Multi‐objective optimization of fuzzy structural systems

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114 Scopus citations

Abstract

It is recognized that there exists a vast amount of fuzzy information in both the objective and constraint functions of the optimum design of structures. Since most practical structural design problems involve several, often conflicting, objectives to be considered, a multi-objective fuzzy programming method is outlined in this work. The fuzzy constraints define a fuzzy feasible domain in the design space and each of the fuzzy objective functions defines the optimum solution by a fuzzy set of points. A method of solving a fuzzy multi-objective structural optimization problem using ordinary single-objective programming techniques is presented. The computational approach is illustrated with two numerical examples.

Original languageEnglish (US)
Pages (from-to)1157-1171
Number of pages15
JournalInternational Journal for Numerical Methods in Engineering
Volume24
Issue number6
DOIs
StatePublished - Jun 1987
Externally publishedYes

ASJC Scopus subject areas

  • Numerical Analysis
  • Engineering(all)
  • Applied Mathematics

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