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A discontinuous Galerkin method with plane waves and Lagrange multipliers for the solution of short wave exterior Helmholtz problems on unstructured meshes

โœ Scribed by Charbel Farhat; Paul Wiedemann-Goiran; Radek Tezaur


Book ID
108299216
Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
136 KB
Volume
39
Category
Article
ISSN
0165-2125

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A discontinuous Galerkin method with Lag
โœ Charbel Farhat; Isaac Harari; Ulrich Hetmaniuk ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 297 KB

We present a discontinuous Galerkin method (DGM) for the solution of the Helmholtz equation in the mid-frequency regime. Our approach is based on the discontinuous enrichment method in which the standard polynomial field is enriched within each finite element by a non-conforming field that contains