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Hossam S. Abdelwahab, Shan Wang, Josko Parunov and C. Guedes Soares
A new uncertainty quantifier is presented for linear transfer functions of wave-induced ship motions and loads obtained by various seakeeping codes. The numerical simulations are conducted for the high-speed Flokstra container ship in regular waves at va...
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Tamara Petranovic, Antonio Mikulic, Marko Katalinic, Maro Corak and Jo?ko Parunov
The method for the prediction of extreme vertical wave bending moments on a passenger ship based on the hindcast database along the shipping route is presented. Operability analysis is performed to identify sea states when the ship is not able to normall...
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Jiawang Liu and Bin Teng
The ?ringing? response of a monopile foundation to focused wave groups was investigated in this study. Such responses are of practical interest in the context of offshore wind turbine foundations. Moderately steep transient focused wave groups were gener...
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Sara Mizar Formentin
Due to the effects of climate change on the sea levels and on the frequency and intensity of extreme weather events, many coastal defense structures are expected to be exposed to increased loads with respect to their design conditions in the near future ...
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Jacob Andersen, Rune Abrahamsen, Thomas Lykke Andersen, Morten Thøtt Andersen, Torben Ladegaard Baun and Jesper Lykkegaard Neubauer
The design of large diameter monopiles (8?10 m) at intermediate to deep waters is largely driven by the fatigue limit state and mainly due to wave loads. The scope of the present paper is to assess the mitigation of wave loads on a monopile by perforatio...
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Vincent Gruwez, Corrado Altomare, Tomohiro Suzuki, Maximilian Streicher, Lorenzo Cappietti, Andreas Kortenhaus and Peter Troch
In this paper, a Reynolds-averaged Navier?Stokes (RANS) equations solver, interFoam of OpenFOAM®, is validated for wave interactions with a dike, including a promenade and vertical wall, on a shallow foreshore. Such a coastal defence system is comprised ...
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Giuseppina Palma, Sara Mizar Formentin, Barbara Zanuttigh, Pasquale Contestabile and Diego Vicinanza
OBREC is the acronym that stands for Overtopping Breakwater for Energy Conversion. It is a multifunctional device aimed to produce energy from the waves, while keeping the harbour area protected from flooding. In this paper, the inclusions of a berm to r...
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Junliang Gao, Shukai Gong, Zhiwei He, Huabin Shi, Jun Zang, Tao Zou and Xu Bai
Fluid resonance may occur in a narrow gap between two side-by-side vessels under wave actions, which can cause significant wave height amplification inside the gap and further induce large wave loads and motion responses of the vessel. Based on an open-s...
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Jiaqi Liu and Masoud Hayatdavoodi
The impact of waves and bores generated by broken solitary waves on horizontal decks of coastal structures was studied by solving the Navier?Stokes equations. Solitary waves of different amplitudes were considered, and submerged ramps were used to bring ...
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Sijia Deng, Ming Qin, Dezhi Ning, Lin Lin, Songxiong Wu and Chongwei Zhang
Monopiles are commonly utilized in offshore wind farms but are prone to non-linear wave loads and run-ups, significantly affecting their engineering design. Therefore, it is crucial to pursue a complete understanding of the non-linear wave action on mono...
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Chengzhe Zhang, Weiyi Zhang, Hao Qin, Yunwu Han, Enjin Zhao, Lin Mu and Haoran Zhang
In recent decades, freak waves, characterized by their unusual high amplitude, sharp crest, and concentrated energy, have attracted researchers? attention due to their potential threat to marine structures. Green-water loads caused by freak waves can be ...
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Pengfei Liu, Daimeng Shang, Qiang Liu, Zhihong Yi and Kai Wei
Offshore steel trestles (OSTs) are exposed to severe marine environments with stochastic wave and current loads, making structural safety assessment challenging and difficult. Reliability analysis is a suitable way to consider both wave and current loadi...
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Ying Li, Yu Zhang, Wenhua Wang, Xin Li and Bin Wang
The decrease in structural capacities under the limit states caused by structural corrosion is a potential hazard for the safety of offshore structures. Considering the influence of corrosion factors, a fatigue analysis of the typical tubular joints of a...
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Xu Zhang, Wenchi Ni and Liping Sun
In this paper, fatigue analysis of oil offloading lines (OOLs) in the floating production storage and offloading (FPSO) catenary anchor leg mooring (CALM) buoy offloading system under wave and current loads in the West Africa Sea area is carried out by t...
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Michael Thome, Ould el Moctar and Thomas E. Schellin
Comparative hydrodynamic loads caused by a focused wave acting on differently sized slender vertical cylinders placed in a wave canal were predicted at model scale using an unsteady Reynolds-averaged Navier?Stokes (URANS) solver and the Morison equation....
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Jens Ley and Ould el Moctar
Ship hull structural damages are often caused by extreme wave-induced loads. Reliable load predictions are required to minimize the risk of structural failures. One conceivable approach relies on direct computations of extreme events with appropriate num...
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Tao Xiang and Denis Istrati
Given the documented wave-induced damage of elevated coastal decks during extreme natural hazards (e.g., hurricanes) in the last two decades, it is of utmost significance to decipher the wave-structure-interaction of complex deck geometries and quantify ...
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Wei Lin, Cheng Su and Youhong Tang
This paper is devoted to the random vibration analysis of jacket platforms under wave loads using the explicit time-domain approach. The Morison equation is first used to obtain the nonlinear random wave loads, which are discretized into random loading v...
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Carl Trygve Stansberg
In design storm sea states, wave-in-deck forces need to be analysed for fixed and floating offshore platforms. Due to the complex physics of wave impact phenomena, numerical analyses should be complemented by model test data. With a large statistical var...
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Jialong Jiao and Songxing Huang
Accurate prediction of ship seakeeping performance in complex ocean environment is a fundamental requirement for ship design and actual operation in seaways. In this paper, an unsteady Reynolds-averaged Navier?Stokes (RANS) computational fluid dynamics (...
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