design. Parametric approaches to geometric modeling have the advantage that they are able to describe large, complex systems with very few variables. The reduced number of variables needed to describe geometric systems makes parametric models ideal for use with EC to explore optimal forms. This paper shows examples of how large, complex structural systems can be optimized for basic parameters like weight and number of components by combining a genetic algorithm with a finite element analysis and parametric modeling software. The procedure is outlined with specific applications. Examples show the use of this technique used to explore complex spatial structures. Results are shown with specific documentation of computational effort required.

Place, publisher, year, edition, pages
CRC Press, 2010. 715-722 p.
Keyword [en]
Basic parameters, Computational effort, Evolutionary computations, Geometric modeling, Number of components, Optimal forms, Parametric approach, Parametric geometries, Parametric modeling, Parametric models, Spatial structure, Structural form, Structural geometry, Structural systems, Architectural design, Finite element method, Genetic algorithms, Geometry, Models, Structural optimization
National Category
Architecture
Identifiers
URN: urn:nbn:se:kth:diva-150319ISI: 000320604900086Scopus ID: 2-s2.0-84856644437ISBN: 978-0-415-49249-2 (print)OAI: oai:DiVA.org:kth-150319DiVA: diva2:742619
Conference
1st International Conference on Structures and Architecture, ICSA 2010, 21 July 2010 through 23 July 2010, Guimaraes, Portugal
Note

QC 20140902

Available from: 2014-09-02 Created: 2014-09-01 Last updated: 2014-09-02Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf