李贤兴, 陈虬. 随机有限元分析及其在复合材料中的应用[J]. 工程力学, 1989, 6(1): 1-8.
引用本文: 李贤兴, 陈虬. 随机有限元分析及其在复合材料中的应用[J]. 工程力学, 1989, 6(1): 1-8.
Li Xian Xing, Chen Qiu. SOTCHASTIC FINITE ELEMENT ANALYSIS AND APPLICATION TO COMPOSITES[J]. Engineering Mechanics, 1989, 6(1): 1-8.
Citation: Li Xian Xing, Chen Qiu. SOTCHASTIC FINITE ELEMENT ANALYSIS AND APPLICATION TO COMPOSITES[J]. Engineering Mechanics, 1989, 6(1): 1-8.

随机有限元分析及其在复合材料中的应用

SOTCHASTIC FINITE ELEMENT ANALYSIS AND APPLICATION TO COMPOSITES

  • 摘要: 本文利用局部平均理论和随饥变量特征正交化方法给出了随机有限元分析的基本列式。应用本文提出的方法,分析了纤维分布具有微小随机性对复合材料位移场和应力场扰动的灵敏程度。

     

    Abstract: In this paper, the stochastic finite element method is formulated with utilizing the theory of local averages and eigenvalue orthogonalization technique for random variables. By applicaion to unidirection composites, the sensitivity about the stress and displacement fields to the fluctuation of the fibre orientation is evaluated quantitatively.

     

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