雨流-回线法及二维疲劳载荷分布假设检验

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 1996, Vol. 17 ›› Issue (3): 297-301.

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RAINFLOW-LOOP METHOD AND THE HYPOTHESIS TEST FOR THE TWO-DIMENSIONAL DISTRIBUTION OF THE FATIGUE LOAD

Xiong Junjiang, Gao Zhentong

Institute of Solid Mechanics, Beijing University of Aeronautics and Astronautics, Beijing,100083

Received:1994-11-07 Revised:1995-04-08 Online:1996-06-25 Published:1996-06-25

Abstract

Abstract: A rainflow loop method to make counting treament to load spectrum of actual measurement is presented. By means of this method, the load spectrum can be conveniently separated into the complete and independent stress cycles. A hypothesis test method for the two dimensional fatigue load distribution and a parameter estimation method are given. At last, their practical examples are presented.

Key words: rainflow-loop method, two-dimensional fatigue load, hypothesis test, parameter estimation

CLC Number:

V215. 5

Xiong Junjiang;Gao Zhentong. RAINFLOW-LOOP METHOD AND THE HYPOTHESIS TEST FOR THE TWO-DIMENSIONAL DISTRIBUTION OF THE FATIGUE LOAD[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 1996, 17(3): 297-301.

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RAINFLOW-LOOP METHOD AND THE HYPOTHESIS TEST FOR THE TWO-DIMENSIONAL DISTRIBUTION OF THE FATIGUE LOAD

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