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Liwei Zhang, Weiguo Zhang, Zaiquan Wang, Sijia Liu and Kai Liu
Dynamic risk assessment is a pivotal tool for enhancing construction safety and minimizing the potential for partial failure during deep and extensive excavation projects. To enhance the efficacy of dynamic risk assessment in deep excavation, this study ...
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Wenxia Lu, Xueyong Tian, Yongguang Ma, Yinyan Guan, Libo Liu and Liwei Shi
Sewage treatment plants face significant problems as a result of the annual growth in urban sewage discharge. Substandard sewage discharge can also be caused by rising sewage treatment expenses and unpredictable procedures. The most widely used sewage tr...
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Xueqin Pan, Jun Liu, Xiao Xu, Liwei Zhang and Long Zhang
Selecting palatable plants matters for insect herbivores? survival, especially for food-restricted oligophagous and monophagous species. However, the definite selection strategy to distinguish host plants from nonhost plants, as well as the underlying se...
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Liwei Guo, Weidong Liu, Le Li, Yichao Lou, Xinliang Wang and Zhi Liu
This paper proposes a neural network-based nonsingular terminal sliding mode controller with prescribed performances for the target tracking problem of underactuated underwater robots. Firstly, the mathematical formulation of the target tracking problem ...
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Tao He, Dakui Feng, Liwei Liu, Xianzhou Wang and Hua Jiang
Tank sloshing is widely present in many engineering fields, especially in the field of marine. Due to the trend of large-scale liquid cargo ships, it is of great significance to study the coupled motion response of ships with tanks in beam waves. In this...
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Kai Dong, Xianzhou Wang, Donglei Zhang, Liwei Liu and Dakui Feng
The simulations of submarine sailing near the free surface with long-crested waves have been conducted in this study using an in-house viscous URANS solver with an overset grid approach. First, the verification and validation procedures were performed to...
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Jun Yang, Dakui Feng, Liwei Liu, Xianzhou Wang and Chaobang Yao
This study presents a numerical research on the open-water performance of a pumpjet propulsor at different scales. Simulations were performed by an in-house viscous CFD (Computational Fluid Dynamic) code. The Reynolds-averaged Navier?Stokes (RANS) method...
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Liwei Song, Ying Shi, Wei Liu and Qiang Zhao
One of the most effective techniques to obtain PP and PS images is elastic reverse time migration which employs multi-component seismic data. The two types of complementary images play an important role in reducing blind spots in seismic exploration. How...
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Liwei Xu, Yingyi Li, Jun Cai, Wanli Zhao, Tongyu Liu, Tongyu Dai, Youlun Ju and Yu Ding
A graphene passively Q-switched Nd:YAG laser experienced resonant pumping by an 885 nm laser diode (LD), as demonstrated in this paper. In the continuous-wave operation, the maximum average output power was up to 1.8 W with the absorbed pump power being ...
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Congwei Wang, Na Liu, Liwei Pan, Sheng Wang, Zhongshan Yuan and Shudong
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