Journal of Ocean Engineering and Marine Energy

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Foreword to special issue in Ship Hydrodynamics
Journal of Ocean Engineering and Marine Energy - Tập 8 - Trang 469-469 - 2022
Ignazio Maria Viola
Numerical analysis and model tests of a three-module VLFS deployed near islands and reefs
Journal of Ocean Engineering and Marine Energy - Tập 4 - Trang 111-122 - 2018
You-sheng Wu, Jun Ding, Chao Tian, Zhi-wei Li, Hong-jie Ling, Xiao-zhou Ma, Jun-liang Gao
A direct coupled method is established on the basis of the Boussinesq equations and Rankine source method to analyze the responses of floating bodies near islands and reefs. The detailed theoretical derivation, numerical solution method and the relevant calculation program THAFTS-BR are also completed. Then, the motions and connector loads of a three-module VLFS deployed near islands and reefs are...... hiện toàn bộ
Wave energy conversion using a small tubular free-floating device
Journal of Ocean Engineering and Marine Energy - - Trang 1-13 - 2023
Umesh A. Korde, L. Andrew Gish, Giorgio Bacelli, Ryan G. Coe
Wave energy devices traditionally tend to be large, as their sizes are often determined by power conversion targets and their operating wave climates. Here we examine a size-constrained device designed to fit within narrow tubes, and using well-known analysis techniques show that converted power amounts may be large enough to meet or exceed the needs of instrumentation to serve a majority of ocean...... hiện toàn bộ
Modelling 3D dynamics of offshore lattice jib cranes by means of the rigid finite element method
Journal of Ocean Engineering and Marine Energy - Tập 9 - Trang 495-513 - 2023
Adamiec-Wójcik Iwona, Brzozowska Lucyna, Drąg Łukasz, Metelski Marek, Wojciech Stanisław
Offshore cranes require particularly careful design due to the difficult environmental conditions in which they work. This paper presents a 3D model of the dynamics of an offshore crane with a truss jib formulated by means of the rigid finite element method. The inertial features of the truss members are assigned to nodes whose rotational and translational displacements are degrees of freedom. Fle...... hiện toàn bộ
High-resolution modeling of the Kuroshio current power south of Japan
Journal of Ocean Engineering and Marine Energy - Tập 4 - Trang 37-55 - 2017
Tianran Liu, Bin Wang, Naoki Hirose, Toru Yamashiro, Hiroshi Yamada
Ocean current power near the Japanese coast was estimated using a high-resolution, three-dimensional ocean model. Two experiments were conducted to distinguish the impact of the Kuroshio large meander. The simulation results were validated by comparison with measurements. To choose the proper site for ocean current power generation experiment, we quantitatively analyzed the variation of the curren...... hiện toàn bộ
ISPH modelling for hydrodynamic applications using a new MPI-based parallel approach
Journal of Ocean Engineering and Marine Energy - Tập 3 - Trang 35-50 - 2016
Shahab Yeylaghi, Belaid Moa, Peter Oshkai, Bradley Buckham, Curran Crawford
This paper presents a novel parallel design for Smoothed Particle Hydrodynamics. The Message Passing Interface (MPI), standard for distributed memory programming, is used to parallelize the code as a necessary precursor to future multi–GPU implementation. In the proposed parallelization scheme, the domain decomposition is performed based on both spatial and particle decompositions to reach efficie...... hiện toàn bộ
Erik Vanem: Bayesian hierarchical space-time models with application to significant wave height
Journal of Ocean Engineering and Marine Energy - Tập 1 - Trang 337-338 - 2015
George Z. Forristall
Hysterical effects in flow structure behind a finite array of cylinders under gradually varying unsteady flow conditions
Journal of Ocean Engineering and Marine Energy - - 2022
Eryilmaz Erdog, Oral Yagci, V. S. Ozgur Kirca
Recent investigations revealed that a group of cylinders offer more advantages than mono-pile when applied as a foundation for offshore wind turbines or pile-supported structures. In this context, the influence of gradually varying unsteady flow around a group of cylinder (Hexagonal arrays of circular cylinders, HACCs) was investigated by flume experiments. Reproducible gradually varying flow cond...... hiện toàn bộ
On motion analysis and elastic response of floating offshore wind turbines
Journal of Ocean Engineering and Marine Energy - Tập 6 - Trang 71-90 - 2020
Azin Lamei, Masoud Hayatdavoodi
Wind energy industry is expanded to offshore and deep water sites, primarily due to the stronger and more consistent wind fields. Floating offshore wind turbine (FOWT) concepts involve new engineering and scientific challenges. A combination of waves, current, and wind loads impact the structures. Often under extreme cases, and sometimes in operational conditions, magnitudes of these loads are com...... hiện toàn bộ
Effect of aspect ratio on hydrokinetic energy harnessing using cylinders in VIV
Journal of Ocean Engineering and Marine Energy - Tập 8 - Trang 217-232 - 2022
Aytekin Duranay, Omer Kemal Kinaci, Michael M. Bernitsas
Smooth, rigid, circular cylinders on elastic support in flow perpendicular to their axis undergo vortex-induced vibrations (VIV) over a broad range of velocities. VIV converts hydrokinetic energy to mechanical in the oscillating cylinder. Tip-flow introduces three dimensional effects reducing the effective length of the cylinder which provides the transverse lift force to induce oscillations and c...... hiện toàn bộ
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