A Bernoulli free boundary problem with geometrical constraints is studied. The domain Ω is constrained to lie in the half space determined by x1 ≥ 0 and its boundary to contain a segment of the hyperplane {x1 = 0} where non-homogeneous Dirichlet conditions are imposed. We are then looking for the solution of a partial differential equation satisfying a Dirichlet and a Neumann boundary condition simultaneously on the free boundary. The existence and uniqueness of a solution have already been addressed and this paper is devoted first to the study of geometric and asymptotic properties of the solution and then to the numerical treatment of the problem using a shape optimization formulation. The major difficulty and originality of this paper lies in the treatment of the geometric constraints.
Mots-clés : free boundary problem, Bernoulli condition, shape optimization
@article{COCV_2012__18_1_157_0,
author = {Laurain, Antoine and Privat, Yannick},
title = {On a {Bernoulli} problem with geometric constraints},
journal = {ESAIM: Control, Optimisation and Calculus of Variations},
pages = {157--180},
publisher = {EDP-Sciences},
volume = {18},
number = {1},
year = {2012},
doi = {10.1051/cocv/2010049},
mrnumber = {2887931},
language = {en},
url = {http://www.numdam.org/articles/10.1051/cocv/2010049/}
}
TY - JOUR AU - Laurain, Antoine AU - Privat, Yannick TI - On a Bernoulli problem with geometric constraints JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2012 SP - 157 EP - 180 VL - 18 IS - 1 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv/2010049/ DO - 10.1051/cocv/2010049 LA - en ID - COCV_2012__18_1_157_0 ER -
%0 Journal Article %A Laurain, Antoine %A Privat, Yannick %T On a Bernoulli problem with geometric constraints %J ESAIM: Control, Optimisation and Calculus of Variations %D 2012 %P 157-180 %V 18 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2010049/ %R 10.1051/cocv/2010049 %G en %F COCV_2012__18_1_157_0
Laurain, Antoine; Privat, Yannick. On a Bernoulli problem with geometric constraints. ESAIM: Control, Optimisation and Calculus of Variations, Tome 18 (2012) no. 1, pp. 157-180. doi : 10.1051/cocv/2010049. http://www.numdam.org/articles/10.1051/cocv/2010049/
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