{ "id": "1209.5223", "version": "v2", "published": "2012-09-24T10:39:07.000Z", "updated": "2013-04-09T19:40:56.000Z", "title": "A simple preconditioner for a discontinuous Galerkin method for the Stokes problem", "authors": [ "Blanca Ayuso de Dios", "Franco Brezzi", "L. Donatella Marini", "Jinchao Xu", "Ludmil Zikatanov" ], "comment": "27 pages, 4 figures", "categories": [ "math.NA" ], "abstract": "In this paper we construct Discontinuous Galerkin approximations of the Stokes problem where the velocity field is H(div)-conforming. This implies that the velocity solution is divergence-free in the whole domain. This property can be exploited to design a simple and effective preconditioner for the final linear system.", "revisions": [ { "version": "v2", "updated": "2013-04-09T19:40:56.000Z" } ], "analyses": { "subjects": [ "65N30", "65N12", "65N22", "65F08", "76R50" ], "keywords": [ "discontinuous galerkin method", "stokes problem", "simple preconditioner", "construct discontinuous galerkin approximations", "final linear system" ], "note": { "typesetting": "TeX", "pages": 27, "language": "en", "license": "arXiv", "status": "editable", "adsabs": "2012arXiv1209.5223A" } } }