Continuation of travelling-wave solutions of the Navier-Stokes equations
نویسندگان
چکیده
An e cient way of obtaining travelling waves in a periodic uid system is described and tested. We search for steady states in a reference frame travelling at the wave phase velocity using a rst-order pseudospectral semi-implicit time scheme adapted to carry out the Newton’s iterations. The method is compared to a standard Newton–Raphson solver and is shown to be highly e cient in performing this task, even when high-resolution grids are used. This method is well suited to three-dimensional calculations in cylindrical or spherical geometries. Copyright ? 2006 John Wiley & Sons, Ltd.
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