@Article{IJNAM-14-4-5, author = {}, title = {A Posteriori Error Estimates for Mixed Finite Element Galerkin Approximations to Second Order Linear Hyperbolic Equations}, journal = {International Journal of Numerical Analysis and Modeling}, year = {2017}, volume = {14}, number = {4-5}, pages = {571--590}, abstract = {

In this article, a posteriori error analysis for mixed finite element Galerkin approximations of second order linear hyperbolic equations is discussed. Based on mixed elliptic reconstructions and an integration tool, which is a variation of Baker's technique introduced earlier by G. Baker (SIAM J. Numer. Anal., 13 (1976), 564-576) in the context of a priori estimates for a second order wave equation, a posteriori error estimates of the displacement in $L^∞(L^2)$-norm for the semidiscrete scheme are derived. Finally, a first order implicit-in-time discrete scheme is analyzed and a posteriori error estimators are established.

}, issn = {2617-8710}, doi = {https://doi.org/2017-IJNAM-10050}, url = {https://global-sci.com/article/83189/a-posteriori-error-estimates-for-mixed-finite-element-galerkin-approximations-to-second-order-linear-hyperbolic-equations} }