We present an a posteriori error analysis of adaptive finite element approximations of distributed control problems for second order elliptic boundary value problems under bound constraints on the control. The error analysis is based on a residual-type a posteriori error estimator that consists of edge and element residuals. Since we do not assume any regularity of the data of the problem, the error analysis further invokes data oscillations. We prove reliability and efficiency of the error estimator and provide a bulk criterion for mesh refinement that also takes into account data oscillations and is realized by a greedy algorithm. A detailed documentation of numerical results for selected test problems illustrates the convergence of the adaptive finite element method.
Mots-clés : a posteriori error analysis, distributed optimal control problems, control constraints, adaptive finite element methods, residual-type a posteriori error estimators, data oscillations
@article{COCV_2008__14_3_540_0, author = {Kieweg, Michael and Iliash, Yuri and Hoppe, Ronald H. W. and Hinterm\"uller, Michael}, title = {An a posteriori error analysis of adaptive finite element methods for distributed elliptic control problems with control constraints}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {540--560}, publisher = {EDP-Sciences}, volume = {14}, number = {3}, year = {2008}, doi = {10.1051/cocv:2007057}, mrnumber = {2434065}, zbl = {1157.65039}, language = {en}, url = {http://www.numdam.org/articles/10.1051/cocv:2007057/} }
TY - JOUR AU - Kieweg, Michael AU - Iliash, Yuri AU - Hoppe, Ronald H. W. AU - Hintermüller, Michael TI - An a posteriori error analysis of adaptive finite element methods for distributed elliptic control problems with control constraints JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2008 SP - 540 EP - 560 VL - 14 IS - 3 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/cocv:2007057/ DO - 10.1051/cocv:2007057 LA - en ID - COCV_2008__14_3_540_0 ER -
%0 Journal Article %A Kieweg, Michael %A Iliash, Yuri %A Hoppe, Ronald H. W. %A Hintermüller, Michael %T An a posteriori error analysis of adaptive finite element methods for distributed elliptic control problems with control constraints %J ESAIM: Control, Optimisation and Calculus of Variations %D 2008 %P 540-560 %V 14 %N 3 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv:2007057/ %R 10.1051/cocv:2007057 %G en %F COCV_2008__14_3_540_0
Kieweg, Michael; Iliash, Yuri; Hoppe, Ronald H. W.; Hintermüller, Michael. An a posteriori error analysis of adaptive finite element methods for distributed elliptic control problems with control constraints. ESAIM: Control, Optimisation and Calculus of Variations, Tome 14 (2008) no. 3, pp. 540-560. doi : 10.1051/cocv:2007057. http://www.numdam.org/articles/10.1051/cocv:2007057/
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