The incompressible Navier-Stokes problem is discretized in time by the two-step backward differentiation formula. Error estimates are proved under feasible assumptions on the regularity of the exact solution avoiding hardly fulfillable compatibility conditions. Whereas the time-weighted velocity error is of optimal second order, the time-weighted error in the pressure is of first order. Suboptimal estimates are shown for a linearisation. The results cover both the two- and three-dimensional case.
Mots clés : incompressible Navier-Stokes equation, time discretisation, backward differentiation formula, error estimate, parabolic smoothing
@article{M2AN_2004__38_5_757_0, author = {Emmrich, Etienne}, title = {Error of the two-step {BDF} for the incompressible {Navier-Stokes} problem}, journal = {ESAIM: Mod\'elisation math\'ematique et analyse num\'erique}, pages = {757--764}, publisher = {EDP-Sciences}, volume = {38}, number = {5}, year = {2004}, doi = {10.1051/m2an:2004037}, mrnumber = {2104427}, zbl = {1076.76054}, language = {en}, url = {http://www.numdam.org/articles/10.1051/m2an:2004037/} }
TY - JOUR AU - Emmrich, Etienne TI - Error of the two-step BDF for the incompressible Navier-Stokes problem JO - ESAIM: Modélisation mathématique et analyse numérique PY - 2004 SP - 757 EP - 764 VL - 38 IS - 5 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/m2an:2004037/ DO - 10.1051/m2an:2004037 LA - en ID - M2AN_2004__38_5_757_0 ER -
%0 Journal Article %A Emmrich, Etienne %T Error of the two-step BDF for the incompressible Navier-Stokes problem %J ESAIM: Modélisation mathématique et analyse numérique %D 2004 %P 757-764 %V 38 %N 5 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/m2an:2004037/ %R 10.1051/m2an:2004037 %G en %F M2AN_2004__38_5_757_0
Emmrich, Etienne. Error of the two-step BDF for the incompressible Navier-Stokes problem. ESAIM: Modélisation mathématique et analyse numérique, Tome 38 (2004) no. 5, pp. 757-764. doi : 10.1051/m2an:2004037. http://www.numdam.org/articles/10.1051/m2an:2004037/
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