High convergence order finite elements with lumped mass matrix

Morten skårup Jensen

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    A method for deriving hexahedral finite elements with lumped mass matrices for three-dimensional problems is presented. These elements meet the theoretical conditions for high order convergence, and two numerical examples based on the three-dimensional scalar wave equation show that this is also the case in practice and that their accuracy is comparable to elements with consistent mass matrices.
    Original languageEnglish
    JournalInternational Journal for Numerical Methods in Engineering
    Pages (from-to)1879-1888
    Publication statusPublished - 1996

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