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- Rudy Magne, Kostas Belibassakis, T. H. C. Herbers, Fabrice Ardhuin, W. C. O’Reilly
- 2007

The effects of a submarine canyon on the propagation of ocean surface waves are examined with a three-dimensional coupled-mode model for wave propagation over steep topography. Whereas the classical geometrical optics approximation predicts an abrupt transition from complete transmission at small incidence angles to no transmission at large angles, the full… (More)

- Costas Politis, Alexandros I. Ginnis, Panagiotis D. Kaklis, Kostas Belibassakis, Christian Feurer
- Symposium on Solid and Physical Modeling
- 2009

In this paper, the isogeometric concept introduced by Hughes, in the context of Finite Element Method, is applied to Boundary Element Method (BEM), for solving an exterior planar Neumann problem. The developed isogeometric-BEM concept is based on NURBS, for representing the exact body geometry and employs the same basis for representing the potential and/or… (More)

The generalized Langrangian mean theory provides exact equations for general wave-turbulence-mean flow interactions in three dimensions. For practical applications, these equations must be closed by specifying the wave forcing terms. Here an approximate closure is obtained under the hypotheses of small surface slope, weak horizontal gradients of the water… (More)

- Steve Barstow, Gunnar Mørk, +7 authors Gerard Spaan
- 2003

In the absence of long term wave data collected at a site of interest, the calculation of reliable wave statistics at a coastal site requires various data sets to be assembled, including temporal long term representative directional wave data offshore of the site, in addition to bathymetric and coastline data. Further, a suitable wave model, capable of… (More)

In this paper, the Isogeometric Analysis (IGA) concept is combined with the Boundary Element Method (BEM) for solving the exterior Neumann problem associated with the steady lifting flow around a hydrofoil. The formulation of the problem is based on a Boundary Integral Equation for the associated velocity potential combined with the null-pressure jump Kutta… (More)

- A.-A.I GINNIS, Régis Duvigneau, Costas Politis, Konstantinos V. Kostas, Kostas Belibassakis
- 2013

Due to an increasing demand for efficiency and robustness in Computer Aided Ship Design (CASD), the available modelling, analysis and evaluation techniques are being continuously pushed forward so that they can provide measurable improvements for both the design process and the resulting product. Fortunately, the current availability of computing power has… (More)

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