吴保旗, 张科锋, 汪树玉. 拱坝体形优化中的三维解析敏度[J]. 工程力学, 1994, 11(3): 109-114.
引用本文: 吴保旗, 张科锋, 汪树玉. 拱坝体形优化中的三维解析敏度[J]. 工程力学, 1994, 11(3): 109-114.
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Wu Baoqi, Zhang Kefeng, Wang Shuyu. THREE-DIMENSIONAL SENSITIVITY ANALYSIS IN ARCH DAM SHAPE OPTIMIZATION[J]. Engineering Mechanics, 1994, 11(3): 109-114.
Citation: Wu Baoqi, Zhang Kefeng, Wang Shuyu. THREE-DIMENSIONAL SENSITIVITY ANALYSIS IN ARCH DAM SHAPE OPTIMIZATION[J]. Engineering Mechanics, 1994, 11(3): 109-114.
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拱坝体形优化中的三维解析敏度

THREE-DIMENSIONAL SENSITIVITY ANALYSIS IN ARCH DAM SHAPE OPTIMIZATION

    摘要
  • 摘要: 本文针对基于有限元分析的拱坝体形优化,采用改进的半解析法进行三维敏度分析。推导了敏度分析有关公式,并研制了相应的程序。敏度验证和拱坝优化算例表明,本文方法精度高、数值稳定,对基于三维有限元分析的拱坝体形优化是有效的。

     

    Abstract: This paper studies 3-D sensitivity analysis in arch dam shape optimization based on FEM with the Improved Semianalytical Method (ISM). Some analytical formulations related to sensitivity calculation are derived. The correspondent programs have been developed. Examples show that ISM has an advantage in accuracy and stability, and is efficient in arch dam shape optimization based on 3-D FEM.

     

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