|
|
|
|
|
Simin Gao, Hexia Huang, Yupeng Meng, Huijun Tan, Mengying Liu and Kun Guo
In this paper, a novel flow perturbation model meant to investigate the effects of incoming wind shear on a hypersonic inlet/isolator is presented. This research focuses on the transient shock/boundary layer interaction and shock train flow evolution in ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Iskander Abroug, Reine Matar and Nizar Abcha
The understanding of the occurrence of extreme waves is crucial to simulate the growth of waves in coastal regions. Laboratory experiments were performed to study the spatial evolution of the statistics of group-focused waves that have a relatively broad...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nan He, Xiaolong Chi, Chi Feng, Manfei Lu, Li Zhang and Jingming Dong
Steam ejectors could improve the energy efficiency of ships by efficiently utilizing low-grade waste heat from ships for seawater desalination or cooling. The internal flow characteristics of steam ejectors can be deeply analyzed through numerical simula...
ver más
|
|
|
|
|
|
|
|
|
|
|
Feilong Li, Jianjun Luo, Dengke Wang and Lei Wang
The characteristics of the aerodynamic effects of high-speed trains passing in a shield tunnel were studied using the three-dimensional, compressible, unsteady Reynolds-averaged Navier-Stokes (RANS) equations for the simulation analysis. Numerical calcul...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wenbo Pan, Meng He and Cheng Cui
The dynamic response characteristics of a two-dimensional submerged floating tunnel (SFT) under random and freak waves were investigated in the present study. The results demonstrate that (1) the dynamic responses of the SFT under the freak wave are sign...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lúcia Moreira, Roberto Vettor and Carlos Guedes Soares
In this paper, simulations of a ship travelling on a given oceanic route were performed by a weather routing system to provide a large realistic navigation data set, which could represent a collection of data obtained on board a ship in operation. This d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yunfeng Zou, Zhengyi Fu, Xuhui He, Chenzhi Cai, Jia Zhou and Shuai Zhou
This paper focuses on field measurements and analyses of train-generated wind loads on wind barriers (3.0 m height and porosity 0%) with respect to different running speeds of the CRH380A EMU vehicle. Multi-resolution analysis was conducted to identify t...
ver más
|
|
|
|
|
|
|
|
|
|
|
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...
ver más
|
|
|
|
|
|
|
|
|
|
|
Wei Liu, Junxing Cao, Jiachun You and Haibo Wang
Vector decomposition of P- and S-wave modes from elastic seismic wavefields is a key step in elastic reverse-time migration (ERTM) to effectively improve the multi-wave imaging accuracy. Most previously developed methods based on the apparent velocities ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weida Xia, Yuxiang Ma, Guohai Dong, Jie Zhang and Xiaozhou Ma
Numerical simulations were performed to study the long-distance evolution of irregular waves in deep water. It was observed that some solitons, which are the theoretical solutions of the nonlinear Schrödinger equation, emerged spontaneously as irregular ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dimitrios N. Konispoliatis
The present study explores the performance of an array of cylindrical oscillating water column (OWC) devices, having a vertical symmetry axis, placed in front of a bottom seated, surface piercing, vertical breakwater. The main goal of this study is the i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lars Vabbersgaard Andersen, Thomas Lykke Andersen and Lance Manuel
Monopiles are the most common type of foundation used for bottom-fixed offshore wind turbines. This investigation concerns the influence of uncertainty related to soil?structure interaction models used to represent monopile?soil systems. The system respo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lars Vabbersgaard Andersen, Thomas Lykke Andersen and Lance Manuel
Monopiles are the most common type of foundation used for bottom-fixed offshore wind turbines. This investigation concerns the influence of uncertainty related to soil–structure interaction models used to represent monopile–soil systems. The ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lars Vabbersgaard Andersen, Thomas Lykke Andersen and Lance Manuel
Monopiles are the most common type of foundation used for bottom-fixed offshore wind turbines. This investigation concerns the influence of uncertainty related to soil–structure interaction models used to represent monopile–soil systems. The ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chrisoula Alexandraki, Michael Starakis, Panagiotis Zervas and Rolf Bader
Percussionists use a multitude of objects and materials, mounted on their instruments, to achieve a satisfying sound texture. This is a tedious process as there are no guidelines suggesting how to manipulate a percussion instrument to adjust its perceptu...
ver más
|
|
|
|
|
|
|
|
|
|
|
Michalis Chondros, Anastasios Metallinos, Andreas Papadimitriou, Constantine Memos and Vasiliki Tsoukala
An integrated methodological approach to the development of a coastal flood early-warning system is presented in this paper to improve societal preparedness for coastal flood events. The approach consists of two frameworks, namely the Hindcast Framework ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Dan Zhang, Yinghong Wen, Jinbao Zhang, Jianjun Xiao, Yali Song and Qi Geng
For high-speed train, balise transmission module (BTM) system is easily interfered with by other equipment of the train. This could cause the train to malfunction. Studying the electromagnetic susceptibility (EMS) of the BTM is very important for the per...
ver más
|
|
|
|
|
|
|
|
|
|
|
Chao Sun, Haiyan Wang, Chao Liu and Ye Zhao
The demands for lower Energy Efficiency Operational Index (EEOI) reflect the requirements of international conventions for green shipping. Within this context it is believed that practical solutions for the dynamic optimization of a ship?s main engine an...
ver más
|
|
|
|
|
|
|
|
|
|
|
Inmaculada Gallego Giner, Ana Rivas Alvarez, Santos Sánchez-Cambronero García-Moreno, Julián Lajara Camacho
Pág. 357 - 365
The aim of the paper is to present a numerical model for a ballasted railway track that includes the dynamic effect of a moving train load and predicts the values of the vertical stiffness of the infrastructure. This model is therefore deemed to be a too...
ver más
|
|
|
|
|
|
|
|
|
|
|
Guangyu Wang, Shijie Liu, Haoyang Peng and Weidong Liu
A continuous detonation engine with various exhaust nozzles, analogous to typical scramjet cavity combustors with variable rear-wall heights, was adopted to perform a succession of cylindrical air-breathing continuous rotating detonation experiments fuel...
ver más
|
|
|
|
|
|