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Society for Industrial and Applied Mathematics, SIAM Journal on Numerical Analysis, 6(39), p. 2109-2132, 2002

DOI: 10.1137/s0036142999359189

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A new family of mixed finite elements for the linear elastodynamic problem

Journal article published in 2002 by Éliane Bécache, Eliane Bécache, Patrick Joly, Chrysoula Tsogka ORCID
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This paper is available in a repository.

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Abstract

We construct and analyze a new family of quadrangular (in two dimensions) or cubic (in three dimensions) mixed finite elements for the approximation of elastic wave equations. Our elements lead to explicit schemes (via mass lumping), after time discretization, including in the case of anisotropic media. Error estimates are given for these new elements. Copyright © 2002 Society for Industrial and Applied Mathematics