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Yu Lu, Jianping Yuan, Qiaorui Si, Peifeng Ji, Ding Tian and Jinfeng Liu
In previous AUV designs, the thrusters were often placed outside the vehicle, resulting in their performance being significantly influenced by the shape of the vehicle. Additionally, this placement also leads to the generation of strong radiated noise th...
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Zhipeng Li, Bonan Wang, Xianbin Wang, Chao Zhang and Xu Meng
A sensor for measuring the crankshaft angle of the main engine in ships is designed. Compared with the existing crankshaft angle encoder, this design?s advantage is that there is no need to add a gear system at the free end of the crankshaft, reducing ma...
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Mengge Yu, Jiali Liu, Wei Huo and Jiye Zhang
Aiming to improve the comprehensive aerodynamic performance of a high-speed train, a multi-objective shape optimization method for a streamlined train head is proposed in this work. The shape of the streamlined train head is parameterized with some splin...
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Jean Ruppert, Marharyta Aleksandrova and Thomas Engel
Deterioration of the searchability of Pareto dominance-based, many-objective evolutionary optimization algorithms is a well-known problem. Alternative solutions, such as scalarization-based and indicator-based approaches, have been proposed in the litera...
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Wenbo Chen, Dingli Zhang, Qian Fang, Xuanhao Chen and Tong Xu
The small strain theory underestimates the self-bearing capacity of rock masses, especially for a soft rock tunnel under high geostress. To perform an efficient and accurate calculation and provide a reference for the stiffness design of a tunnel, the fi...
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