hp-version discontinuous Galerkin methods on polygonal and polyhedral meshes

A Cangiani, EH Georgoulis… - Mathematical Models and …, 2014 - World Scientific
An hp-version interior penalty discontinuous Galerkin method (DGFEM) for the numerical
solution of second-order elliptic partial differential equations on general computational …

Review of discontinuous Galerkin finite element methods for partial differential equations on complicated domains

PF Antonietti, A Cangiani, J Collis, Z Dong… - … and challenges in …, 2016 - Springer
The numerical approximation of partial differential equations (PDEs) posed on complicated
geometries, which include a large number of small geometrical features or microstructures …

Adaptive discontinuous Galerkin methods for elliptic interface problems

A Cangiani, E Georgoulis, Y Sabawi - Mathematics of Computation, 2018 - ams.org
An interior-penalty discontinuous Galerkin (dG) method for an\penalty-10000 elliptic
interface problem involving, possibly, curved interfaces, with flux-\penalty-10000 balancing …

hp-version discontinuous Galerkin methods for advection-diffusion-reaction problems on polytopic meshes

A Cangiani, Z Dong, EH Georgoulis… - … and Numerical Analysis, 2016 - esaim-m2an.org
We consider the hp-version interior penalty discontinuous Galerkin finite element method
(DGFEM) for the numerical approximation of the advection-diffusion-reaction equation on …

A high-order discontinuous Galerkin method for nonlinear sound waves

PF Antonietti, I Mazzieri, M Muhr, V Nikolić… - Journal of …, 2020 - Elsevier
We propose a high-order discontinuous Galerkin scheme for nonlinear acoustic waves on
polytopic meshes. To model sound propagation with losses through homogeneous media …

A high-order approach to elliptic multiscale problems with general unstructured coefficients

R Maier - SIAM Journal on Numerical Analysis, 2021 - SIAM
We propose a multiscale approach for an elliptic multiscale setting with general unstructured
diffusion coefficients that is able to achieve high-order convergence rates with respect to the …

hp analysis of a hybrid DG method for Stokes flow

H Egger, C Waluga - IMA Journal of Numerical Analysis, 2013 - academic.oup.com
This manuscript deals with the hp error analysis of a hybrid discontinuous Galerkin method
for incompressible flow. Besides the usual coercivity and boundedness estimates, we …

Multigrid algorithms for hp hp-version interior penalty discontinuous Galerkin methods on polygonal and polyhedral meshes

PF Antonietti, P Houston, X Hu, M Sarti, M Verani - Calcolo, 2017 - Springer
In this paper we analyze the convergence properties of two-level and W-cycle multigrid
solvers for the numerical solution of the linear system of equations arising from hp-version …

[HTML][HTML] Exponential convergence of the hp virtual element method in presence of corner singularities

LB Da Veiga, A Chernov, L Mascotto, A Russo - Numerische Mathematik, 2018 - Springer
In the present work, we analyze the hp version of virtual element methods for the 2D Poisson
problem. We prove exponential convergence of the energy error employing sequences of …

ℎ𝑝-version discontinuous Galerkin methods on essentially arbitrarily-shaped elements

A Cangiani, Z Dong, E Georgoulis - Mathematics of Computation, 2022 - ams.org
We extend the applicability of the popular interior penalty discontinuous Galerkin method
discretizing advection-diffusion-reaction problems to meshes comprising extremely general …