Repository: Freie Universit├Ąt Berlin, Math Department

Explicit Two-Step Peer Methods for the Compressible Euler Equations

Jebens, S. and Knoth, O. and Weiner, R. (2009) Explicit Two-Step Peer Methods for the Compressible Euler Equations. Monthly Weather Review, 137 (7). pp. 2380-2392.

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A new time-splitting method for the integration of the compressible Euler equations is presented. It is based on a two-step peer method which is a general linear method with second-order accuracy in every stage. The scheme uses a computationally very efficient forward-backward scheme for the integration of the high-frequency acoustic modes. With this splitting approach it is possible to integrate stably the compressible Euler equations without any artificial damping. The peer method is tested with the dry Euler equations and a comparison with the common split-explicit second-order three-stage Runge-Kutta method by Wicker and Skamarock shows the potential of the class of peer methods with respect to computational efficiency, stability and accuracy.

Item Type:Article
Subjects:Mathematical and Computer Sciences > Mathematics > Applied Mathematics
ID Code:702
Deposited By: Ulrike Eickers
Deposited On:10 Aug 2009 12:31
Last Modified:23 Aug 2009 09:01

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