The present article is concerned with the numerical solution of a free boundary problem for an elliptic state equation with random diffusion. The domain under consideration is represented by a level set function which is evolved by the objective’s shape gradient. The state is computed by the finite element method, where the underlying triangulation is constructed by means of a marching cubes algorithm. The high-dimensional integral, which is induced by the random diffusion, is approximated by the quasi-Monte Carlo method. By numerical experiments, we validate the feasibility of the approach.
Keywords: Free boundary problem, random diffusion, shape optimization
@article{COCV_2020__26_1_A56_0,
author = {Br\"ugger, Rahel and Croce, Roberto and Harbrecht, Helmut},
title = {Solving a {Bernoulli} type free boundary problem with random diffusion},
journal = {ESAIM: Control, Optimisation and Calculus of Variations},
year = {2020},
publisher = {EDP Sciences},
volume = {26},
doi = {10.1051/cocv/2019030},
mrnumber = {4146353},
zbl = {1453.35199},
language = {en},
url = {https://www.numdam.org/articles/10.1051/cocv/2019030/}
}
TY - JOUR AU - Brügger, Rahel AU - Croce, Roberto AU - Harbrecht, Helmut TI - Solving a Bernoulli type free boundary problem with random diffusion JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2020 VL - 26 PB - EDP Sciences UR - https://www.numdam.org/articles/10.1051/cocv/2019030/ DO - 10.1051/cocv/2019030 LA - en ID - COCV_2020__26_1_A56_0 ER -
%0 Journal Article %A Brügger, Rahel %A Croce, Roberto %A Harbrecht, Helmut %T Solving a Bernoulli type free boundary problem with random diffusion %J ESAIM: Control, Optimisation and Calculus of Variations %D 2020 %V 26 %I EDP Sciences %U https://www.numdam.org/articles/10.1051/cocv/2019030/ %R 10.1051/cocv/2019030 %G en %F COCV_2020__26_1_A56_0
Brügger, Rahel; Croce, Roberto; Harbrecht, Helmut. Solving a Bernoulli type free boundary problem with random diffusion. ESAIM: Control, Optimisation and Calculus of Variations, Tome 26 (2020), article no. 56. doi: 10.1051/cocv/2019030
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