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@@ -0,0 +1,19 @@ +CVS info : $Header$ + +Cactus Code Thorn Dissipation +Thorn Author(s) : Erik Schnetter <schnetter@aei.mpg.de> +Thorn Maintainer(s) : Erik Schnetter <schnetter@aei.mpg.de> +-------------------------------------------------------------------------- + +Purpose of the thorn: + +Add fourth order Kreiss-Oliger dissipation to the right hand side of +evolution equations. This thorn works only for time evolutions that +use MoL. I thank Scott Hawley who wrote a very similar thorn +HawleyThorns/Dissipation for evolutions that do not use MoL; this +thorn here is modelled after his. + +For a description of the artificial dissipation, see H. Kreiss and +J. Oliger, "Methods for the Approximate Solution of Time Dependent +Problems", vol. 10 of Global Atmospheric Research Programme (GARP): +GARP Publication Series (GARP Publication, 1973). |