Asynchronous numerical scheme for modeling microwave/plasma couplings

Dr. Ronan Perrussel, Université de Toulouse

15 Feb 2016, 16:15–17:45; Location: S2|17-103

We present an asynchronous method for the explicit integration of multiscale partial differential equations with a particular focus on microwave-plasma interactions. This method is restricted by a local CFL condition rather than the traditional global CFL condition. Moreover, contrary to other local time-stepping (LTS) methods, the asynchronous algorithm permits the selection of independent time steps in each mesh element. After the first developments of a scheme of the lowest order in time, we derived an asynchronous Runge-Kutta 2 (ARK2) scheme from a standard explicit Runge-Kutta method.

Category: CE Seminar


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