Abstract

A FORTRAN code for numerical evaluation of nonlinear gravity waves based on an established theory is given. For strongly nonlinear waves, an incremental-cumiterative approach has been implemented in the context of Newton-Raphson method applied to a large set of coupled nonlinear equations. The features of the scheme are studied. Several examples are presented to bring out the accuracy of the numerical scheme. The code is interactive and its routines can easily be integrated with any other program.

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