Stochastic Fatigue Reliability Analysis for Torsion Shaft of Military Tracked Vehicles

Hui Bin Hu; Li Jun Cao; Shu Xiao Chen; Xin Wen Cao

doi:10.4028/www.scientific.net/AMM.543-547.199

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 543-547Stochastic Fatigue Reliability Analysis for...

Stochastic Fatigue Reliability Analysis for Torsion Shaft of Military Tracked Vehicles

Abstract:

There are coupled cases of high-cycle fatigue and low-cycle fatigue in torsion shaft of military tracked vehicles. To accurately analyze the stochastic fatigue reliability of torsion shaft, a new kind of decoupling method for high-cycle fatigue and low-cycle fatigue was firstly put forward. Probability fatigue accumulation damage theory and nominal stress method were combined to analyze high-cycle fatigue. Random response surface method was adopted to fit the life distribution function for low-cycle fatigue. To obtain the high-cycle and low-cycle stochastic fatigue reliability, probability fatigue accumulation damage theory and local stress and strain method were used. Then, composite damages of torsion shaft under high-cycle fatigue and low-cycle fatigue could be achieved based on probability fatigue accumulation damage thoery.

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Periodical:

Applied Mechanics and Materials (Volumes 543-547)

Pages:

199-202

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.543-547.199

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Online since:

March 2014

Authors:

Hui Bin Hu*, Li Jun Cao, Shu Xiao Chen, Xin Wen Cao

Keywords:

Decoupling, Miliatry Tracked Vehicles, Stochastic Fatigue Reliability, Torsion Shaft

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* - Corresponding Author

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