A unified study of continuous and discontinuous Galerkin methods

Q Hong, F Wang, S Wu, J Xu - Science China Mathematics, 2019 - Springer
A unified study is presented in this paper for the design and analysis of different finite
element methods (FEMs), including conforming and nonconforming FEMs, mixed FEMs …

Hybridization of the virtual element method for linear elasticity problems

F Dassi, C Lovadina, M Visinoni - Mathematical Models and …, 2021 - World Scientific
In this paper, we extend the hybridization procedure proposed in [DN Arnold and F. Brezzi,
Mixed and nonconforming finite element methods: Implementation, postprocessing and error …

Discrete elasticity exact sequences on Worsey–Farin splits

S Gong, J Gopalakrishnan, J Guzmán… - … and Numerical Analysis, 2023 - esaim-m2an.org
We construct conforming finite element elasticity complexes on Worsey–Farin splits in three
dimensions. Spaces for displacement, strain, stress, and the load are connected in the …

New low-order mixed finite element methods for linear elasticity

X Huang, C Zhang, Y Zhou, Y Zhu - Advances in Computational …, 2024 - Springer
New low-order H (div)-conforming finite elements for symmetric tensors are constructed in
arbitrary dimension. The space of shape functions is defined by enriching the symmetric …

Finite elements and virtual elements on classical meshes

F Brezzi, LD Marini - Vietnam Journal of Mathematics, 2021 - Springer
Abstract Among Numerical Methods for PDEs, the Virtual Element Methods were introduced
recently in order to allow the use of decompositions of the computational domain in …

Interior penalty mixed finite element methods of any order in any dimension for linear elasticity with strongly symmetric stress tensor

S Wu, S Gong, J Xu - Mathematical Models and Methods in Applied …, 2017 - World Scientific
We propose two classes of mixed finite elements for linear elasticity of any order, with
interior penalty for nonconforming symmetric stress approximation. One key point of our …

A mixed discontinuous Galerkin method for linear elasticity with strongly imposed symmetry

F Wang, S Wu, J Xu - Journal of Scientific Computing, 2020 - Springer
In this paper, we study a mixed discontinuous Galerkin (MDG) method to solve linear
elasticity problem with arbitrary order discontinuous finite element spaces in d-dimension …

A mixed discontinuous Galerkin method with symmetric stress for Brinkman problem based on the velocity–pseudostress formulation

Y Qian, S Wu, F Wang - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
The Brinkman equations can be regarded as a combination of the Stokes and Darcy
equations which model transitions between the fast flow in channels (governed by Stokes …

[PDF][PDF] Mixed discontinuous Galerkin method for Quasi-Newtonian Stokes flows

Y Qian, W Yan, F Wang - J. Comput. Math., 2023 - doc.global-sci.org
In this paper, we introduce and analyze an augmented mixed discontinuous Galerkin (MDG)
method for a class of quasi-Newtonian Stokes flows. In the mixed formulation, the unknowns …

Virtual Elements on polyhedra with a curved face

F Brezzi, LD Marini - Bulletin of Mathematical Sciences, 2023 - World Scientific
We revisit classical Virtual Element approximations on polygonal and polyhedral
decompositions. We also recall the treatment proposed for dealing with decompositions into …