Sizing and Geometry Optimization of Pin Connected Structures Via Real Coded Genetic Algorithm (RCGA)

Sizing and Geometry Optimization of Pin Connected Structures Via Real Coded Genetic Algorithm (RCGA)

Dr. MM.Ebadi * §

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V.Rashtchi

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A .Behravesh

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§ Roozbeh Institute of higher education

Sizing and Geometry Optimization of Pin Connected Structures Via Real Coded Genetic Algorithm (RCGA)

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Abstract

Optimization of sizing and geometry is one of the active areas of research in structural engineering. In sizing optimization of structures the goal is minimizing the weight of the structure while the cross sectional areas of the members are considered as design variables. In this kind of optimization the nodal coordinates and connectivity among different members are considered stable. In the geometry optimization the nodal coordinates are considered as design variables. Simultaneous sizing and geometry optimization are considered in most structural optimization problems. In this article, Real Coded Genetic Algorithm (RCGA) is utilized to optimize sizing and geometry of pin connected structures. Also some schemes and a kind of mutation which is called class mutation are used to increase the efficiency of RCGA (optimum RCGA). In class mutation contrary to multiple mutation, design variables with the same characteristics are classified into one group so there is more handle on the variables during the mutation pprocess. The performance characteristics of above method are investigated by two pin connected structures (18 and 25 bar pin connected structures). Examples show that the proposed method gives better results than some other schemes such as numerical methods and the classical GA.

References

19 Cites in Article

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Dr. MM.Ebadi, V.Rashtchi, A .Behravesh. 1970. "Sizing and Geometry Optimization of Pin Connected Structures Via Real Coded Genetic Algorithm (RCGA)". Global Journal of Computer Science and Technology GJCST Volume 11 (GJCST Volume 11 Issue 9).

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GJCST Volume 11 Issue 9

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Journal Specifications

Crossref Journal DOI 10.17406/gjcst

Print ISSN 0975-4350

e-ISSN 0975-4172

Keywords

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Submission ReceivedMarch 24, 2011
Peer Review Double Blind
Handling Editor
Accepted April 21, 2011
Published May 2, 2011

Version of record

v1.2

Issue date

May 25, 2011

Language

English

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Article Matrices

Total Score: 128

Country: Iran

Subject: Global Journal of Computer Science and Technology

Authors: Dr. MM.Ebadi, V.Rashtchi, A .Behravesh (PhD/Dr. count: 1)

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Publish Date: 2011 04, Thu

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