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Zhanlin Feng, Kuanliang Wang and Honghui Teng
This study numerically investigates the effects of diluent gas proportion, the overdrive factor, and throat width on the wave structure and thrust performance of a ram accelerator operating in super-detonative mode. For premixed gas of a high energy dens...
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Guangsheng Wang, Longzai Ge, Tong Yu, Yajing Zhang and Songgui Chen
Based on the failure and instability of different structural transitions of offshore breakwater, this paper provides a basis for understanding the instability mechanism and also provides suggestions for engineering repair. Based on the breakwater project...
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Mingyuan Wang, Linfeng Song, Xinglei Cheng, Jianxin Zhang, Liqiang Lu and Wenqian Li
This study derives the expression of dynamic stress components of the soil element in the semi-infinite elastic space under obliquely incident P- and SV-waves, and obtained the corresponding dynamic stress path. The effects of some factors including the ...
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Sarat Chandra Mohapatra and C. Guedes Soares
A hydroelastic model is developed of a floating flexible structure in the presence of a submerged perforated base connected with mooring lines under oblique wave action. Using the velocity decomposition method, the analytical solution of the referred mod...
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Min Guk Seo, Yoon Jin Ha, Bo Woo Nam and Yeongyu Kim
In this study, experimental and numerical methods were applied to estimate surge and sway wave drift forces and yaw drift moment acting on KVLCC2, advancing in oblique wave. An experiment was carried out in the ocean engineering basin of the Korea Resear...
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Qinglong Chen, Hongwei Li, Shudi Zhang, Jian Wang, Yongjie Pang and Qingyun Wang
Emergent buoyantly rising submarines encounter excess roll problems, partially owing to waves that significantly affect their behavior. This study predicts the behavior of a submarine, including when it rises in static water, beam sea, head wave, followi...
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Sebastian Dan, Corrado Altomare, Tomohiro Suzuki, Tim Spiesschaert and Toon Verwaest
Physical model experiments were conducted in a wave tank at Flanders Hydraulics Research, Antwerp, Belgium, to characterize the wave overtopping and impact force on vertical quay walls and sloping sea dike (1:2.5) under very oblique wave attack (angle be...
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Weiqin Liu, Qilu Zou, Yaqiang Zhang, Yong Nie and Xuemin Song
Large waves cause a great number of collapsed-ship accidents, resulting in the loss of many lives and properties. It has been found that most of these collapses are caused by encountering oblique waves. As a result, the ship structure experiences a compl...
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Jinya Xu, Jiaye Gong, Luyao Wang and Yunbo Li
The stability of navigation in waves is crucial for ships, and the effect of the waves on navigation stability is complicated. Hence, the LSTM neural network technique is applied to predict the course changing of a ship in different wave conditions, wher...
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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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Jianxiu Qin and Dehua Zhu
Two-dimensional oblique detonation waves (ODWs) induced by finite wedges in a stoichiometric hydrogen?air mixture have been investigated numerically based on reactive Euler equations with a detailed chemical reaction model. The main zone affected by the ...
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George S. Liodakis, Theodoros N. Kapetanakis, Melina P. Ioannidou, Anargyros T. Baklezos, Nikolaos S. Petrakis, Christos D. Nikolopoulos and Ioannis O. Vardiambasis
A complex cylindrical structure consisting of a group of parallel stratified circular lossy dielectric cylinders, embedded in a dielectric circular cylindrical region and surrounded by unbounded dielectric space, is considered in this paper. The scatteri...
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I-Fan Tseng, Chi-Shian You and Chia-Cheng Tsai
The Bragg reflections of oblique water waves by periodic surface-piercing structures over periodic bottoms are investigated using the eigenfunction matching method (EMM). Based on the assumption of small wave amplitude, the linear wave theory is employed...
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Sarat Chandra Mohapatra and C. Guedes Soares
The application of flexible horizontal porous structure has a significant impact on the design of breakwaters and wave energy absorption devices for coastal protection and wave energy extraction, respectively. This type of structure is more economical co...
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Ivo M. Van der Werf and Marcel R.A. Van Gent
Most guidelines on wave overtopping over coastal structures are based on conditions with waves from one direction only. Here, wave basin tests with oblique wave attack are presented where waves from one direction are combined with waves from another dire...
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Ivo M. Van der Werf and Marcel R.A. Van Gent
Most guidelines on wave overtopping over coastal structures are based on conditions with waves from one direction only. Here, wave basin tests with oblique wave attack are presented where waves from one direction are combined with waves from another dire...
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Ivo M. Van der Werf and Marcel R.A. Van Gent
Most guidelines on wave overtopping over coastal structures are based on conditions with waves from one direction only. Here, wave basin tests with oblique wave attack are presented where waves from one direction are combined with waves from another dire...
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Yinxin Zhu, Zhenbing Luo, Wenqiang Peng, Qiang Liu, Yan Zhou, Wei Xie, Pan Cheng, Zhengxue Ma and Xuzhen Xie
To effectively reduce shock wave loss at the trailing edge of a supersonic cascade under high back-pressure, a shock wave control method based on air jets is proposed. The air jet was arranged on the pressure side of the blade in the upstream of the trai...
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Chang-Thi Tran, Jen-Yi Chang and Chia-Cheng Tsai
This paper investigates the scattering of oblique water waves by multiple thin barriers over undulation bottoms using the eigenfunction matching method (EMM). In the solution procedures of the EMM, the bottom topographies are sliced into shelves separate...
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Qingze Gao, Lifei Song and Jianxi Yao
The wave-induced motions, and steady wave forces and moments for the oil tanker KVLCC2 in regular head and oblique waves are numerically predicted by using the expanded RANS solver based on OpenFOAM. New modules of wave boundary condition are programed i...
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