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題名 | A Multi-Criteria Objective Function Optimization for Elastic Reinforced Beams=多準則目標函數應用在補強樑結構之最佳化設計 |
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作者 | 劉英偉; 林見昌; |
期刊 | 力學 |
出版日期 | 19950900 |
卷期 | 11:3 1995.09[民84.09] |
頁次 | 頁177-183 |
分類號 | 440.34 |
語文 | eng |
關鍵詞 | 多準則目標函數; 補強式樑; 纖維; 設計變數; Multi-criteria objective function; Reinforced beam; Fiber; Design variables; |
中文摘要 | 本文提出一個用於分析複合材料補強式樑結構之最佳纖維擺設位置之方法,藉由 纖維材質擺設在補強式樑結構內適當位置,可提供其較佳之容許強度,而補強式樑結構可為 普通均質性複合材料或雙模數性複合材料,設計準則包含了最小應變能以及最大破壞負荷之 效應組合。分析方法係將補強式樑結構之截面分為數個疊層,不同疊層內之纖維材質量即為 欲設計之設計變數,設計上可給定纖維材質之總量,探討分佈在各層之最佳纖維材質量。文 中探討承受均佈載重之懸臂補強樑範例,並加以比較與討論。 |
英文摘要 | This paper is interested in the optimum fiber distributions of composite beams. Both minimum strain energy and maximum failure load optimization formulations are given for beams constructed of ordinary composite materials. Arbitary specified bounds are placed upon the specific volume fraction of fibers, and the total volume fraction of fibers useful for reinforcing the beam is assumed to be fixed. The solution algorithm is designed and programmed for use on micro-computers to suit a design office environment. Numerical solutions of a fiber-reinforced cantilever beam are given and the results are discussed and compared. |
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