Eighth World Congress on Structural and Multidisciplinary Optimization , 2009-06-01

Title : ( On the Convergence of Morphing Evolutionary Structural Optimization Method to the Global Optimum for the Beam Design )

Authors: Hamid reza Ghaffarian jam , Mohammad Hossein Abolbashari ,

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Evolutionary Structural Optimization (ESO) method is very simple for using in a computer code and has been applied to some topology and shape optimization problems successfully. For some structures like Michel trusses, a qualitative validation has already presented in the literature by showing the similarity of the ESO results with the optimum shapes. There hasn’t been presented any precise theoretical base or mathematical proof for convergence of ESO to optimum solution yet. This paper, however, demonstrates convergence and quantitative validation of the Morphing ESO (MESO) results for some problems by comparing them with the global optimum. These problems are finding the optimum shapes of beams subjected to some loads while there exists a displacement constraint. Rectangular beams with height varying and width varying have been considered in this study.

Keywords

, Morphing evolutionary structural optimization, Global optimum, Displacement constraint, Weight
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@inproceedings{paperid:1010118,
author = {Ghaffarian Jam, Hamid Reza and Abolbashari, Mohammad Hossein},
title = {On the Convergence of Morphing Evolutionary Structural Optimization Method to the Global Optimum for the Beam Design},
booktitle = {Eighth World Congress on Structural and Multidisciplinary Optimization},
year = {2009},
location = {Lisbon},
keywords = {Morphing evolutionary structural optimization; Global optimum; Displacement constraint; Weight minimization},
}

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%0 Conference Proceedings
%T On the Convergence of Morphing Evolutionary Structural Optimization Method to the Global Optimum for the Beam Design
%A Ghaffarian Jam, Hamid Reza
%A Abolbashari, Mohammad Hossein
%J Eighth World Congress on Structural and Multidisciplinary Optimization
%D 2009

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