We consider a surface Stokes problem in stream function formulation on a simply connected oriented surface Γ ⊂ ℝ3 without boundary. This formulation leads to a coupled system of two second order scalar surface partial differential equations (for the stream function and an auxiliary variable). To this coupled system a trace finite element discretization method is applied. The main topic of the paper is an error analysis of this discretization method, resulting in optimal order discretization error bounds. The analysis applies to the surface finite element method of Dziuk–Elliott, too. We also investigate methods for reconstructing velocity and pressure from the stream function approximation. Results of numerical experiments are included.
Mots-clés : Surface Stokes, stream function formulation, error analysis, TraceFEM
@article{M2AN_2020__54_6_2069_0, author = {Brandner, Philip and Reusken, Arnold}, title = {Finite element error analysis of surface {Stokes} equations in stream function formulation}, journal = {ESAIM: Mathematical Modelling and Numerical Analysis }, pages = {2069--2097}, publisher = {EDP-Sciences}, volume = {54}, number = {6}, year = {2020}, doi = {10.1051/m2an/2020044}, mrnumber = {4160329}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an/2020044/} }
TY - JOUR AU - Brandner, Philip AU - Reusken, Arnold TI - Finite element error analysis of surface Stokes equations in stream function formulation JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2020 SP - 2069 EP - 2097 VL - 54 IS - 6 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an/2020044/ DO - 10.1051/m2an/2020044 LA - en ID - M2AN_2020__54_6_2069_0 ER -
%0 Journal Article %A Brandner, Philip %A Reusken, Arnold %T Finite element error analysis of surface Stokes equations in stream function formulation %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2020 %P 2069-2097 %V 54 %N 6 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an/2020044/ %R 10.1051/m2an/2020044 %G en %F M2AN_2020__54_6_2069_0
Brandner, Philip; Reusken, Arnold. Finite element error analysis of surface Stokes equations in stream function formulation. ESAIM: Mathematical Modelling and Numerical Analysis , Tome 54 (2020) no. 6, pp. 2069-2097. doi : 10.1051/m2an/2020044. http://www.numdam.org/articles/10.1051/m2an/2020044/
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