Author(s)

W. Parsons & R.E. Baddour

Abstract

A numerical wave tank for the generation and propagation of bichromatic, nonlinear, longcrested surface waves W. ~arsons' & R.E. add our^ 1 NSERC Visiting Fellow at National Research Council- Canada, Institute for Marine Dynamics, Canada 2 National Research Council - Canada, Institute for Marine Dynamics, Canada Abstract We are studying numerically the problem of generation and propagation of bichromatic gravity long-crested waves in a tank containing an incompressible inviscid homogeneous fluid initially at rest with a horizontal free surface of finite extent and of infinite and finite depths. A non-othogonal curvilinear coordinate system, which follows the free surface is constructed and the full nonlinear kinematic and dynamic free surface boundary conditions are utilized in the algorithm. 1 Introduction A two-dimensional rectangular basin containing an incompressible inviscid homogeneous fluid initially at rest with a horizontal free surface of finite extent is considered to generate an

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