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Chaonan He, Linqing Zhou and Xinwei Ma
The marine fishery will be the main form of the marine economy in the future. Simulating a hydrodynamic response under normal and extreme working conditions is the main means of structural analysis and design of a mariculture ship. In this paper, a simul...
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Dongyang Yu, Jianfei He, Feihu Peng, Cheng Qian, Ying Zang, Minghua Zhang, Wenwu Yang, Guoxiang Zeng, Jianpeng Chen, Wei Qin and Zaiman Wang
To elucidate the vibrational characteristics of power chassis in paddy fields, we examined the Yanmar VPG6G rice transplanter across diverse terrains, including paddy fields, dry land, and concrete roads. Vibrational acceleration measurements, taken in l...
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Bin Zhou, Yingxin Hui and Xiaobo Zheng
This study proposes a stress analysis method of reinforced concrete (RC) box girder based on damage to reveal the dynamic mechanical response and damage mechanisms of a bridge under moving vehicle load. The effect of different vehicle mass, speed, concre...
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Lixia Li, Haiteng Hu and Xiaolan Wu
In this paper, we propose an acoustic black hole radial elastic metamaterial (AREM). Through the study of its dispersion relations, it is found that, compared with the conventional elastic metamaterial, the AREM gathers energy at the tip of the black hol...
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Chaeog Lim, Ik-seung Han, Ju-Young Kang, Im-jun Ban, Byungkeun Lee, Jun Soo Park and Sung-chul Shin
Global ship analysis is conducted using a finite element model (FE model) for ship design and construction, which involves structural, motion, and vibration analyses. It is crucial to examine the structural safety of the hull and motion response. In the ...
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Wei Chu, Yao Zhao, Ganbo Zhang and Hua Yuan
The longitudinal vibration of the propulsion shaft system is a challenging issue for marine noise management. We conducted various static and dynamic tests on our built test rig for the shafting system, presenting the results in this paper. By combining ...
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Ganbo Zhang, Yao Zhao and Wei Chu
Propeller-induced longitudinal vibration resonance in marine propulsion shafting systems causes great harm to the hull structure and is the primary source of shipboard noise. Integrating a friction damper with designed parameters into thrust bearings can...
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Wencheng Wu, Cheng Chang, Tao Li, Hongji Hu, Zhonglin Zhou, Wenhao Yang, Jinyue Guo, Peixu Zhu, Ju Li, Jianfeng Hu, Hong Cheng, Youfeng Tao, Wei Zhou, Fei Deng, Yong Chen, Wanjun Ren and Xiaolong Lei
Sowing quality is directly influenced by the seed-filling characteristics of a centralized seed-metering device, and vigorous seed-motion status deteriorates seeding performance resulting from field surface roughness, seeder vibration, etc. However, the ...
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Ming Ding, Jinhui Jiang, Fang Zhang, Xiao Liang and Nansun Shen
Helicopter gearbox support strut is one of the main research objects in the field of vibration and noise control in helicopter cabins. Aiming to further widen the vibration attenuation range of traditional Bragg periodic struts, a novel type of Local res...
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Qingbin Zhang, Zongxian Zhang, Congshi Wu, Junsheng Yang and Zhenyu Wang
The effect of a blasting vibration from an excavating tunnel on an adjacent excavated tunnel is of great importance for the stability and security of twin tunnels. Due to the relatively small distance between the tunnel face of the excavating tunnel and ...
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