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Volume 25 Issue 5
May  1999
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Journal of Beijing University of Aeronautics and Astronautics  > 1999  >  25(5): 577-580.
Xu Zhongxiang, Qu Xiangju. Analysis on Evaluation Method of Handling Qualities of Pilot and Aircraft System[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999, 25(2): 197-200. (in Chinese)
Citation: Chen Xiao, Zhou Xianbin, Chang Heshenget al. Research on Fitability in Precise Forming of Reflector Panels[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999, 25(5): 577-580. (in Chinese)
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Research on Fitability in Precise Forming of Reflector Panels

  • Beijing University of Aeronautics and Astronautics,School of Mechanical Engineering and Automation

  • Received Date: 06 May 1998
  • Publish Date: 31 May 1999
    Abstract
  • In order to investigate the fitability in superprecise forming of double curvature panel based on "nails die and vacuum", the approximate generalized Fourier series solution is suggested for the bending problem of the rectangular thin plate supported at arbitrary points with large deflection. The solution is derived by means of the incremental method of load and displacement constraint, which can get the constrained force at the same time for the further iteration of contact state. It is applied to analyze the pattern of the part sinking. The computational results of the plates with several kinds of width and thickness are compared with the experiment. It shows that the accuracy is satisfying well. Finally the proximate range of the critical plate width under varied pressure is suggested and moreover the relevant rules on reduction of errors in fitability are proposed.

     

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  • 1. 周贤宾,常和生,杜 颂. 从一种大型表面超精密成形技术看先进成形技术的发展.见:海锦涛主编. 先进制造技术.北京:机械工业出版社,1996. 450~452 2. Chen Xiao, Zhou Xianbin. Approximate solution for thin plates constrained at arbitrary points. Chinese Journal of Aeronautics, 1998, 11 (4):308~313 3. 钱伟长. 广义变分原理.上海:知识出版社, 1985. 203~205 4. 吴连元编著. 板壳稳定理论.武汉:华中理工大学出版社, 1996. 27~30 5. 曹志远,张佑启. 半解析数值方法.北京:国防工业出版社,1992. 529~532
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