Titlebook: MARINE 2011, IV International Conference on Computational Methods in Marine Engineering; Selected Papers Luís E?a,Eugenio O?ate,P?l Bergan

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Shape-Newton Method for Isogeometric Discretizations of Free-Boundary Problemsing Hadamard shape derivatives to a suitable weak formulation of the free-boundary problem. At each Newton iteration, an updated free boundary position is obtained by solving a boundary-value problem at the current approximate domain. Since the boundary-value problem has a curvature-dependent bounda

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Enabling Computational Methods for Offshore Wind Turbines fluid–structure interaction that enable high-fidelity simulations of offshore wind turbines. Computational examples involving free-surface flow and full-scale wind turbine simulations are presented to illustrate the capabilities of the computational techniques developed.

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Advances in the Development of a Time-Domain Unstructured Finite Element Method for the Analysis of ams used in the industry work in the frequency domain. Therefore, the main objective of this work is the development a time domain solver based on the finite element method capable of solving wave-structure interaction problems using unstructured meshes. We found good agreement between the numerical

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The Variation in Wake Structure of a Tidal Stream Turbine with Flow Velocityting nacelle and tower structure in a 700 m long rectangular channel. The modelling approach is computationally efficient and is suitable for capturing the time-averaged influence of the turbine on the flow. A range of simulations are conducted for the purpose of undertaking a comparative study of t

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Computational Investigation of Non-body-of-Revolution Hull Form Maneuvering Characteristics non-body-of-revolution (Non-BOR) hull forms are not nearly as well understood. A?computational investigation on the maneuvering capability for two Non-BOR hull forms (Single and Twin Tail stern configurations) and an equivalent BOR hull form is completed, and compared to prior experimental tests. I

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Numerical Prediction of Erosive Collapse Events in Unsteady Compressible Cavitating Flowsrpose, physical criteria are derived that detect and quantify relevant flow phenomena. In particular, we present a numerical approach for tracing isolated collapses of vapor clouds during the numerical simulation of the flow. The suggested “collapse detector” provides the frequency of collapses, the

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Numerical and Experimental Investigation into Propulsion and Cavitation Performance of Marine Propelaption of the 3 equations turbulence model for the non-cavitating flow and tip vortex resolution on cavitating flow. This research finds 3 equations turbulence model is effective for prediction of the propeller open characteristics in the wide range of Reynolds number. Next, numerical simulation of