Transactions of the Japan Society of Mechanical Engineers Series A
Online ISSN : 1884-8338
Print ISSN : 0387-5008
Optimum Design of Truss Structure by Genetic Immune Recruitment Mechanism
Ryohei IshidaTetsuji SatoYoshihiko Sugiyama
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1995 Volume 61 Issue 581 Pages 205-210

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Abstract

The present paper describes the applications of the genetic immune recruitment mechanism (GIRM) which is a combination algorithm of the genetic algorithm (GA) and immune recruitment mechanism (IRM) founded upon the immune network model. The GIRM is applied to the optimum design of a truss structure. Two optimization problems of a ten-member truss structure are examined. The problems are 1 ) to find nodal locations of the truss with minimum weight and 2 )to find combination of materials of truss members with minimum weight and minimum cost under the constraints of full stress and buckling. Simple GA is also applied to the same problems. Comparison of the results by GIRM and simple GA shows the effectiveness of the GIRM.

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