Abstract
Simulation with computational fluid dynamics methods is a reliable and important tool for researchers and industry. The present thesis refers to the study of propagation of incident waves nearshore using the open-source software OpenFOAM. Specifically using waves2Foam toolbox and the relaxation zone method, it is possible to make wave generation and absorption zones to simulate a numerical wave tank. At first the linear and non-linear wave theory is referred, as well as the phenomena which are observed when water waves interact with shoaling effects until the surf zone. Subsequently, the basic equations of conservation and their discretization with the Finite Volume Method -FVM are analyzed. Also, the basic processes that must be done for the definition of the numerical wave tank in OpenFOAM are described. In this context, a sensitivity analysis on the parameters of the relaxation zone is performed to find the most efficient application. The numerical experiments, in this thesis, aimed at simulating wave propagation over a submerged shelf of different geometries and the modelling of wave breaking on a slopping beach.
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