Abstract
AbstractFor the analysis of the elastic wave propagation at high frequencies, the spectral finite element method (SFEM) is under investigation. The SFEM uses high‐order shape functions which are composed of Lagrange polynomials with nodes at the Gauss‐Lobatto quadrature points. In this way we obtain a diagonal mass matrix which makes an explicit time scheme more efficient. In a numerical example a computation by Montjoie of an elastic wave propagation within a Reissner‐Mindlin (RM) model is presented. (© 2011 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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