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Peizhao Zhong, Weiqing Jia, Wenwu Yang, Jianfei He, Erli Zhang, Dongyang Yu, Yuhang Xu, Jianpeng Chen, Feihu Peng, Guoxiang Zeng, Chen Zhang, Shiqi Zeng, Bo Gao, Haihai Pei and Zaiman Wang
The parameters of the discrete element simulation model for rice field soils serve as valuable data references for investigating the dynamic characteristics of the walking wheel of high-speed precision seeding machinery in paddy fields. The research spec...
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Qi Hong, Tianyi Zhou and Junde Qi
Polishing force is one of the key process parameters in the polishing process of blisk blades, and its control accuracy will affect the surface quality and processing accuracy of the workpiece. The contact mechanism between the polishing surface and flap...
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Heng Liu, Wenzhi Xu, Quanchun Yuan, Jin Zeng, Xiaohui Lei and Xiaolan Lyu
In addressing the challenges of high energy consumption and low efficiency in fertilization borehole drilling for clayey soils in southern orchards, this study utilizes the Discrete Element Method to establish a simulation model for clayey soils. Through...
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Sipho G. Thango, Georgios A. Drosopoulos, Siphesihle M. Motsa and Georgios E. Stavroulakis
A methodology to predict key aspects of the structural response of masonry walls under blast loading using artificial neural networks (ANN) is presented in this paper. The failure patterns of masonry walls due to in and out-of-plane loading are complex d...
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Zhiyi Wang, Chuanzhi Chen, Jinbao Chen and Guang Zheng
In this paper, a novel 3D (three-dimensional) soft-landing dynamic theoretical model of a legged lander is developed in detail as well as its numerical solution process. The six degrees of freedom motion (6-DOF) of the base model of the lander with mass ...
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Yi Zeng, Chaopeng Chen, Wei Quan, Shuangpeng Xie, Fanggang Shi, Zitao Ma and Mingliang Wu
Existing calibration methods for contact parameters of soil discrete elements are primarily based on a single physical property of soil (e.g., natural accumulation angle and shear characteristics). To solve this limitation, a calibration method based on ...
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Min Liu, Jingli Wang, Weizhi Feng, Haiyang Jing, Yang Wang, Yingjie Guo and Tianyue Xu
To apply the discrete element method (DEM) to simulate the interaction process between soda saline?alkali soil and subsoiling component in Northeast China, establishing the soda saline?alkali soil particle model and selecting more accurate simulation par...
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Tao He, Yingzhi Zhou, Yong Liu and Yang Xia
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effect...
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Yang Jiang, Yurong Tang, Wen Li, Yong Zeng, Xiaolong Li, Yang Liu and Hong Zhang
Simulation can be used to visualize the mechanical classification of walnuts. It can collect microscopic information about walnuts in the classification roller and guide its optimization design. In this process, simulation parameters are essential factor...
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Long Zhou, Qiu Dong, Jianqun Yu, Yang Wang, Yulong Chen, Mingwei Li, Wenjun Wang, Yajun Yu and Jun Yuan
An appropriate contact mechanics model and parameters are key to achieving accurate results in discrete element analyzis. This is necessary to predict the process of contact collision between the soil and maize seed during deposition. In this paper, the ...
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