| TWO－LEVEL MULTI－POINT APPROXIMATION METHOD FOR OPTIMUM DESIGN OF COMPLICATED STRUCTURES |
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| 作者姓名： | Huang Hai Xia Renwei |
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| 作者单位： | School of Space Science and Technology，Beijing University ofAeronautics and Astronautics，Beijing，China，100083 |
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| 摘 要： | ＴＷＯ－ＬＥＶＥＬＭＵＬＴＩ－ＰＯＩＮＴＡＰＰＲＯＸＩＭＡＴＩＯＮＭＥＴＨＯＤＦＯＲＯＰＴＩＭＵＭＤＥＳＩＧＮＯＦＣＯＭＰＬＩＣＡＴＥＤＳＴＲＵＣＴＵＲＥＳＨｕａｎｇＨａｉ；ＸｉａＲｅｎｗｅｉ（ＳｃｈｏｏｌｏｆＳｐａｃｅＳｃｉｅｎｃｅａｎｄＴｅｃｈｎ...
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TWO-LEVEL MULTI-POINT APPROXIMATIONMETHOD FOR OPTIMUM DESIGN OFCOMPLICATED STRUCTURES |
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| Huang Hai, Xia Renwei.TWO-LEVEL MULTI-POINT APPROXIMATIONMETHOD FOR OPTIMUM DESIGN OFCOMPLICATED STRUCTURES[J].Chinese Journal of Aeronautics,1995(1). |
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| Authors: | Huang Hai Xia Renwei |
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| Abstract: | A previous research is further developed, and a peculiar multivariated ap-proximate function which has a good numerical stability and intuitional meaning isproposed in this paper. By combining the approximate function with the two-levelmulti-point approximation concept, a more perfect relative optimum algorithm isformed. The method is applied to optimum design of frames, and, without any specialintermediate vanable, the cross-sectional dimensions of frames are directly selected asdesign variables. The results of numerical examples show that the present method is ofsatisfactory efficiency, which also testifies to the wide adaptability of the method. |
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| Keywords: | structural design optimization approximation |
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