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A framework for efficient irregular wave simulations using Higher Order Spectral method coupled with viscous two phase model (CROSBI ID 245436)

Prilog u časopisu | ostalo | međunarodna recenzija

Gatin, Inno ; Vukčević, Vuko ; Jasak, Hrvoje A framework for efficient irregular wave simulations using Higher Order Spectral method coupled with viscous two phase model // Journal of ocean engineering and science, 2 (2017), 253-267. doi: 10.1016/j.joes.2017.09.003

Podaci o odgovornosti

Gatin, Inno ; Vukčević, Vuko ; Jasak, Hrvoje

engleski

A framework for efficient irregular wave simulations using Higher Order Spectral method coupled with viscous two phase model

In this paper a framework for efficient irregular wave simulations using Higher Order Spectral method coupled with fully nonlinear viscous, two-phase Computational Fluid Dynamics (CFD) model is presented. CFD model is based on solution decomposition via Spectral Wave Explicit Navier–Stokes Equation method, allowing efficient coupling with arbitrary potential flow solutions. Higher Order Spectrum is a pseudo-spectral, potential flow method for solving nonlinear free surface boundary conditions up to an arbitrary order of nonlinearity. It is capable of efficient long time nonlinear propagation of arbitrary input wave spectra, which can be used to obtain realistic extreme waves. To facilitate the coupling strategy, Higher Order Spectrum method is implemented in foam-extend alongside the CFD model. Validation of the Higher Order Spectrum method is performed on three test cases including monochromatic and irregular wave fields. Additionally, the coupling between Higher Order Spectrum and CFD is validated on three hour irregular wave propagation. Finally, a simulation of a 3D extreme wave encountering a full scale container ship is shown.

Higher Order Spectral method ; Irregular waves ; Extreme waves ; CFD ; Foam-extend

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Podaci o izdanju

2

2017.

253-267

objavljeno

2468-0133

2468-0133

10.1016/j.joes.2017.09.003

Povezanost rada

Brodogradnja

Poveznice