An energy-based fatigue life prediction of a mining truck welded frame

被引：0
|
作者：
Zhengqi Gu
Chengji Mi
Zhiping Ding
Yong Zhang
Shuichang Liu
Duzhong Nie
机构：
[1] Hunan University of Technology,State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body
[2] Hunan University,undefined
[3] Hunan University of Arts and Science,undefined
来源：
Journal of Mechanical Science and Technology | 2016年 / 30卷
关键词：
Fatigue characterization; Fatigue modeling; Energy-based approach; Welded structure; Vehicle dynamic simulation;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An energy-based fatigue damage model was used to estimate the fatigue life of a mining truck welded frame. Experimental work including monotonic and strain-controlled cyclic loading was conducted to characterize the base metal and the weld. A dynamic model was created for the whole truck in the ADAMS software to estimate the force histories applied to the frame in different maneuvers over a simulated road. A Finite element (FE) model was generated for the welded frame and the cyclic loading obtained from the dynamic model was applied to the FE model. The FE model was used to find the stress and strain responses, which were then used to calculate the strain energy and the fatigue life. The fatigue life predictions for the frame agreed well with observations of the truck’s in-service failure.
引用
收藏
页码：3615 / 3624
页数：9
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