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Hyun-Ju Oh, Jung-Hoon Park and Hyung-Choon Park
Pile foundations are used to support superstructures and play an important role in the safety of these structures. The performance of pile foundations generally depends on the conditions of the pile itself and the material under the pile tip(i.e., bottom...
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Lite Zhang, Zhuokai Wang and Huixia Jia
The study of the water entry of successively fired projectiles under a wave environment is of great significance for the development and application of supercavitation weapons. In this paper, the supercavitating flow field of two successively fired proje...
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Zijian Zhang and Ziqi Jiang
Detonation initiation is a prerequisite to normal operations of an oblique detonation engine (ODE), and initiation-assistant measures are imperative in cases of initiation failure that occur in a length-limited combustor under wide-range flight condition...
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Fali Huo, Changdong Wei, Chenyang Zhu, Zhaojun Yuan and Sheng Xu
During the towing of semisubmersible platforms, waves impact and superpose in front of the platform to form a ridge shaped ?water ridge?, which protrudes near the platform and produces a large slamming pressure. The water ridges occur frequently in the t...
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Ze Sun, Mengchun Bian, Jun Ding, Jiarui Liu, Haicheng Zhang and Daolin Xu
Wind and waves are the main factors of environmental loading on ships and offshore structures. Thus, detailed understanding of wind and wave conditions can improve the design and maintenance of these structures. This paper developed a validated long-term...
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Hitoshi Tanaka, Nguyen Xuan Tinh, Xiping Yu and Guangwei Liu
A theoretical and numerical study is carried out to investigate the transformation of the wave boundary layer from non-depth-limited (wave-like boundary layer) to depth-limited one (current-like boundary layer) over a smooth bottom. A long period of wave...
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Rafael P. Maciel, Cristiano Fragassa, Bianca N. Machado, Luiz A. O. Rocha, Elizaldo D. dos Santos, Mateus N. Gomes and Liércio A. Isoldi
This work presents a two-dimensional numerical analysis of a wave channel and a oscillating water column (OWC) device. The main goal is to validate a methodology which uses transient velocity data as a means to impose velocity boundary condition for the ...
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Shu-qi Wang, Ying Zhang, Yang-yang Xie, Gang Xu, Kun Liu and Yuan Zheng
To take advantage of the high tidal current velocity near the free surface, the horizontal axis turbine is installed, which inevitably causes hydrodynamic characteristics to effect the turbine by the waves. In this article, we established a numerical cal...
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Kenji Taniguchi
Future variations in the ocean wave climate caused by global warming could affect various coastal issues. Using a third-generation wave model, this study produced projections of the ocean wave climate for winter around Japan, focusing on the Japan Sea si...
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Mera M.
Pág. 37 - 41
This research focuses on the development of a set of two-dimensional boundary conditions for specific governing equations. The governing equations are existing Boussinesqtype equations which is capable of simulating wave-current interaction. The present ...
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Vitaliy D. Rusov, Elena P. Linnik, Victor A. Tarasov, Tatiana N. Zelentsova, Igor V. Sharph, Vladimir N. Vaschenko, Sergey I. Kosenko, Margarita E. Beglaryan, Sergey A. Chernezhenko, Pavel A. Molchinikolov, Sergey I. Saulenko and Olga A. Byegunova
Physical fundamentals of traveling wave reactor are considered. We show that the condition of existence of nuclear burning soliton-like wave in a neutron-multiplying medium is determined in general by two conditions. The first condition (necessary) is de...
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Ike Fibriani,Januar Fery Irawan,Alfredo Bayu Satriya,Satrio Budi Utomo,Widyono Hadi,Widjonarko Widjonarko,Khoiril Khoiril
Pág. 13 - 20
Indonesia is an archipelagic country that has a very wide sea area. Thus, Indonesian sea has a huge potential of natural resources that can be utilized to grow the nation's economy. There are many occupations and efforts that can be done to increase the ...
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Qi Zhang, Mi Zhao, Jingqi Huang, Xiuli Du and Guoliang Zhang
Seismic waves propagation with an oblique angle to the tunnel axis will cause asynchronous tunnel motions and have a significant effect on the axial response. A high-precision 2.5D finite element method is established in the frequency domain to simulate ...
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William Lambert, Stefano Brizzolara and Craig Woolsey
Near-surface simulation methods for shallowly submerged underwater vehicles are necessary for the population of a variety of free-surface-affected, coefficient-based maneuvering and seakeeping models. Simulations vary in complexity and computational cost...
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Sonja Eichentopf, Joep van der Zanden, Iván Cáceres and José M. Alsina
The evolution of different initial beach profiles towards the same final beach configuration is investigated based on large-scale experimental data. The same wave condition was performed three times, each time starting from a different initial profile mo...
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A. WIIN NIELSEN
The stability of atmospheric waves with low wave numbers is investigated using a quasi-geostrophic model of the second kind. Such a model is based on the thermodynamic equation, the continuity equation and a rigorous use of the geostrophic relations. ...
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Julien Touboul, Veronica Morales-Marquez and Kostas Belibassakis
The wave?current?seabed interaction problem is studied by using a coupled-mode system developed for modeling wave scattering by non-homogeneous, sheared currents in variable bathymetry regions. The model is based on a modal series expansion of wave veloc...
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Zhihong Zhang, Chaowei Huang, Xing Xu, Lizhe Ma, Zhou Yang and Jieli Duan
Potted plant canopy extraction requires a fast, accurate, stable, and affordable detection system for precise pesticide application. In this study, we propose a new method for extracting three-dimensional canopy information of potted plants using millime...
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Gang Xue, Jian Qin, Zhenquan Zhang, Shuting Huang and Yanjun Liu
To obtain the optimal mooring mode and the best-matching wave condition of an eccentric rotor wave energy converter (ERWEC), a physical model of the ERWEC was developed. Ten mooring modes and eight wave conditions were set up. Several experiments were ca...
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Wei Lin and Cheng Su
The growing demand for the application of jacket platforms in deep water requires more attention on the assessment of structural reliability. This paper is devoted to the dynamic reliability analysis of jacket platforms subjected to random wave loads wit...
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