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Li Zhou, Feng Wang, Feng Diao, Shifeng Ding, Hao Yu and Yang Zhou
The existence of ice in ice-covered waters may cause damage to the propeller of polar ships, especially when massive ice floes are submerged around the hull. This paper aims to simulate an interaction process of a direct ice collision with a propeller ba...
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Jiayu Huang, Feng Diao, Shifeng Ding, Sen Han, Pentti Kujala and Li Zhou
In previous studies of ship?ice interactions, most studies focused on ship?level ice interactions, overlooking potential rafted ice conditions in extreme ice conditions. The purpose of this study is to develop a numerical model for predicting ship resist...
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Xiao-Meng Dai, Liang Zong, Yang Ding, Hao-Wen Zhang and Feng-Wei Shi
The use of modular steel construction (MSC) achieves a minimum of on-site work and the potential for removability and reuse. In order to realize the overall disassembly of module buildings and the rapid off-site reconstruction after disassembly, special ...
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Yu Li, Feng Ding, Weijun Tian and Jinhua Zhou
During the milling of thin-walled blades, the removal of material exhibits strong time-varying dynamics, leading to chatter and a decrease in surface quality. To address the issue of milling vibrations in the machining of complex thin-walled blades used ...
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Yiyao Jiang, Guang Feng, Panglun Liu, Li Yuan, Jianbin Ding and Bingyan Jiang
Through the establishment of a three-dimensional joint clearance model, the effects of joint clearances at different positions on shimmy stability are evaluated. In this paper, considering the radial, axial and coupling characteristics of joint clearance...
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Yuangeng Ding, Hua Li, Jifeng Gao, Haiming Yu, Yongjian Wang and Dinghao Feng
In order to improve the success rate of garlic sowing and the qualification rate of garlic seeds, a fingerboard-type garlic seed metering device was designed, and its parameters were optimized. First, the structure and working principles of seed-metering...
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Michael R. Lindstrom, Xiaofu Ding, Feng Liu, Anand Somayajula and Deanna Needell
Nonnegative matrix factorization can be used to automatically detect topics within a corpus in an unsupervised fashion. The technique amounts to an approximation of a nonnegative matrix as the product of two nonnegative matrices of lower rank. In certain...
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Yan Zhang, Xiuli Feng, Shenggui Deng, Chenhao Ding and Tao Liu
Soil dilatancy and partial drainage have great influence on the consolidation coefficient assessment of silty soils with clay content of less than 30% in the Yellow River Delta using the CPTu. This paper discussed the effect of soil dilatancy and partial...
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Yiyao Jiang, Guang Feng, Panglun Liu, Li Yuan, Jianbin Ding and Bingyan Jiang
The design of the nose landing gear (NLG) torsional damping is very important to avoid the taxiing vibration of the aircraft. On the one hand, increasing the torsional damping can suppress the nose wheel shimmy. On the other hand, if the design value is ...
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Pu Yang, Ziwei Shen, Yu Ding and Kejia Feng
In this paper, a new adaptive observer is proposed to estimate the actuator fault and disturbance of a quadrotor UAV system with actuator failure and disturbance. Based on this, a nonsingular fast terminal sliding mode controller is designed. Firstly, ac...
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Zhihong Ouyang, Lei Xue, Feng Ding and Da Li
Linear approximate segmentation and data compression of moving target spatio-temporal trajectory can reduce data storage pressure and improve the efficiency of target motion pattern mining. High quality segmentation and compression need to accurately sel...
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Li Zhou, Feng Diao, Ming Song, Yue Han and Shifeng Ding
As a key parameter, icebreaking capability is often used to judge whether a polar ship could navigate in level ice at a certain speed. This paper presents two methods to calculate icebreaking capability. The first one is a static method based on the esti...
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Feng Ding, Pingze Zhang, Dongbo Wei, Xiaohu Chen, Shiyuan Wang, Zhangzhong Wang and Yimin Zhu
Oxidation resistance of Zr-Y coating on γ-TiAl alloy prepared by a double-glow plasma surface alloying technique was investigated in static air at 750 °C, 800 °C and 850 °C for 100 h. A pure Zr coating was also prepared for comparison. ...
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Qing Zhu, Feng Wang, Han Hu, Yulin Ding, Jiali Xie, Weixi Wang and Ruofei Zhong
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Xianqing Liu, Yu Ding, Wenlong Li, Puyang Zhang, Kui Yu, Yutao Feng, Nan Lv and Sheng Luo
In recent years, multi-bucket foundations have been studied and gradually adopted in engineering practices as a novel foundation for offshore wind turbines within a range of water depth of 30 to 50 m. This study investigated the motion characteristics of...
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Yunfei Feng, Bocheng Ding, Ruichang Wu, Xin Jin, Kefei Wu, Jianfeng Liao, Jianye Huang and Xiaojing Liu
The velocity map imaging (VMI) technique is used to acquire the momentum distribution of charged particles. Here, we introduce two additional operation modes for our recently built velocity map imaging (VMI) spectrometer: the spatial mapping mode that ma...
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Hongyu Wang, Yiren Ding, Qiushuang Yao, Lulu Ma, Yiru Ma, Mi Yang, Shizhe Qin, Feng Xu, Ze Zhang and Zhe Gao
Cotton yield estimation is of great practical significance to producers, allowing them to make rational management decisions. At present, crop yield estimation methods mainly comprise traditional agricultural yield estimation methods, which have many sho...
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Shuhan Xu, Feng Wang, Yuling Ding, Wenchao Liu, Yiyu Lan, Qingqing Jia, Peng Sun and Zhimin Sha
Rice?duckweed coculturing as an advanced technique has proven effective for weed control. However, the complex environmental interactions underlying its effectiveness remain unclear. In this study, a controlled pot experiment was conducted to isolate the...
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Feilong Lin, Chujin Liang, Tao Ding, Dingyong Zeng, Feng Zhou, Xiao Ma, Chenghao Yang, Hongliang Li, Beifeng Zhou, Chenggang Liu and Weifang Jin
The northern Andaman Sea (AS) continental shelf is unique due to the diverse marine ecosystem and existences of both hypoxia and internal tides, but limited in situ observations restrict our understanding of the hydrographic dynamic process. Based on the...
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Chien-Chang Chou, Chia-Nan Wang, Hsien-Pin Hsu, Ji-Feng Ding, Wen-Jui Tseng and Chien-Yi Yeh
In the past, case study and questionnaire survey methodologies have often been used to analyze the causes of marine accidents. One of the disadvantages of these two methods is that they can only interpret the specific causes of one particular marine acci...
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