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Junru Li, Shengshi Xie, Fei Liu, Yaping Guo, Chenglong Liu, Zhenyu Shang and Xuan Zhao
To improve the accuracy of discrete element simulation in the process of separating potato?soil mixtures, the contact parameters of sandy soil with 3, 6, 9, and 12% water content were calibrated in DEM simulation using EDEM software simulation. The error...
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Jinyeong Yu, Seung Jun Oh, Seunghun Baek, Jonghyun Kim and Taekyung Lee
The multi-pass caliber rolling (MPCR) of Mg alloy has attracted much attention due to its engineering and manufacturing advantages. The MPCR process induces a unique microhardness variation, which has only been predicted using a finite element analysis t...
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Seongjin Song and Sunho Park
In this paper, numerical studies were carried out on scour around a subsea pipeline. A coupled solver between computational fluid dynamics (CFD) and discrete element method (DEM) was selected to simulate fluid flow and particle interactions. To select an...
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Xiaobin Wu, Jun Cheng, Zhilong Xu, Leyang Dai, Qingshan Jiang, Bosheng Su, Li Zhu and Zhenye Zhao
Ultrasonic surface rolling (USRP) is an effective process to improve a workpiece?s fatigue property, in which ultrasonic vibration and static force are applied on the workpiece?s surface. In order to clarify the ultrasonic rolling strengthening mechanism...
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Wenliao Du, Xukun Hou and Hongchao Wang
It is difficult to accurately extract the health index of non-stationary signals of rolling bearings under variable rotational speed, which also leads to greater prediction error for bearing degradation models with fixed parameters. For this reason, an a...
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