A hybridizable discontinuous Galerkin method for the Navier–Stokes equations with pointwise divergence-free velocity field

S Rhebergen, GN Wells - Journal of Scientific Computing, 2018 - Springer
We introduce a hybridizable discontinuous Galerkin method for the incompressible Navier–
Stokes equations for which the approximate velocity field is pointwise divergence-free. The …

[HTML][HTML] On the convergence order of the finite element error in the kinetic energy for high Reynolds number incompressible flows

B García-Archilla, V John, J Novo - Computer Methods in Applied …, 2021 - Elsevier
The kinetic energy of a flow is proportional to the square of the L 2 (Ω) norm of the velocity.
Given a sufficient regular velocity field and a velocity finite element space with polynomials …

Towards computable flows and robust estimates for inf-sup stable FEM applied to the time-dependent incompressible Navier–Stokes equations

PW Schroeder, C Lehrenfeld, A Linke, G Lube - SeMA Journal, 2018 - Springer
Inf-sup stable FEM applied to time-dependent incompressible Navier–Stokes flows are
considered. The focus lies on robust estimates for the kinetic and dissipation energies in a …

An embedded–hybridized discontinuous Galerkin finite element method for the Stokes equations

S Rhebergen, GN Wells - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
We present and analyze a new embedded–hybridized discontinuous Galerkin finite element
method for the Stokes problem. The method has the attractive properties of full hybridized …

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

PL Lederer, C Lehrenfeld, J Schöberl - SIAM Journal on Numerical Analysis, 2018 - SIAM
We propose a new discretization method for the Stokes equations. The method is an
improved version of the method recently presented in C. Lehrenfeld and J. Schöberl …

Preconditioning of a hybridized discontinuous Galerkin finite element method for the Stokes equations

S Rhebergen, GN Wells - Journal of Scientific Computing, 2018 - Springer
We present optimal preconditioners for a recently introduced hybridized discontinuous
Galerkin finite element discretization of the Stokes equations. Typical of hybridized …

[HTML][HTML] Design and analysis of an exactly divergence-free hybridised discontinuous Galerkin method for incompressible flows on meshes with quadrilateral cells

JP Dean, S Rhebergen, GN Wells - Computer Methods in Applied …, 2023 - Elsevier
We generalise a hybridised discontinuous Galerkin method for incompressible flow
problems to non-affine cells, showing that with a suitable element mapping the generalised …

A semi‐hybrid‐mixed method for Stokes–Brinkman–Darcy flows with H (div)‐velocity fields

PGS Carvalho, PRB Devloo… - International Journal for …, 2024 - Wiley Online Library
We consider new semi‐hybrid‐mixed finite element formulations for Stokes–Brinkman
problems. Using H (div) H\left (div\right)‐conforming approximate velocity fields, the …

A low-order divergence-free H (div)-conforming finite element method for Stokes flows

X Li, H Rui - IMA Journal of Numerical Analysis, 2022 - academic.oup.com
In this paper, we propose a discretization of the Stokes equations on general simplicial
meshes in two/three dimensions, which yields an exactly divergence-free and pressure …

Analysis of a pressure-robust hybridized discontinuous Galerkin method for the stationary Navier–Stokes equations

KLA Kirk, S Rhebergen - Journal of Scientific Computing, 2019 - Springer
We present well-posedness and an a priori error analysis of the hybridized discontinuous
Galerkin method for the stationary form of the Navier–Stokes problem proposed in …