Complexes from complexes

DN Arnold, K Hu - Foundations of Computational Mathematics, 2021 - Springer
This paper is concerned with the derivation and properties of differential complexes arising
from a variety of problems in differential equations, with applications in continuum …

The Stokes complex: A review of exactly divergence–free finiteelement pairsfor incompressibleflows

M Neilan - 75 Years of Mathematics of Computation: Symposium …, 2020 - books.google.com
The Stokes complex: A review of exactly divergence–free finiteelement pairsfor
incompressibleflows Page 152 Contemporary Mathematics Volume 754 , 2020 https://doi …

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 …

A conforming auxiliary space preconditioner for the mass conserving stress‐yielding method

L Kogler, PL Lederer, J Schöberl - Numerical linear algebra …, 2023 - Wiley Online Library
We are studying the efficient solution of the system of linear equations stemming from the
mass conserving stress‐yielding (MCS) discretization of the Stokes equations. We perform …

A pressure-robust embedded discontinuous Galerkin method for the Stokes problem by reconstruction operators

PL Lederer, S Rhebergen - SIAM Journal on Numerical Analysis, 2020 - SIAM
The embedded discontinuous Galerkin (EDG) finite element method for the Stokes problem
results in a pointwise divergence-free approximate velocity on cells. However, the …

Uniformly well-posed hybridized discontinuous Galerkin/hybrid mixed discretizations for Biot's consolidation model

J Kraus, PL Lederer, M Lymbery, J Schöberl - Computer Methods in …, 2021 - Elsevier
We consider the quasi-static Biot's consolidation model in a three-field formulation with the
three unknown physical quantities of interest being the displacement u of the solid matrix …

[HTML][HTML] An asymptotic-preserving and exactly mass-conservative semi-implicit scheme for weakly compressible flows based on compatible finite elements

E Zampa, M Dumbser - Journal of Computational Physics, 2024 - Elsevier
We present a novel asymptotic-preserving semi-implicit finite element method for weakly
compressible and incompressible flows based on compatible finite element spaces. The …

Finite elements for symmetric and traceless tensors in three dimensions

K Hu, T Lin, B Shi - arXiv preprint arXiv:2311.16077, 2023 - arxiv.org
We construct a family of finite element sub-complexes of the conformal complex on
tetrahedral meshes. This complex includes vector fields and symmetric and traceless tensor …

Verification and validation of cylinder drag: Pressure and stress approximations on curved boundaries

IG Gjerde, LR Scott - arXiv preprint arXiv:2306.12362, 2023 - arxiv.org
We study a technique for verification of stress and pressure computations on boundaries in
flow simulations. We utilize existing experiments to provide validation of the simulations. We …

[HTML][HTML] High-order projection-based upwind method for implicit large eddy simulation

PL Lederer, X Mooslechner, J Schöberl - Journal of Computational Physics, 2023 - Elsevier
We assess the ability of three different approaches based on high-order discontinuous
Galerkin methods to simulate under-resolved turbulent flows. The capabilities of the mass …