[BOOK][B] Numerical models for differential problems

A Quarteroni, S Quarteroni - 2009 - Springer
Alfio Quarteroni Third Edition Page 1 MS&A – Modeling, Simulation and Applications 16
Numerical Models for Di erential Problems Alfio Quarteroni Third Edition Page 2 MS&A Volume …

Numerical modeling of seismic waves by discontinuous spectral element methods

PF Antonietti, A Ferroni, I Mazzieri… - ESAIM: Proceedings …, 2018 - esaim-proc.org
We present a comprehensive review of Discontinuous Galerkin Spectral Element (DGSE)
methods on hybrid hexahedral/tetrahedral grids for the numerical modeling of the ground …

ℎ𝑝-discontinuous Galerkin methods for the Helmholtz equation with large wave number

X Feng, H Wu - Mathematics of computation, 2011 - ams.org
In this paper we develop and analyze some interior penalty $ hp $-discontinuous Galerkin ($
hp $-DG) methods for the Helmholtz equation with first order absorbing boundary condition …

An adaptive high-order unfitted finite element method for elliptic interface problems

Z Chen, K Li, X **ang - Numerische Mathematik, 2021 - Springer
We design an adaptive unfitted finite element method on the Cartesian mesh with hanging
nodes. We derive an hp-reliable and efficient residual type a posteriori error estimate on K …

Multigrid Algorithms for -Discontinuous Galerkin Discretizations of Elliptic Problems

PF Antonietti, M Sarti, M Verani - SIAM Journal on Numerical Analysis, 2015 - SIAM
We present W-cycle h-, p-, and hp-multigrid algorithms for the solution of the linear system of
equations arising from a wide class of hp-version discontinuous Galerkin discretizations of …

Polynomial robust stability analysis for (div)-conforming finite elements for the Stokes equations

PL Lederer, J Schöberl - IMA Journal of Numerical Analysis, 2018 - academic.oup.com
In this article, we consider a discontinuous Galerkin method for the discretization of the
Stokes problem. We use-conforming finite elements, as they provide major benefits such as …

Hybrid discontinuous Galerkin methods with relaxed H (div)-conformity for incompressible flows. Part II

PL Lederer, C Lehrenfeld, J Schöberl - … Modelling and Numerical …, 2019 - esaim-m2an.org
The present work is the second part of a pair of papers, considering Hybrid Discontinuous
Galerkin methods with relaxed H (div)-conformity. The first part mainly dealt with presenting …

A conforming auxiliary space preconditioner for the mass conserving stress‐yielding method

L Kogler, PL Lederer, J Schöberl - Numerical linear algebra …, 2023 - Wiley Online Library
We are studying the efficient solution of the system of linear equations stemming from the
mass conserving stress‐yielding (MCS) discretization of the Stokes equations. We perform …

A uniform additive Schwarz preconditioner for high-order discontinuous Galerkin approximations of elliptic problems

PF Antonietti, M Sarti, M Verani… - Journal of Scientific …, 2017 - Springer
In this paper we design and analyze a uniform preconditioner for a class of high-order
Discontinuous Galerkin schemes. The preconditioner is based on a space splitting involving …

An hp-Hybrid High-Order Method for Variable Diffusion on General Meshes

J Aghili, DA Di Pietro, B Ruffini - Computational Methods in Applied …, 2017 - degruyter.com
In this work, we introduce and analyze an hp-hybrid high-order (hp-HHO) method for a
variable diffusion problem. The proposed method is valid in arbitrary space dimension and …