A hybrid high-order locking-free method for linear elasticity on general meshes

DA Di Pietro, A Ern - Computer Methods in Applied Mechanics and …, 2015 - Elsevier
We devise an arbitrary-order locking-free method for linear elasticity. The method relies on a
pure-displacement (primal) formulation and leads to a symmetric, positive definite system …

A weak Galerkin mixed finite element method for second order elliptic problems

J Wang, X Ye - Mathematics of Computation, 2014 - ams.org
A new weak Galerkin (WG) method is introduced and analyzed for the second order elliptic
equation formulated as a system of two first order linear equations. This method, called WG …

A virtual element method for elastic and inelastic problems on polytope meshes

LB Da Veiga, C Lovadina, D Mora - Computer methods in applied …, 2015 - Elsevier
Abstract We present a Virtual Element Method (VEM) for possibly nonlinear elastic and
inelastic problems, mainly focusing on a small deformation regime. The numerical scheme is …

Conforming and nonconforming virtual element methods for elliptic problems

A Cangiani, G Manzini, OJ Sutton - IMA Journal of Numerical …, 2017 - academic.oup.com
We present, in a unified framework, new conforming and nonconforming virtual element
methods for general second-order elliptic problems in two and three dimensions. The …

A Virtual Element Method for the Cahn--Hilliard Equation with Polygonal Meshes

PF Antonietti, LB Da Veiga, S Scacchi, M Verani - SIAM Journal on Numerical …, 2016 - SIAM
In this paper we develop an evolution of the C^1 virtual elements of minimal degree for the
approximation of the Cahn--Hilliard equation. The proposed method has the advantage of …

A weak Galerkin finite element method for the Stokes equations

J Wang, X Ye - Advances in Computational Mathematics, 2016 - Springer
This paper introduces a weak Galerkin (WG) finite element method for the Stokes equations
in the primal velocity-pressure formulation. This WG method is equipped with stable finite …

Mixed virtual element methods for general second order elliptic problems on polygonal meshes

L Beirão da Veiga, F Brezzi, LD Marini… - … Modelling and Numerical …, 2016 - numdam.org
In the present paper we introduce a Virtual Element Method (VEM) for the approximate
solution of general linear second order elliptic problems in mixed form, allowing for variable …

A review of hybrid high-order methods: formulations, computational aspects, comparison with other methods

DA Di Pietro, A Ern, S Lemaire - … and challenges in modern approaches to …, 2016 - Springer
Abstract Hybrid High-Order (HHO) methods are formulated in terms of discrete unknowns
attached to mesh faces and cells (hence, the term hybrid), and these unknowns are …

On discretely entropy conservative and entropy stable discontinuous Galerkin methods

J Chan - Journal of Computational Physics, 2018 - Elsevier
High order methods based on diagonal-norm summation by parts operators can be shown
to satisfy a discrete conservation or dissipation of entropy for nonlinear systems of …

A weak Galerkin finite element method for the Maxwell equations

L Mu, J Wang, X Ye, S Zhang - Journal of Scientific Computing, 2015 - Springer
This paper introduces a numerical scheme for the time-harmonic Maxwell equations by
using weak Galerkin (WG) finite element methods. The WG finite element method is based …