Open Journal of Fluid Dynamics

Volume 13, Issue 1 (March 2023)

ISSN Print: 2165-3852   ISSN Online: 2165-3860

Google-based Impact Factor: 0.63  Citations  h5-index & Ranking

Linear and Nonlinear Stokes Waves Theory: Numerical Hydrodynamic and Energy Studies

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DOI: 10.4236/ojfd.2023.131005    134 Downloads   816 Views  


The increase of wave energy in electricity production is an objective shared by many countries to meet growing demand and global warming. To analyze devices capable of converting the energy of sea waves into electrical energy, it is important to master the various theories of gravity waves and generation. We will in our work consider a numerical waves tank for an amplitude A=0.5, a wavelength

λ=0.25 , an average height He=10 and a Froude number fixed at 1 × 105. Numerical wave channel analysis is used to reproduce the natural phenomenon of wave propagation in an experimental model. Wave makers are usually used to generate waves in the channel. In theory, the influence of an incident wave can be considered, as in the case of our study. In this study, the evolution of the hydrodynamic parameters and the energy transported in one wavelength can be determined by calculation. A change of variable will be done in this work to facilitate the writing of the boundary conditions at the free surface and at the bottom. The nonlinear Stokes theory will be studied in this case in order to provide hydrodynamic solutions through the Navier-Stokes equations to finally deduce the energetic results. To do this, the finite difference method will be used for the hydrodynamic results such as the velocity potential and the free surface elevation and the trapezium method of Newton for the energetic results. Thus, we will determine the energetic potential according to the decrease in the slope of the tank. To do this, we will take as values of beta representing the inverse of the slope of the tank, β=100, β=105, β=110 and β=105.

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Ndiaye, A. , Diop, F. , Dia, S. and Mbow, C. (2023) Linear and Nonlinear Stokes Waves Theory: Numerical Hydrodynamic and Energy Studies. Open Journal of Fluid Dynamics, 13, 61-79. doi: 10.4236/ojfd.2023.131005.

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