Space-Time-Domain Decomposition for Optimal Control Problems Governed by Linear Hyperbolic Systems

G¨unter Leugering

Анотація


In this article, we combine a domain decomposition method in space and time for optimal control problems with PDE-constraints described in [2] to a simultaneous space-time decomposition applied to optimal control problems for systems of linear hyperbolic equations with distributed control. We thereby extend the recent work [31, 32] and answer a long standing open question as to whether the combination of time- and space-domain decomposition for the method under consideration can be put into one single convergent iteration procedure. The algorithm is designed for a semi-elliptic system of equations obtained from the hyperbolic optimality system by the way of reduction to the adjoint state. The focus is on the relation to the classical procedure introduced by P. L. Lions [25] for elliptic problems.

Ключові слова


space- and time-domain decomposition; optimal control; linear hyperbolic systems; convergence; a posteriori error estimates

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DOI: http://dx.doi.org/10.15421/142107

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