A fully nonlinear domain decomposed solver is proposed for efficient computations of wave loads on surface piercing structures in the time domain. A fully nonlinear potential flow solver was combined with a fully nonlinear Navier-Stokes/VOF solver via generalized coupling zones of arbitrary shape. Sensitivity tests of the extent of the inner Navier-Stokes/VOF domain were carried out. Numerical computations of wave loads on surface piercing circular cylinders at intermediate water depths are presented. Four different test cases of increasing complexity were considered; 1) weakly nonlinear regular waves on a sloping bed, 2) phase-focused irregular waves on a flat bed, 3) irregular waves on a sloping bed and 4) multidirectional irregular waves on a sloping bed. For all cases, the free surface elevation and the inline force were successfully compared against experimental measurements. © 2014 Elsevier B.V.
CITATION STYLE
Paulsen, B. T., Bredmose, H., & Bingham, H. B. (2014). An efficient domain decomposition strategy for wave loads on surface piercing circular cylinders. Coastal Engineering, 86, 57–76. https://doi.org/10.1016/j.coastaleng.2014.01.006
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