Abstract
Simulation of solitary wave run-up on a vertical circular cylinder is carried out in a viscous numerical wave tank developed based on the open source codes OpenFOAM. An incompressible two-phase flow solver naoe-FOAM-SJTU is used to solve the Reynolds-Averaged Navier-Stokes (RANS) equations with the SST k-ω turbulence model. The PISO algorithm is utilized for the pressure-velocity coupling. The air-water interface is captured via Volume of Fluid (VOF) technique. The present numerical model is validated by simulating the solitary wave run-up and reflected against a vertical wall, and solitary wave run-up on a vertical circular cylinder. Comparisons between numerical results and available experimental data show satisfactory agreement. Furthermore, simulations are carried out to study the solitary wave run-up on the cylinder with different incident wave height H and different cylinder radius a. The relationships of the wave run-up height with the incident wave height H, cylinder radius a are analyzed. The evolutions of the scattering free surface and vortex shedding are also presented to give a better understanding of the process of nonlinear wave-cylinder interaction.
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This work was financially supported by the National Natural Science Foundation of China (Grant Nos. 51379125, 51411130131, and 11432009), Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning (Grant No. 2013022), and the National Basic Research Program of China (973 Program, Grant No. 2013CB036103).
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Cao, Hj., Wan, Dc. RANS-VOF solver for solitary wave run-up on a circular cylinder. China Ocean Eng 29, 183–196 (2015). https://doi.org/10.1007/s13344-015-0014-2
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DOI: https://doi.org/10.1007/s13344-015-0014-2