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Maria Graça Neves, Eric Didier, Moisés Brito and María Clavero
This paper presents a study of run-up/overtopping over a smooth impermeable dike with promenade using 2D and 3D mesh-based and mesh-free numerical models and results from 2D physical modelling for strong energetic incident waves. These waves induce plung...
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Yinquan Yu, Pan Zhao, HuiHwang Goh, Giuseppe Carbone, Shuangxia Niu, Junling Ding, Shengrong Shu and Zhao Zhao
The traditional electromagnetic?thermal bidirectional coupling model (EMTBCM) of permanent magnet synchronous motors (PMSMs) requires a long time to solve, and the temperature-induced torque change is not accounted for in the finite element (FE) numerica...
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Chong Sun, Wei Haur Lam, Ming Dai and Gerard Hamill
Scour induced by a Darrieus-type tidal current turbine was investigated by using a joint numerical and experimental method with emphasis on the scour process of a full-scale turbine. This work proposes a new numerical method to estimate turbine scour dev...
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Zhongchi Liu and C. Guedes Soares
The volume of a gravity cage is greatly reduced under a current due to the flexible structure, which affects the growth and health of the fish. Thus, an accurate assessment of cage volume is essential to determine the number of fishes in the cage. In thi...
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Victor V. Kuzenov, Sergei V. Ryzhkov and Aleksey Yu. Varaksin
This paper provides an overview of modern research on magnetoplasma methods of influencing gas-dynamic and plasma flows. The main physical mechanisms that control the interaction of plasma discharges with gaseous moving media are indicated. The ways of o...
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Yilei Song, Guolin Ma, Linlin Tian, Ning Zhao and Xiyun Lu
Wind is one of the main factors raising errors in the spacecraft?s landing phase. As a result, an accurate description of incoming wind conditions is supposed to be a prerequisite for reliable parafoil trajectory planning. This work utilizes the Weather ...
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Yukui Tian, Dongbao Yang, Xuhao Gang, Chaoge Yu, Shunying Ji and Qianjin Yue
The determination of ice loads on polar vessels and offshore structures is important for ice-resistant design, safe operation, and management of structural integrity in ice-infested waters. Physical model testing carried out in an ice tank/basin is usual...
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Liang Wang, Lei Wang, Mingchao Cui, Mingxiao Liang and Haitian Liu
In the present paper, the mooring system of an offshore aquaculture platform is designed and optimized, applying a shallow water mooring system design methodology which combines the Non-dominated Sorting Genetic Algorithm-II (NSGA-II) and the cable?platf...
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Hany F. Abd-Elhamid, Gamal M. Abdel-Aal, Maha Fahmy, Mohsen Sherif, Martina Zelenáková and Ismail Abd-Elaty
Experimental and numerical models can be used to investigate saltwater intrusion (SWI) in coastal aquifers. Sea level rise (SLR) and decline of freshwater heads due to climate change are the two key variables that may affect saltwater intrusion. This stu...
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Shizhuo Huang, Qian Chen, Yuwei Cheng, Jinyu Xian and Zhengqi Tai
Supersonic combustion is an advanced technology for the next generation of aerospace vehicles. In the last two decades, numerical simulation has been widely used for the investigation on supersonic combustion. In this paper, the modeling and simulation o...
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Hyeok Jin, Kideok Do, Sungwon Shin and Daniel Cox
Coastal dunes are important morphological features for both ecosystems and coastal hazard mitigation. Because understanding and predicting dune erosion phenomena is very important, various numerical models have been developed to improve the accuracy. In ...
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Antigoni Voudouri, Euripides Avgoustoglou, Izthak Carmona, Yoav Levi, Edoardo Bucchignani, Pirmin Kaufmann and Jean-Marie Bettems
The objective calibration method originally performed on regional climate models is applied to a fine horizontal resolution Numerical Weather Prediction (NWP) model over a mainly continental domain covering the Alpine Arc. The method was implemented on t...
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Mehdi Heyrani, Abdolmajid Mohammadian and Ioan Nistor
This study uses a computational fluid dynamics (CFD) approach to simulate flows in Parshall flumes, which are used to measure flowrates in channels. The numerical results are compared with the experimental data, which show that choosing the right turbule...
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Jui-Ching Chou, Hsueh-Tusng Yang and Der-Guey Lin
Soil-liquefaction-related hazards can damage structures or lead to an extensive loss of life and property. Therefore, the stability and safety of structures against soil liquefaction are essential for evaluation in earthquake design. In practice, the sim...
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Miroslaw Seredynski, Michal Wasik, Piotr Lapka, Piotr Furmanski, Lukasz Cieslikiewicz, Karol Pietrak, Michal Kubis, Tomasz S. Wisniewski and Maciej Jaworski
In the proposed paper, non-equilibrium and equilibrium models of heat and moisture transfer through wet building materials are presented and compared. In the former, the mass transfer between liquid and gaseous moisture results from the difference betwee...
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Sebastian Plamowski and Richard W Kephart
The paper addresses issues associated with implementing GPC controllers in systems with multiple input signals. Depending on the method of identification, the resulting models may be of a high order and when applied to a control/regulation law, may resul...
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Marek Nawalany, Grzegorz Sinicyn, Maria Grodzka-Lukaszewska and Dorota Miroslaw-Swiatek
Modelling of water flow in the hyporheic zone and calculations of water exchange between groundwater and surface waters are important issues in modern environmental research. The article presents the Analytical Hyporheic Flux approach (AHF) permitting ca...
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Augusto Silva da Silva, Phelype Haron Oleinik, Eduardo de Paula Kirinus, Juliana Costi, Ricardo Cardoso Guimarães, Ana Pavlovic and Wiliam Correa Marques
Computational modeling has become a prominent tool to simulate physical processes for research and development projects. The coastal region of southern Brazil is very susceptible to oil spill accidents. Currently, oil is intensively transported in the re...
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Guang Li, Fengshan Ma, Gang Liu, Haijun Zhao and Jie Guo
During the construction of underground caverns, the stability of deep underground cavern excavation, which affects the safety and sustainable development of such projects, is a hot issue. First, based on the mechanical properties of surrounding rock in d...
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Wanting Zhou, Yue Jiang, Shi Liu, Qing Zhao, Teng Long and Zhixiong Li
Multiphase flow in annular channels is complex, particularly in the region where the flow direction abruptly changes between the inner pipe and the outer pipe, as the cases in horizontal drilling and pneumatic conveying. Simplified models and experience ...
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