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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/38222


    Title: 應用串並聯解析結構可靠度之最佳化設計
    Other Titles: Reliability-based Optimal Structural Design Applying Parallel-series Systems and Utility function
    Authors: 古國昌;史建中
    Contributors: 淡江大學機械與機電工程學系
    Keywords: 結構可靠度;結構最佳化;串並聯解析;工程設計;Structural reliability;structural optimization;parallel-series analysis;engineering design
    Date: 2001-12
    Issue Date: 2010-01-11 14:56:09 (UTC+8)
    Abstract: 複雜結構的各元件應力計算,進而求得其結構可靠度作為設計土之依據是相當繁雜且
    缺乏效率的。本文參考結構串並聯的觀念,結合結構之力分析,整合出較少的破壞函數,
    再以此破壞函數及應用H-R 之疊代法求解部分區域結構之元件組合可靠度。本文比較三種
    系統結構可靠度的表示式,應用於同時最小化結構重量及最大化系統結構可靠度之最佳化
    設計。結果顯示串並聯為有效率的方式,最大化其中最小的區域元件組合可靠度,可得最
    嚴謹的最佳設計值。
    Structural reliability index computed by H-R method that is obtained from parallel-series concept in a structural system has been studied in this paper. A utility function constructed by reliability index and structural weight provides to multi-objective optimization design for yielding a compromise result. Three combination methods of connections each local part of the structure has been used to represent the overall structural reliability. The design examples show that the parallel-series and H-R algorithm is efficient and good for computing structural reliability. The optimum design process is practical and usable for a complex and high reliability structural design.
    Relation: 中華民國力學學會90年度年會暨第25屆全國力學會議=Proceedings of 25 National Conference of Theoretical and Applied Mechanics,11頁
    Appears in Collections:[機械與機電工程學系暨研究所] 會議論文

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