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Hongcheng Li, Rong Zeng, Zhiyou Niu and Junqi Zhang
Clarifying the maize kernel movement during the crushing process is critical for improving the design and optimization of the impact mill. Rather than through experiments, maize kernel movement can be quantitatively analyzed through the discrete element ...
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Zhihao Zhao, Mingliang Wu and Xiaohu Jiang
In agricultural engineering, the discrete element simulation of the operational structure, object of movement, and force has become a standard method of modern agricultural equipment design. The selection and development of an appropriate contact model a...
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Bora Pulatsu, Rhea Wilson, Jose V. Lemos and Neboj?a Mojsilovic
Unreinforced masonry (URM) walls are common load-bearing structural elements in most existing buildings, consisting of masonry units (bricks) and mortar joints. They indicate a highly nonlinear and complex behaviour when subjected to combined compression...
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Taozhen Sheng, Tongchun Li, Xiaoqing Liu and Huijun Qi
The stability analysis of rock slopes has been a prominent topic in the field of rock mechanics, primarily due to the widespread occurrence of discontinuous structural planes in rock masses. Based on this complex characteristic of rock slopes, this paper...
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Hongli Qin, Tao Guo and Yunan Han
Intelligent prevention and control of infectious diseases.
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Yao Hu, Wei Xiang, Yiping Duan, Bo Yan, Lan Ma, Jiajie Liu and Jiangnan Lyu
To obtain the physical parameters and contact parameters of ramie stalk decorticating simulation, the structural dimensions, density, moisture content, elastic modulus, and contact parameters of the ramie stalk were measured in this study based on the ph...
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Weiquan Fang, Xinzhong Wang, Dianlei Han and Xuegeng Chen
The discrete element method and simulation analysis of the interaction between granular materials and implements provide a convenient and effective method for the optimal design of farming machinery. However, the parameter differences between different m...
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Weixin Zhou, Yao Zhao, Hua Yuan, Jingxi Liu and Xiaoqiang Wang
The pressure distribution of a misaligned elastomeric journal bearing is crucial for analyzing the uneven excessive wearing of the propulsion shaft bearing. However, analysis of the misaligned bearing is usually mainly based on the finite element method ...
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Yanjie Zhao, Guanci Chen, Wenbin Zhang and Yinke Ding
The traditional slewing bearing with circular raceway has the problem of stress concentration under the large overturning moment. In this paper, a new non-circular raceway of a slewing ball bearing was presented to conquer this problem. To obtain the new...
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Ziwen Li, Xiangyuan Zeng, Tongge Wen and Yonglong Zhang
The discrete element method (DEM) is usually applied in analyzing the scientifical origin/evolution of the asteroids and the landing/sampling of the regolith. In order to manage the contact between the non-spherical granules, the Polygonal Contact Model ...
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Ruodan Yu, He Ma, Jun Zhang and Yan Niu
In order to study the derailment process and dynamic performance-changing rules of vehicles on a curved track, a method of calculating critical derailment speed is proposed, which is the progressive trial method. In terms of their theoretical basis and c...
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Hao Gu and Kang Liu
Contact problems are widely encountered in geotechnical engineering, such as the contact between soils and concrete used in earth and rockfill dams, tunnels and coastal levees. Due to the unknown contact region and contact forces, the contact problems ha...
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Xuan-Ha Nguyen, Tien-Hiep Mau, Ingo Meyer, Bao-Lam Dang and Hong-Phuc Pham
Modeling and waveform optimization are important research topics for piezo-actuated stick?slip micro-drives. In this paper, the dynamics of piezo-actuated stick?slip micro-drives (PASSMDs) are theoretically investigated. We introduce an extended model ta...
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O. V. Agarkov,R. M. Yosyfovych
Pág. 71 - 86
Purpose. In the research one should do: 1) to determine a 3-d stress-strain state of the rail head in contact with the rolling wheels; 2) to analyze different forms of contact interaction; 3) to obtain the data necessary to calculate the durability of ra...
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Soorim Yang, Kyoung-Hwan Kim, Hye-Ryeong Jeong, Seokjun Lee and Jaeho Kim
The COVID-19 pandemic has underscored the necessity for rapid contact tracing as a means to effectively suppress the spread of infectious diseases. Existing contact tracing methods leverage location-based or distance-based detection to identify contact w...
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Jong Suk Lim and Hyung-Woo Lee
This paper presents a method of utilizing a non-contact position sensor for the tilting and movement control of a rotor in a rotary magnetic levitation motor system. This system has been studied with the aim of having a relatively simple and highly clean...
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Mykola ?. Tkachuk,Andriy Grabovskiy,Mykola ?. Tkachuk,Mariia Saverska,Iryna Hrechka
Pág. 16 - 25
A significant share of structures includes the components that are in contact with each other. These include, for example, stamps, molds, machine tools, technological equipment, engines, etc. They are characterized by a varied load mode. Therefore, an im...
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Dermot B. Casey, Gordon D. Airey, James R. Grenfell
Pág. 2402 - 2410
In pavement engineering a crude uniform contact pressure over a circular contact area is used to generate key strains for an analytical design method. The use of a more advanced tyre contact pressure measurement device has led to a situation where there ...
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V. G. Kuznetsov,D. A. Bosiy,T. I. Kiriluk
Pág. 103 - 109
The authors offer conferencing method for determining the power loss coefficient for the contact network. Authors have received expressions for the equivalent value of loss coefficient for the existing power schemes contact network.
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V. I. Profatylov
Pág. 11 - 15
A method of the automated measuring of contact pressure of railway automatics relay is offered in the article. The method is based on the design features of railway automatics electromagnetic relays, in which the falling of the armature occurs under the ...
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