Structural optimization with limited number of element properties

被引：0
|
作者：
J. Enrique Herencia
Raphael T. Haftka
机构：
[1] University of Bristol,Department of Aerospace Engineering
[2] University of Florida,Department of Mechanical and Aerospace Engineering
来源：
Structural and Multidisciplinary Optimization | 2010年 / 41卷
关键词：
Limited number of cross-sections; Structural sizing; Genetic algorithms;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
This note investigates the weight lost of a structure that presents a limited number of cross-sections for its members. A combined genetic algorithm-gradient approach is used to obtain the minimum weight structure for various numbers of cross-sections. The problem is investigated for the well known ten-bar truss structure. Results show that decreasing the number of cross-sections from nine to four has a small impact on the weight of approximately 5.3%.
引用
收藏
页码：817 / 820
页数：3
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