We present the first a priori error analysis of the -version of the hybridizable discontinuous Galkerin (HDG) methods applied to convection-dominated diffusion problems. We show that, when using polynomials of degree no greater than , the -error of the scalar variable converges with order on general conforming quasi-uniform simplicial meshes, just as for conventional DG methods. We also show that the method achieves the optimal -convergence order of on special meshes. Moreover, we discuss a new way of implementing the HDG methods for which the spectral condition number of the global matrix is independent of the diffusion coefficient. Numerical experiments are presented which verify our theoretical results.
DOI : 10.1051/m2an/2014032
Mots-clés : HDG, convection-dominated diffusion
@article{M2AN_2015__49_1_225_0, author = {Fu, Guosheng and Qiu, Weifeng and Zhang, Wujun}, title = {An analysis of {HDG} methods for convection-dominated diffusion problems}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {225--256}, publisher = {EDP-Sciences}, volume = {49}, number = {1}, year = {2015}, doi = {10.1051/m2an/2014032}, zbl = {1314.65142}, mrnumber = {3342199}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an/2014032/} }
TY - JOUR AU - Fu, Guosheng AU - Qiu, Weifeng AU - Zhang, Wujun TI - An analysis of HDG methods for convection-dominated diffusion problems JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2015 SP - 225 EP - 256 VL - 49 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2014032/ DO - 10.1051/m2an/2014032 LA - en ID - M2AN_2015__49_1_225_0 ER -
%0 Journal Article %A Fu, Guosheng %A Qiu, Weifeng %A Zhang, Wujun %T An analysis of HDG methods for convection-dominated diffusion problems %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2015 %P 225-256 %V 49 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2014032/ %R 10.1051/m2an/2014032 %G en %F M2AN_2015__49_1_225_0
Fu, Guosheng; Qiu, Weifeng; Zhang, Wujun. An analysis of HDG methods for convection-dominated diffusion problems. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 49 (2015) no. 1, pp. 225-256. doi : 10.1051/m2an/2014032. http://www.numdam.org/articles/10.1051/m2an/2014032/
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