Numerical Simulation of the Submarine Pipeline under Wave Action

TLDR: In this paper, a two-dimensional viscous numerical wave flume is established, where the Navier-Stokes equations are discretized by Finite Difference Method (FDM) and the turbulence is considered by using the standard k- e turbulence model.

Abstract: A two-dimensional viscous numerical wave flume is established in this study. The Navier-Stokes equations are discretized by Finite Difference Method (FDM). The turbulence is considered by using the standard k- e turbulence model. Volume of Fluid (VOF) method is adopted to capture the free surface of water wave. A virtual inclined porous structure is devised to absorb the wave energy near the end of computational domain. The numerical wave flume was validated by the comparisons with analytical result. Based on the numerical wave flume, the wave field around submarine pipeline was simulated and the numerical results were compared with experimental data. The comparison results show that the present numerical model works well. The maximum horizontal wave force and vertical wave force increase with the wave height.