Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
511168 | Computers & Structures | 2009 | 10 Pages |
Abstract
Four discontinuous Galerkin (DG) methods are proposed to enrich the resource of modeling elasticity problems as they are volume locking-free and allow hanging nodes in meshing. A detailed finite element formulation of these DG methods is presented. For implementation, we coded a three-dimensional nodal-based DG program in which the conventional nodal-based pure displacement finite element codes are fully exploited. The robustness and accuracy of each DG method are demonstrated and compared with mixed methods through solving a rubber beam problem. The coupled use of DG with continuous elements is proposed for some practical applications.
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Physical Sciences and Engineering
Computer Science
Computer Science Applications
Authors
R. Liu, M.F. Wheeler, C.N. Dawson,