Finite element discretization methods for velocity-pressure and stream function formulations of surface Stokes equations

P Brandner, T Jankuhn, S Praetorius, A Reusken… - SIAM Journal on …, 2022 - SIAM
In this paper we study parametric trace finite element (TraceFEM) and parametric surface
finite element (SFEM) discretizations of a surface Stokes problem. These methods are …

A numerical approach for fluid deformable surfaces with conserved enclosed volume

V Krause, A Voigt - Journal of Computational Physics, 2023 - Elsevier
We consider surface finite elements and a semi-implicit time stepping scheme to simulate
fluid deformable surfaces. Such surfaces are modeled by incompressible surface Navier …

Derivation and simulation of a two-phase fluid deformable surface model

E Bachini, V Krause, I Nitschke, A Voigt - Journal of Fluid Mechanics, 2023 - cambridge.org
To explore the impact of surface viscosity on coexisting fluid domains in biomembranes we
consider two-phase fluid deformable surfaces as model systems for biomembranes. Such …

A numerical approach for fluid deformable surfaces

S Reuther, I Nitschke, A Voigt - Journal of Fluid Mechanics, 2020 - cambridge.org
Fluid deformable surfaces show a solid–fluid duality which establishes a tight interplay
between tangential flow and surface deformation. We derive the governing equations as a …

A divergence-conforming finite element method for the surface Stokes equation

A Bonito, A Demlow, M Licht - SIAM Journal on Numerical Analysis, 2020 - SIAM
The Stokes equation posed on surfaces is important in some physical models, but its
numerical solution poses several challenges not encountered in the corresponding …

HDGlab: An Open-Source Implementation of the Hybridisable Discontinuous Galerkin Method in MATLAB

M Giacomini, R Sevilla, A Huerta - Archives of Computational Methods in …, 2021 - Springer
This paper presents HDGlab, an open source MATLAB implementation of the hybridisable
discontinuous Galerkin (HDG) method. The main goal is to provide a detailed description of …

An Eulerian finite element method for tangential Navier-Stokes equations on evolving surfaces

M Olshanskii, A Reusken, P Schwering - Mathematics of Computation, 2024 - ams.org
The paper introduces a geometrically unfitted finite element method for the numerical
solution of the tangential Navier–Stokes equations posed on a passively evolving smooth …

A tangential and penalty-free finite element method for the surface Stokes problem

A Demlow, M Neilan - SIAM Journal on Numerical Analysis, 2024 - SIAM
Surface Stokes and Navier–Stokes equations are used to model fluid flow on surfaces. They
have attracted significant recent attention in the numerical analysis literature because …

The interplay of geometry and coarsening in multicomponent lipid vesicles under the influence of hydrodynamics

E Bachini, V Krause, A Voigt - Physics of Fluids, 2023 - pubs.aip.org
We consider the impact of surface hydrodynamics on the interplay between membrane
curvature and lipid composition in coarsening processes on model systems for …

Tangential errors of tensor surface finite elements

H Hardering, S Praetorius - IMA Journal of Numerical Analysis, 2023 - academic.oup.com
We discretise a tangential tensor field equation using a surface-finite element approach with
a penalisation term to ensure almost tangentiality. It is natural to measure the quality of such …