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李永靖， 郭秋豐
（遼寧工程技術(shù)大學(xué)土木與交通學(xué)院，阜新123000）[摘要] 在研究含模糊參數(shù)的網(wǎng)架結(jié)構(gòu)隨機地震反應(yīng)分析中，對于模糊參數(shù)的表達是通過模糊集的分解定理或擴張原理來進行的，這種傳統(tǒng)的方法比較復(fù)雜。本文采用信息熵理論，將模糊結(jié)構(gòu)轉(zhuǎn)化為隨機結(jié)構(gòu)進行動力分析，給出了一種新的研究模糊網(wǎng)架結(jié)構(gòu)的隨機地震反應(yīng)分析方法。實例證明，采用信息熵方法分析模糊網(wǎng)架結(jié)構(gòu)的隨機地震反應(yīng)是可行的。
[關(guān)鍵詞] 模糊變量；網(wǎng)架結(jié)構(gòu)；信息熵；隨機地震Random earthquake analysis for fuzz truss structures
Li Yongjing, Guo Qiufeng
(Institute of civil engineering and transportation, Liaoning Technical University, Fuxin 123000, China)Abstract: The method of fuzzy truss structures dynamic problem is given. In study random earthquake analysis of fuzzy truss, it ever hardly described fuzzy equation because its theory is based on decomposition theorem and extension principle. The way of information entropy and transform the fuzz to random problem is used, and it is possible to solve the random earthquake of the fuzzy truss through this method.
Keywords: fuzz variable; truss structure; information entropy; random earthquake
