Journal of Applied and Computational Mechanics
Optimization of the Prismatic Core Sandwich Panel under Buckling Load and Yield Stress Constraints using an Improved Constrained Differential Evolution Algorithm
Document Type : Research Paper
Authors
1 Malek Ashtar University of Technology, Tehran, Iran
2 Department of Mechanical Engineering, Khatmol Anbia Air Defense, Tehran, Iran
Abstract
In this study, weight optimization of the prismatic core sandwich panel under transverse and longitudinal loadings has been independently investigated. To solve the optimization problems corresponding to the mentioned loadings, a new Improved Constrained Differential Evolution (ICDE) algorithm based on the multi-objective constraint handling method is implemented. The constraints of the problems are buckling load and yield stress. By comparing the results of the ICDE with those obtained by the other evolutionary algorithms based on the penalty function method in the previous studies, it is discerned that the results of the transverse loading obtained in this study are equal to those of the previous works, but the results of the ICDE in the longitudinal loading are better.
Keywords
- ICDE algorithm
- The Prismatic core sandwich panel
- Constraint optimization
- Transverse loading
- Longitudinal loading
Main Subjects
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