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- W4288359802 abstract "The elucidation of many physical problems in science and engineering is subject to the accurate numerical modelling of complex wave propagation phenomena. Over the last decades, high-order numerical approximation for partial differential equations has become a well-established tool. Here we propose and study numerically the implicit approximation in time of wave equations by a Galerkin--collocation approach that relies on a higher order space-time finite element approach. The conceptual basis is the establishment of a direct connection between the Galerkin method for the time discretization and the classical collocation methods, with the perspective of achieving the accuracy of the former with reduced computational costs provided by the latter in terms of less complex linear algebraic systems. For the fully discrete solution, higher order regularity in time is further ensured which can be advantageous in the discretization of multi-physics systems. The accuracy and efficiency of the variational collocation approach is carefully studied by numerical experiments." @default.
- W4288359802 created "2022-07-29" @default.
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- W4288359802 date "2019-05-02" @default.
- W4288359802 modified "2023-09-24" @default.
- W4288359802 title "Numerical study of Galerkin-collocation approximation in time for the wave equation" @default.
- W4288359802 doi "https://doi.org/10.48550/arxiv.1905.00606" @default.
- W4288359802 hasPublicationYear "2019" @default.
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