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	Fatigue life prediction of vehicle's driving axle house under random loading
	Gao Jing ; Song Jian ; Zhu Tao
	2010-10-12 ; 2010-10-12
关键词	Practical Theoretical or Mathematical/ automotive components axles fatigue finite element analysis mechanical engineering computing remaining life assessment stress analysis vehicle dynamics/ fatigue life prediction vehicle driving axle house finite element methods vehicle multi-body system virtual road surfaces leaf spring pedestal random loading history fatigue analysis software failure position stress analysis modal analysis/ C7440 Civil and mechanical engineering computing C4185 Finite element analysis E2220 Vehicle mechanics E2210 Mechanical components E0210L Numerical analysis E2180E Fracture mechanics and hardness (mechanical engineering) E0410H Mechanical engineering applications of IT E1020 Maintenance and reliability
中文摘要	The solid model of a commercial vehicle' s driving axle house was built with the software Pro/Engineer. According to the theory of finite element methods (FEM), the finite element model of the axle house is built by means of the software MSC. Patran. The stress analysis and modal analysis were performed through the finite element analysis (FEA) software MSC. Nastran. Then, the whole vehicle multi-body system (MBS) model of the commercial vehicle equipped with the axle house is built and analyzed to obtain the random loading history-acted on the leaf spring pedestal through driving on different class virtual road surfaces. Based on the stress results of finite element analysis and the random loading history obtained above, the fatigue performance calculation of the axle house under single and multiple conditions is carried out with S-N methods and professional fatigue analysis software MSC. Fatigue. The life distribution of the whole axle house and the fatigue lives of the most damaged points were obtained. By comparing the failure position and fatigue lives of the axle house in the rig test, the results of the prediction and the test are consistent.
语种	中文
出版者	Editorial Department Journal of Mechanical Strength ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80020]
专题	清华大学
推荐引用方式 GB/T 7714	Gao Jing,Song Jian,Zhu Tao. Fatigue life prediction of vehicle's driving axle house under random loading[J],2010, 2010.
APA	Gao Jing,Song Jian,&Zhu Tao.(2010).Fatigue life prediction of vehicle's driving axle house under random loading..
MLA	Gao Jing,et al."Fatigue life prediction of vehicle's driving axle house under random loading".(2010).

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