3D SIMULATION OF WAVE INTERACTION WITH PERMEABLE STRUCTURES

Autor: M.J.A. Borsboom, M. R. A. Van Gent, Peter R. Wellens
Rok vydání: 2011
Předmět:
Zdroj: Coastal Engineering Proceedings. 1:28
ISSN: 2156-1028
0589-087X
DOI: 10.9753/icce.v32.structures.28
Popis: COMFLOW is a general 3D free-surface flow solver. The main objective in this paper is to extend the solver with a permeable flow model to simulate wave interaction with rubble-mound breakwaters. The extended Navier-Stokes equations for permeable flow are presented and we show the discretization of these equations as they are implemented in COMFLOW. An analytical solution for the reflection coefficient of a permeable structure is derived and the numerical model is compared to the solution. In addition, a validation study has been performed, in which we compare the numerical results with an experiment. In the experiment, pressures and surface elevations are measured inside a permeable structure. The measurements are represented well by the simulation results. At the end, a 3D application of the model is shown.
Databáze: OpenAIRE