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Jianguo Zhao, Yang Yu, Hao Xu, Rongtang Zhang, Yuxi Ma and Jialiang Li
Numerical seismic wave field simulation is essential for studying the dynamic responses in semi-infinite space, and the absorbing boundary setting is critical for simulation accuracy. This study addresses spherical waves incident from the free boundary b...
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Zeqing Fan, Xiaobin Li, Tao Huang and Wei Chen
A multilayer liquid-containing protective structure is composed of a liquid tank, ceramic, a honeycomb sandwich and homogeneous steel. This structure has superior resistance to combined blast wave and fragment loading. Due to the relatively complicated c...
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Yu Gai, Qi Tan, Yating Zhang, Zhengyi Zhao, Yiguang Yang, Yanyan Liu, Ruitao Zhang and Jianquan Yao
Uplink communication across the water?air interface holds great potential for offshore oil surveys and military applications. Among the various methods available for implementing uplink communication, translational acoustic-RF (TARF) communication stands...
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Ioannis Kazakis and Theophanis V. Karambas
This study focuses on the numerical investigation of the 3D hydrodynamic processes of coastal zones such as wave breaking, wave-induced currents, and sediment transport, using the multiphase, interFoam solver of OpenFOAM® (a state-of-the-art, open-source...
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Evan Anderson, Budi Gunawan, James Nicholas, Mathew Ingraham and Bernadette A. Hernandez-Sanchez
Marine energy generation technologies such as wave and tidal power have great potential in meeting the need for renewable energy in the years ahead. Yet, many challenges remain associated with marine-based systems because of the corrosive environment. Co...
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Kangkang Shi, Dongsheng Li, Dongsen Hu, Qi Shen and Guoyong Jin
The acoustic absorption characteristics of anechoic coatings attached to the surface of underwater vehicles are closely related to their acoustic stealth. Owing to the essential property of local resonance, the narrow sound-absorption band cannot meet th...
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Spyridon G. Kosionis, Alexandros Kontakos and Emmanuel Paspalakis
We examine the optical absorption in a hybrid structure composed of a metal nanoshell and a semiconductor quantum dot, while interacting with a linearly polarized probe electromagnetic field. First, we derive the equations of motion, in the rotating wave...
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Yong Wan, Xiaoshun Feng and Wen Zhang
Based on the past ten years of ERA5 wave field data, this study analyzed the distribution of wave energy resources in the coastal waters of each province around the South China Sea. In view of the single resource evaluation method, a regional classificat...
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Hongyu Ren, Qianyi Shangguan, Zijun Song, Yong Zhao, Zao Yi, Guolu Ma, Jianguo Zhang, Hua Yang, Shifa Wang and Pinghui Wu
This paper presents a graphene metamaterial absorber based on impedance matching. A finite difference in time domain (FDTD) method is used to achieve a theoretically perfect absorption in the mid-infrared band. A basis is created for the multiband stable...
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Moisés Brito, Francisco Bernardo, Maria G. Neves, Diogo R. C. B. Neves, Alejandro J. C. Crespo and José M. Domínguez
A 2D numerical investigation of the power absorption of a constrained wave energy hyperbaric converter (WEHC) under full-scale sea wave conditions is presented. A fully non-linear numerical model DualSPHysics, based on the coupling of a smoothed particle...
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