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Publication
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A new finite element heterogeneous multiscale method (FE-HMM) is proposed for the numerical solution of the wave equation over long times in a rapidly varying medium. Our FE-HMM captures long-time dispersive effects of the true solution at a cost similar to that of a standard numerical homogenization scheme which, however, only captures the short-time macroscale behavior of the wave field. (C) 2013 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.
Jean-François Molinari, Antonio Joaquin Garcia Suarez, Ghatu Subhash