Shape Optimization Technique of Continuum Body under Impact Loading

A practical step-by-step calculation algorithm for the dynamic displacement and stress sensitivities with respect to shape design parameters is developed based on the implicit differentiation method and the Newmark method for isoparametric finite elements for two-dimensional shape optimization probl...

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Bibliographic Details
Published inNihon Kikai Gakkai rombunshuu. A hen Vol. 59; no. 558; pp. 461 - 466
Main Authors Shibuya, Kazuhiro, Yamazaki, Koetsu
Format Journal Article
LanguageEnglish
Japanese
Published The Japan Society of Mechanical Engineers 1993
Subjects
Design Engineering
Design Sensitivity Analysis
Dynamic Finite Element Method
Newmark Method
Optimum Design
Shape Optimization
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ISSN0387-5008
1884-8338
1884-8338
DOI10.1299/kikaia.59.461

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Summary:A practical step-by-step calculation algorithm for the dynamic displacement and stress sensitivities with respect to shape design parameters is developed based on the implicit differentiation method and the Newmark method for isoparametric finite elements for two-dimensional shape optimization problems. The method is applied to the minimum weight design of a hole shape in a plate and a connecting rod subject to the dynamic stress constraints under impact loading, and the validity of the shape optimization technique is confirmed numerically.
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ISSN:0387-5008
1884-8338
1884-8338
DOI:10.1299/kikaia.59.461