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Mengzhen Wu, Xianghong Xu, Haochen Zhang, Rui Zhou and Jianshan Wang
As a traditional numerical simulation method for pantograph?catenary interaction research, the pantograph?catenary finite element model cannot be applied to the real-time monitoring of pantograph?catenary contact force, and the computational cost require...
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Rui Zhou and Xianghong Xu
The significant increase in the speed of high-speed trains has made the optimization of pantograph?catenary parameters aimed at improving current collection quality become one of the key issues that urgently need to be addressed. In this paper, a method ...
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Jian Qin, Zhenquan Zhang, Xuening Song, Shuting Huang, Yanjun Liu and Gang Xue
In order to enhance the power generation efficiency and reliability of wave energy converters (WECs), an enclosed inertial WEC with a magnetic nonlinear stiffness mechanism (nonlinear EIWEC) is proposed in this paper. A mathematical model of the nonlinea...
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Hang Su, Tao Deng, Zengquan Yang, Jianpeng Qin and Lu Zheng
Shield misalignment is a common problem in shield tunnels, which seriously affects the safety and durability of tunnels. However, at present, there is a lack of research on the influence of shield misalignment on the shear capacity of the circumferential...
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Yongyu Qu, Bo Song, Shubing Cai, Pinzeng Rao and Xichen Lin
Recently, the Chinese government has implemented stringent water requirements based on the concept of ?Basing four aspects on water resources?. However, existing research has inadequately addressed the constraints of water resources on population, city b...
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Junrong Wang, Chunlei He, Dianfu Fu, Kuang He and Junfeng Du
Fatigue failure caused by frequent tension and bending loads is a crucial safety concern for mooring chains used on floating structures in the oil and gas industry. The bending effect for a chain?s fatigue is usually not considered by existing fatigue an...
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He Zhao, Long-Hui Sun, Hong-Bing Chen and Xiao-Gang Liu
The steel frame-reinforced concrete core tube structural system is widely used in mid-rise and high-rise buildings due to its good seismic behaviour and high construction efficiency. Since the steel frame and the reinforced concrete core tube are suppose...
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Rui-Yu Li, Yu Guo and Bin Zhang
Nonnegative matrix factorization (NMF) is an efficient method for feature learning in the field of machine learning and data mining. To investigate the nonlinear characteristics of datasets, kernel-method-based NMF (KNMF) and its graph-regularized extens...
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Huaibo Yao, Yixin Huang, Wenlai Ma, Lei Liang and Yang Zhao
Joints are widely used in large deployable structures but show semi-rigidity due to performance degradation and some nonlinear factors affecting the structure?s dynamic characteristics. This paper investigates the influence of semi-rigid joints on the ch...
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Ho Choi, Chunri Quan and Kiwoong Jin
This study focused on the in-plane rocking behavior of unreinforced masonry (URM) walls. Three URM wall specimens were designed and fabricated based on a typical masonry house in Korea. The experimental parameters were the layout of openings (its presenc...
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