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ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1994, Vol. 15 ›› Issue (8): 910-916.

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RELIABILITY ANALYSIS METHOD OF STRUCTURAL STIFFNESS

Lu Zhenzhou, Feng Yuansheng

Dept.of Aircraft Engineering,Northwesten Polytechnical University,Xi’an,710072

Received:1993-05-31 Revised:1993-10-10 Online:1994-08-25 Published:1994-08-25

Abstract

Abstract: A reliability analysis method of stiffness of large and complex structure systems is proposed,and relative significance is introduced as a criterion to enumerate significant random variables.Simplifications of limit state functions and selections of intemolation points are stu-died through numerical examples.Thus,an unit stiffness reliability analysis method is estab- lished for general and special engineering problems,and this method can be extended to strength reliability analysis.

Key words: reliability analysis, stiffness, random variables, critical loading

CLC Number:

Lu Zhenzhou;Feng Yuansheng. RELIABILITY ANALYSIS METHOD OF STRUCTURAL STIFFNESS[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1994, 15(8): 910-916.

E-mail：hkxb@buaa.edu.cn

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RELIABILITY ANALYSIS METHOD OF STRUCTURAL STIFFNESS

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