On high-order pressure-robust space discretisations, their advantages for incompressible high Reynolds number generalised Beltrami flows and beyond

NR Gauger, A Linke… - The SMAI journal …, 2019 - smai-jcm.centre-mersenne.org
An improved understanding of the divergence-free constraint for the incompressible Navier–
Stokes equations leads to the observation that a semi-norm and corresponding equivalence …

Divergence-preserving reconstructions on polygons and a really pressure-robust virtual element method for the Stokes problem

D Frerichs, C Merdon - IMA Journal of Numerical Analysis, 2022 - academic.oup.com
Nondivergence-free discretizations for the incompressible Stokes problem may suffer from a
lack of pressure-robustness characterized by large discretizations errors due to irrotational …

A pressure-robust discretization of Oseen's equation using stabilization in the vorticity equation

N Ahmed, GR Barrenechea, E Burman, J Guzmán… - SIAM Journal on …, 2021 - SIAM
Discretization of Navier--Stokes equations using pressure-robust finite element methods is
considered for the high Reynolds number regime. To counter oscillations due to dominating …

Locking-Free and Gradient-Robust H (\, div\,) H (div)-Conforming HDG Methods for Linear Elasticity

G Fu, C Lehrenfeld, A Linke, T Streckenbach - Journal of Scientific …, 2021 - Springer
Robust discretization methods for (nearly-incompressible) linear elasticity are free of volume-
locking and gradient-robust. While volume-locking is a well-known problem that can be dealt …

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 …

Lowest order virtual element approximations for transient Stokes problem on polygonal meshes

N Verma, S Kumar - Calcolo, 2021 - Springer
In this paper, we discuss and analyze virtual element approximations for the nonstationary
Stokes problem on polygonal meshes. The proposed scheme is based on pressure-velocity …

An EMA-conserving, pressure-robust and Re-semi-robust method with A robust reconstruction method for Navier–Stokes

X Li, H Rui - ESAIM: Mathematical Modelling and Numerical …, 2023 - esaim-m2an.org
Proper EMA-balance (balance of kinetic energy, linear momentum and angular momentum),
pressure-robustness and Re-semi-robustness (Re: Reynolds number) are three important …

Towards pressure-robust mixed methods for the incompressible Navier–Stokes equations

N Ahmed, A Linke, C Merdon - Computational Methods in Applied …, 2018 - degruyter.com
In this contribution, we review classical mixed methods for the incompressible Navier–
Stokes equations that relax the divergence constraint and are discretely inf-sup stable …

Inf-sup stabilized Scott–Vogelius pairs on general shape-regular simplicial grids for Navier–Stokes equations

N Ahmed, V John, X Li, C Merdon - Computers & Mathematics with …, 2024 - Elsevier
This paper considers the discretization of the time-dependent Navier–Stokes equations with
the family of inf-sup stabilized Scott–Vogelius pairs recently introduced in …

A gradient-robust well-balanced scheme for the compressible isothermal Stokes problem

M Akbas, T Gallouët, A Gaßmann, A Linke… - Computer Methods in …, 2020 - Elsevier
A novel notion for constructing a well-balanced scheme–a gradient-robust scheme–is
introduced and a showcase application for the steady compressible, isothermal Stokes …