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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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Jiayi Peng, Zhenzhong Shen, Wenbing Zhang and Wen Song
Permeability characteristics in coarse-grained soil is pivotal for enhancing the understanding of its seepage behavior and effectively managing it, directly impacting the design, construction, and operational safety of embankment dams. Furthermore, these...
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Moisés Brito, Francisco Bernardo, Maria G. Neves, Diogo R. C. B. Neves, Alejandro J. C. Crespo and José M. Domínguez
A 2D numerical investigation of the power absorption of a constrained wave energy hyperbaric converter (WEHC) under full-scale sea wave conditions is presented. A fully non-linear numerical model DualSPHysics, based on the coupling of a smoothed particle...
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Dimitrios N. Konispoliatis, Ioannis K. Chatjigeorgiou and Spyros A. Mavrakos
In this study, the problems of diffraction and radiation of water waves by a permeable vertical cylindrical body are formulated within the realm of the linear potential theory. The body, which is floating in constant water depth, is moored with a catenar...
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Imanol Touzon, Vincenzo Nava, Borja de Miguel and Victor Petuya
This paper analyses the numerical outcome of applying three different well-known mooring design approaches to a floating wave energy converter, moored by means of four catenary lines. The approaches include: a linearized frequency domain based on a quasi...
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Giuseppe Giorgi, Josh Davidson, Giuseppe Habib, Giovanni Bracco, Giuliana Mattiazzo and Tamás Kalmár-Nagy
Mathematical models are essential for the design and control of offshore systems, to simulate the fluid?structure interactions and predict the motions and the structural loads. In the development and derivation of the models, simplifying assumptions are ...
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Florin Pacuraru, Leonard Domnisoru and Sandita Pacuraru
The main transport channel of the global economy is represented by shipping. Engineers and hull designers are more preoccupied in ensuring fleet safety, the proper operation of the ships, and, more recently, compliance with International Maritime Organiz...
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Hoyoung Jeong, Seungbeom Choi, Sudeuk Lee and Seokwon Jeon
Various numerical methods have been used to simulate the rock cutting process. Numerical simulation is a useful tool for estimating the performance of a cutting tool and for understanding the mechanism of rock cutting and interaction between a cutting to...
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Alexa Latapy, Arnaud Héquette, Nicolas Pouvreau, Nicolas Weber and Jean-Baptiste Robin-Chanteloup
Tidal sand banks are common along the coast of northern France facing the North Sea, where they form linear shore-parallel or slightly oblique sand bodies from shallow coastal areas to depths of tens of meters. Hydrographic surveys have been carried out ...
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Liang Li, Bin Zhou, Dengcheng Liu and Chao Wang
The numerical calculation was performed for the KRISO Container Ship (KCS) hull-propeller-rudder system with different freedom hull motion by employing the Reynolds-Averaged Navier-Stokes (RANS) method and adopting the overset grid. Firstly, the numerica...
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