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 …

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 …

Divergence‐free tangential finite element methods for incompressible flows on surfaces

PL Lederer, C Lehrenfeld… - International journal for …, 2020 - Wiley Online Library
In this work we consider the numerical solution of incompressible flows on two‐dimensional
manifolds. Whereas the compatibility demands of the velocity and the pressure spaces are …

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 …

Tangential Navier–Stokes equations on evolving surfaces: analysis and simulations

MA Olshanskii, A Reusken… - Mathematical Models and …, 2022 - World Scientific
The paper considers a system of equations that models a lateral flow of a Boussinesq–
Scriven fluid on a passively evolving surface embedded in ℝ 3. For the resulting Navier …

Error analysis of higher order trace finite element methods for the surface Stokes equation

T Jankuhn, MA Olshanskii, A Reusken… - Journal of Numerical …, 2021 - degruyter.com
The paper studies a higher order unfitted finite element method for the Stokes system posed
on a surface in ℝ3. The method employs parametric P kP k− 1 finite element pairs on …

Inf-sup stability of the trace 𝐏₂–𝐏₁ Taylor–Hood elements for surface PDEs

M Olshanskii, A Reusken, A Zhiliakov - Mathematics of Computation, 2021 - ams.org
The paper studies a geometrically unfitted finite element method (FEM), known as trace FEM
or cut FEM, for the numerical solution of the Stokes system posed on a closed smooth …

A decoupled, stable, and linear fem for a phase-field model of variable density two-phase incompressible surface flow

Y Palzhanov, A Zhiliakov, A Quaini… - Computer Methods in …, 2021 - Elsevier
The paper considers a thermodynamically consistent phase-field model of a two-phase flow
of incompressible viscous fluids. The model allows for a non-linear dependence of the fluid …

A mass conservative, well balanced, tangency preserving and energy decaying method for the shallow water equations on a sphere

M Gunzburger, B Li, J Wang, Z Yang - Journal of Computational Physics, 2022 - Elsevier
A fully discrete surface finite element method is proposed for solving the viscous shallow
water equations in a bounded Lipschitz domain on the sphere based on a general triangular …