Application of Fuzzy Theory for Structural Topology Optimization
碩士 === 淡江大學 === 航空太空工程學系碩士班 === 96 === A methodology of topology optimization design by fuzzy theory was used in this study. The concept of fuzzy theory used in this study is to find the applicable membership function and the Pareto solution of multi-objective optimization problem. The finite eleme...
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ndltd-TW-096TKU052950082015-10-13T13:47:54Z http://ndltd.ncl.edu.tw/handle/16736911515539457525 Application of Fuzzy Theory for Structural Topology Optimization 應用模糊理論於結構拓樸最佳化設計之研究 Fang-Bin Hu 胡芳斌 碩士 淡江大學 航空太空工程學系碩士班 96 A methodology of topology optimization design by fuzzy theory was used in this study. The concept of fuzzy theory used in this study is to find the applicable membership function and the Pareto solution of multi-objective optimization problem. The finite element analysis software ANSYS was used for structural analysis. The optimum shape design was obtained by the concept of material distribution borrowed from density method with sequential linear programming. Three stages topology design were employed in this study. In addition to using the element growth-removal combined method (EGRCM) to decrease the absurd situation, the concept of B-spline curve was used to smooth the design shape. After three stages design strategy , the primitive optimum design can be improved to more practical design. Different multi-objective optimization problems were discussed in the numerical examples. The results of final design were more considerable than that only to consider single-objective optimization problem in the traditional topology design. We hope the results of this study can provide the convenience of manufacturing to the industry of structural design. 張永康 2008 學位論文 ; thesis 68 zh-TW |
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碩士 === 淡江大學 === 航空太空工程學系碩士班 === 96 === A methodology of topology optimization design by fuzzy theory was used in this study. The concept of fuzzy theory used in this study is to find the applicable membership function and the Pareto solution of multi-objective optimization problem. The finite element analysis software ANSYS was used for structural analysis. The optimum shape design was obtained by the concept of material distribution borrowed from density method with sequential linear programming. Three stages topology design were employed in this study. In addition to using the element growth-removal combined method (EGRCM) to decrease the absurd situation, the concept of B-spline curve was used to smooth the design shape. After three stages design strategy , the primitive optimum design can be improved to more practical design.
Different multi-objective optimization problems were discussed in the numerical examples. The results of final design were more considerable than that only to consider single-objective optimization problem in the traditional topology design. We hope the results of this study can provide the convenience of manufacturing to the industry of structural design.
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author2 |
張永康 |
author_facet |
張永康 Fang-Bin Hu 胡芳斌 |
author |
Fang-Bin Hu 胡芳斌 |
spellingShingle |
Fang-Bin Hu 胡芳斌 Application of Fuzzy Theory for Structural Topology Optimization |
author_sort |
Fang-Bin Hu |
title |
Application of Fuzzy Theory for Structural Topology Optimization |
title_short |
Application of Fuzzy Theory for Structural Topology Optimization |
title_full |
Application of Fuzzy Theory for Structural Topology Optimization |
title_fullStr |
Application of Fuzzy Theory for Structural Topology Optimization |
title_full_unstemmed |
Application of Fuzzy Theory for Structural Topology Optimization |
title_sort |
application of fuzzy theory for structural topology optimization |
publishDate |
2008 |
url |
http://ndltd.ncl.edu.tw/handle/16736911515539457525 |
work_keys_str_mv |
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