[PDF][PDF] Discontinuous Galerkin time domain methods in computational electrodynamics: State of the art

LD Angulo, J Alvarez, MF Pantoja… - … . Res. Methods Appl …, 2015 - researchgate.net
This text reviews the state of the art of the Discontinuous Galerkin (DG) method applied to
the solution of the Maxwell's equations in Time Domain (TD). The work is divided into two …

A finite element method enriched for wave propagation problems

S Ham, KJ Bathe - Computers & structures, 2012 - Elsevier
An enriched finite element method is presented to solve various wave propagation
problems. The proposed method is an extension of the procedure introduced by Kohno …

SPEED: SPectral Elements in Elastodynamics with Discontinuous Galerkin: A non‐conforming approach for 3D multi‐scale problems

I Mazzieri, M Stupazzini, R Guidotti… - … Journal for Numerical …, 2013 - Wiley Online Library
This work presents a new high performance open‐source numerical code, namely SPectral
Elements in Elastodynamics with Discontinuous Galerkin, to approach seismic wave …

Approximated Lax pairs for the reduced order integration of nonlinear evolution equations

JF Gerbeau, D Lombardi - Journal of Computational Physics, 2014 - Elsevier
A reduced-order model algorithm, called ALP, is proposed to solve nonlinear evolution
partial differential equations. It is based on approximations of generalized Lax pairs …

A space–time Trefftz discontinuous Galerkin method for the acoustic wave equation in first-order formulation

A Moiola, I Perugia - Numerische Mathematik, 2018 - Springer
We introduce a space–time Trefftz discontinuous Galerkin method for the first-order transient
acoustic wave equations in arbitrary space dimensions, extending the one-dimensional …

Space-time isogeometric analysis for linear and non-linear elastodynamics

C Saadé, S Lejeunes, D Eyheramendy, R Saad - Computers & Structures, 2021 - Elsevier
In this study we investigate a stabilized space-time formulation for linear and non-linear
elastodynamics. We use Isogeometric Analysis (IGA) in order to benefit from its numerical …

Uniform-in-time superconvergence of the HDG methods for the acoustic wave equation

B Cockburn, V Quenneville-Bélair - Mathematics of Computation, 2014 - ams.org
We present the first a priori error analysis of the hybridizable discontinuous Galerkin
methods for the acoustic equation in the time-continuous case. We show that the velocity …

A discontinuous Galerkin method for poroelastic wave propagation: The two-dimensional case

NFD Ward, T Lähivaara, S Eveson - Journal of Computational Physics, 2017 - Elsevier
In this paper, we consider a high-order discontinuous Galerkin (DG) method for modelling
wave propagation in coupled poroelastic–elastic media. The upwind numerical flux is …

Symplectic Hamiltonian HDG methods for wave propagation phenomena

MA Sánchez, C Ciuca, NC Nguyen, J Peraire… - Journal of …, 2017 - Elsevier
We devise the first symplectic Hamiltonian hybridizable discontinuous Galerkin (HDG)
methods for the acoustic wave equation. We discretize in space by using a Hamiltonian …

[HTML][HTML] Extended framework of Hamilton's principle for continuum dynamics

J Kim, GF Dargush, YK Ju - International Journal of Solids and Structures, 2013 - Elsevier
Hamilton's principle is the variational principle for dynamical systems, and it has been widely
used in mathematical physics and engineering. However, it has a critical weakness, termed …