In this paper we study the finite element approximation of systems of second-order nonlinear hyperbolic equations. The proposed numerical method combines a hp-version discontinuous Galerkin finite element approximation in the time direction with an H1(Ω)-conforming finite element approximation in the spatial variables. Error bounds at the temporal nodal points are derived under a weak restriction on the temporal step size in terms of the spatial mesh size. Numerical experiments are presented to verify the theoretical results.
Keywords: Numerical analysis, finite element method, discontinuous Galerkin method, second-order nonlinear hyperbolic PDEs, nonlinear systems of PDEs, nonlinear elastodynamics equations
@article{M2AN_2022__56_6_2255_0,
author = {Shao, Aili},
title = {Discontinuous {Galerkin} discretization in time of systems of second-order nonlinear hyperbolic equations},
journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
pages = {2255--2296},
year = {2022},
publisher = {EDP-Sciences},
volume = {56},
number = {6},
doi = {10.1051/m2an/2022066},
mrnumber = {4519224},
zbl = {1522.65178},
language = {en},
url = {https://www.numdam.org/articles/10.1051/m2an/2022066/}
}
TY - JOUR AU - Shao, Aili TI - Discontinuous Galerkin discretization in time of systems of second-order nonlinear hyperbolic equations JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2022 SP - 2255 EP - 2296 VL - 56 IS - 6 PB - EDP-Sciences UR - https://www.numdam.org/articles/10.1051/m2an/2022066/ DO - 10.1051/m2an/2022066 LA - en ID - M2AN_2022__56_6_2255_0 ER -
%0 Journal Article %A Shao, Aili %T Discontinuous Galerkin discretization in time of systems of second-order nonlinear hyperbolic equations %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2022 %P 2255-2296 %V 56 %N 6 %I EDP-Sciences %U https://www.numdam.org/articles/10.1051/m2an/2022066/ %R 10.1051/m2an/2022066 %G en %F M2AN_2022__56_6_2255_0
Shao, Aili. Discontinuous Galerkin discretization in time of systems of second-order nonlinear hyperbolic equations. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 56 (2022) no. 6, pp. 2255-2296. doi: 10.1051/m2an/2022066
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