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Aichun Feng, Hooi Siang Kang, Binbin Zhao and Zhiyu Jiang
A coupled floating body-mooring line model is developed by combining a boundary element model for a two-dimensional floating body and a catenary mooring line model. The boundary element model is formulated in the time domain by a continuous Rankine sourc...
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De Zhi Ning, Xuan Lie Zhao, Li Fen Chen and Ming Zhao
The cost of wave energy converters (WECs) can be reduced significantly by integrating WECs into other marine facilities, especially in sea areas with a mild wave climate. To reduce the cost and increase the efficiency, a hybrid WEC system, comprising a l...
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Tianlong Mei, Maxim Candries, Evert Lataire and Zaojian Zou
In this paper, an improved potential flow model is proposed for the hydrodynamic analysis of ships advancing in waves. A desingularized Rankine panel method, which has been improved with the added effect of nonlinear steady wave-making (NSWM) flow in fre...
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Julian Schirra, William Bissonnette and Götz Bramesfeld
For staggered boxwings the predictions of induced drag that rely on common potential-flow methods can be of limited accuracy. For example, linear, freestream-fixed wake models cannot resolve effects related to wake deflection and roll-up, which can have ...
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Julian Schirra, William Bissonnette and Götz Bramesfeld
For staggered boxwings the predictions of induced drag that rely on common potential-flow methods can be of limited accuracy. For example, linear, freestream-fixed wake models cannot resolve effects related to wake deflection and roll-up, which can have ...
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Tahsin Tezdogan, Atilla Incecik, Osman Turan, Paula Kellett
Pág. 1659 - 1668
The slow steaming approach is increasing in popularity for commercial vessels, as it provides a method of reducing fuel use, and therefore operating costs, in the current economic climate. It is very important to be able to evaluate a ship's response to ...
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Bingbing Wan, Yuyun Shi and Zhifu Li
The interaction problem of waves with a body floating near the marginal ice zone is studied, where the marginal ice zone is modeled as an array of multiple uniformly sized floating ice sheets. The linear velocity potential theory is applied for fluid flo...
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Yuan Zhang, Xuanyu Chen, Peng Xu, Xizeng Zhao, Ould el Moctar and Changqing Jiang
The development and utilization of wave energy, heralded as a potential leading source of clean energy worldwide, have garnered considerable attention from the global research community. Among the diverse array of wave energy converters (WECs), the raft-...
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Fabian Wendt, Kim Nielsen, Yi-Hsiang Yu, Harry Bingham, Claes Eskilsson, Morten Kramer, Aurélien Babarit, Tim Bunnik, Ronan Costello, Sarah Crowley, Benjamin Gendron, Giuseppe Giorgi, Simone Giorgi, Samuel Girardin, Deborah Greaves, Pilar Heras, Johan Hoffman, Ha?zul Islam, Ken-Robert Jakobsen, Carl-Erik Janson, Johan Jansson, Hyun Yul Kim, Jeong-Seok Kim, Kyong-Hwan Kim, Adi Kurniawan, Massimiliano Leoni, Thomas Mathai, Bo-Woo Nam, Sewan Park, Krishnakumar Rajagopalan, Edward Ransley, Robert Read, John V. Ringwood, José Miguel Rodrigues, Benjamin Rosenthal, André Roy, Kelley Ruehl, Paul Scho?eld, Wanan Sheng, Abolfazl Shiri, Sarah Thomas, Imanol Touzon and Imai Yasutakaadd Show full author list remove Hide full author list
The International Energy Agency Technology Collaboration Programme for Ocean Energy Systems (OES) initiated the OES Wave Energy Conversion Modelling Task, which focused on the verification and validation of numerical models for simulating wave energy con...
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SallyRose Anderson, Ross Ogle, Glenn Tootle and Abdoul Oubeidillah
This study reports the preliminary results from a statistical screening of tree-ring width records from the International Tree-Ring Data Bank (ITRDB), to evaluate the strength of the hydrological signal, in dendrochronological records from the Tennessee ...
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Konstantin Shishmarev, Tatyana Sibiryakova, Kristina Naydenova and Tatyana Khabakhpasheva
The problem of periodic oscillations of a dipole, specifically its strength, along the principal axes in a three-dimensional frozen channel is considered. The key points of the problem are taking into account the linear thickness of ice across the channe...
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Fuyin Cui, Shuling Chen, Hongbin Hao, Changzhi Han, Ruidong Ni and Yueyue Zhuo
To address the unstable motion of a tension leg platform (TLP) for floating wind turbines in various sea conditions, an improved method of incorporating a tuned liquid multi-column damper (TLMCD) into the TLP foundation is proposed. In order to evaluate ...
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Anargyros S. Mavrakos, Dimitrios N. Konispoliatis and Spyridon A. Mavrakos
The present contribution aims at presenting a semi-analytical solution methodology of the linear hydrodynamic diffraction and radiation problems induced by two coaxial moonpool-type floaters subjected to incident waves. The flow field around the floaters...
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Xinyue Lan, Liyue Wang, Cong Wang, Gang Sun, Jinzhang Feng and Miao Zhang
In this research, we introduce a deep-learning-based framework designed for the prediction of transonic flow through a linear cascade utilizing large-scale point-cloud data. In our experimental cases, the predictions demonstrate a nearly four-fold speed ...
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Amir Abdullaev, Alexander Kotvitskii, Ivan Moralev and Maxim Ustinov
Cancellation of the cross-flow vortices in a swept-wing boundary layer is attempted by plasma actuator array in numerical simulation. The response of the boundary layer to the stationary excitation by a single actuator section is measured experimentally ...
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Cheng-Tsung Chen, Jaw-Fang Lee, Hubert Chanson, Kuei-Ting Lin and Chun-Jih Lin
In this study, the problem of surface waves induced by water flow in a flow channel was investigated. The mathematical model based on the potential wave theory was established, and a new analytic solution to the corresponding initial and boundary value p...
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Marco Berci
Enhanced approximate expressions for the incipient indicial lift of thin wings in subsonic potential flow are presented in this study, featuring explicit analytical corrections for the unsteady downwash. Lifting-line and acoustic-wave theories form the b...
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Alana Pols, Eric Gubesch, Nagi Abdussamie, Irene Penesis and Christopher Chin
This investigation focuses on the modelling of a floating oscillating water column (FOWC) wave energy converter with a numerical code (ANSYS AQWA) based on potential flow theory. Free-floating motions predicted by the numerical model were validated again...
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Josh Davidson and Ronan Costello
This review focuses on the most suitable form of hydrodynamic modeling for the next generation wave energy converter (WEC) design tools. To design and optimize a WEC, it is estimated that several million hours of operation must be simulated, perhaps one ...
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Yun Cheng, Daochun Li, Jinwu Xiang and Andrea Da Ronch
Energy harvesting from aeroelastic response tends to have a wide application prospect, especially for small-scale unmanned aerial vehicles. Gusts encountered in flight can be treated as a potential source for sustainable energy supply. The plate model is...
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