Stencil reduction algorithms for the local discontinuous Galerkin method

The problem of reducing the stencil of the local discontinuous Galerkin method applied to second‐order differential operator is discussed. Heuristic algorithms to minimize the total number of non‐zero blocks of the reduced stiffness matrix are presented and tested on a wide variety of unstructured a...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	International journal for numerical methods in engineering 2010-03, Vol.81 (12), p.1475-1491
1. Verfasser:	Castillo, Paul E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Computational techniques discontinuous Galerkin methods Exact sciences and technology Fundamental areas of phenomenology (including applications) Galerkin methods local discontinuous Galerkin method Mathematical methods in physics Numerical analysis Operators Physics Reduction stencil Stiffness matrix Three dimensional Two dimensional
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	The problem of reducing the stencil of the local discontinuous Galerkin method applied to second‐order differential operator is discussed. Heuristic algorithms to minimize the total number of non‐zero blocks of the reduced stiffness matrix are presented and tested on a wide variety of unstructured and structured grids in 2D and 3D. Copyright © 2009 John Wiley & Sons, Ltd.
ISSN:	0029-5981 1097-0207
DOI:	10.1002/nme.2738