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《Communication On Applied Mathematics and Computation》 1994-02
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A Method of Structural Optimization with Multi-Level

L.H. Yam K.Y. Li L.D. Huang  
In this paper a new mechanical model called general structure which consists of basic structure, virtual elements and virtual nodes is presented. The formuale that are used to analyse the general structure are developed. Two criterions that can judge a virtural element converting into real one are developed with Kuhn-Tucker condition and the "F.S.M" respectively. With one of them the mixed nonlinear program of structure topological optimization is change to serial one. Thus, the degree of difficulties of the program is greatly reduced. This method takes the sectionof element as the sole type of design variable and is suitable to all levels of structural optimization. There are three examples to show the efficiency of the method.
【CateGory Index】: O224
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【References】
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1 DENG Yang-chen ZHANG Wei-hong ZHANG Yi-ning(1 Sino-French Laboratory of Concurrent Engineering Department of Aircraft Manufacturing Engineering,Northwestern Polytechnical University, Xi'an 710072, China)(2 Shen Yang Aircraft Design & Research Institute, Shengyang 110035, China);Aircraft wing structural layout study based on hierarchy optimization[J];Structure & Environment Engineering;2005-01
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【Co-citations】
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