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Hee Min Teh, Faris Ali Hamood Al-Towayti, Vengatesan Venugopal and Zhe Ma
This experimental study investigated the hydrodynamic performance of the first free-surface semicircular breakwater supported on piles under regular waves. The research focused on SCB models with porosity levels of 0%, 9%, 18%, and 27%. Experimental test...
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Huu Phu Nguyen, Jeong Cheol Park, Mengmeng Han, Chien Ming Wang, Nagi Abdussamie, Irene Penesis and Damon Howe
Wave attenuation performance is the prime consideration when designing any floating breakwater. For a 2D hydrodynamic analysis of a floating breakwater, the wave attenuation performance is evaluated by the transmission coefficient, which is defined as th...
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Sanfeng Liu, Hansheng Geng, Xinli Kong, Yinzhi Zhou, Peng Wang and Fengnian Jin
The weak layer has good attenuation performance when it comes to the explosive stress wave, which can be used in protective structures. In this paper, a cement mortar specimen was designed, cast, and tested. Under inner explosion, due to the expansion of...
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Jianting Guo, Yongbin Zhang, Xiangqian Bian and Sheng Xu
As the technical and theoretical research of floating breakwaters is becoming increasingly mature, the floating breakwaters are now being utilized, especially in offshore reefs. Therefore, it is of practical significance to study the hydrodynamic perform...
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Xiaofei Cheng, Chang Liu, Qilong Zhang, Ming He and Xifeng Gao
By adding a cylindrical airbag on the leeward side of a cuboid pontoon, a new-type double-row floating breakwater is designed to improve the wave attenuation performance, and its hydrodynamic characteristics are studied through numerical simulations. Fir...
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Thaar A. Kareem,Maab Alaa Hussain,Mays Kareem Jabbar
Pág. pp. 176 - 192
This research puts forth an optimization- based analog beamforming scheme for millimeter-wave (mmWave) massive MIMO systems. Main aim is to optimize the combination of analog precoder / combiner matrices for the purpose of getting near-optimal performanc...
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Jichun Zhang, Yiou Shen, Bing Jiang and Yan Li
Natural fiber and wood are environmentally friendly materials with multiscale microstructures. The sound absorption performance of flax fiber and its reinforced composite, as well as balsa wood, were evaluated using the two-microphone transfer function t...
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Jichun Zhang, Yiou Shen, Bing Jiang and Yan Li
Natural fiber and wood are environmentally friendly materials with multiscale microstructures. The sound absorption performance of flax fiber and its reinforced composite, as well as balsa wood, were evaluated using the two-microphone transfer function t...
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Idi Souley Tangam, Roland Yonaba, Dial Niang, Mahaman Moustapha Adamou, Amadou Keïta and Harouna Karambiri
This study focuses on the Sirba River Basin (SRB), a transboundary West African catchment of 38,950 km2 shared by Burkina Faso and Niger, which contributes to flooding downstream in Niamey (Niger). The study uses the HEC-HMS hydrological model to explore...
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Syeda Fizzah Jilani, Oluyemi P. Falade, Tom Wildsmith, Paul Reip and Akram Alomainy
This paper demonstrates a design, fabrication and performance evaluation of a frequency selective 60-GHz flexible metasurface in order to facilitate an unobstructed, secure, and low-loss high-frequency signal propagation. The high-attenuation 60 GHz mill...
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Zhenlin Wu, Lin Zhang, Shaoshuai Han, Di Lian, Tongfei Wu, Wenjie Chu, Haoyu Li, Lei Guo, Mingshan Zhao and Xin Yang
In recent years, millimeter-wave communication has played a crucial role in satellite communication, 5G, and even 6G applications. The millimeter-wave electro-optic modulator is capable of receiving and processing millimeter-wave signals effectively. How...
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Maria Barroso-Romero, Daniel Gagar, Shashank Pant and Marcias Martinez
Acoustic Emission (AE) monitoring can be used to detect and locate structural damage such as growing fatigue cracks. The accuracy of damage location and consequently the inference of its significance for damage assessment is dependent on the wave propaga...
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Christophe Baron-Hyppolite, Christopher H. Lashley, Juan Garzon, Tyler Miesse, Celso Ferreira and Jeremy D. Bricker
Assessing the accuracy of nearshore numerical models?such as SWAN?is important to ensure their effectiveness in representing physical processes and predicting flood hazards. In particular, for application to coastal wetlands, it is important that the mod...
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