An overlapping waveform-relaxation preconditioner for economic optimal control problems with state constraints
An overlapping waveform-relaxation preconditioner for economic optimal control problems with state constraints
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2021
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In this work, a class of parabolic economic optimal control problems is considered. These problems are characterized by pointwise state constraints regularized by a parameter, which transforms the pure state constraints in mixed control-state ones. However, the convergence of classical (semismooth) Newton methods deteriorates for decreasing values of the regularization parameter. To tackle this problem, a nonlinear preconditioner is introduced. This is based on an overlapping optimized waveform-relaxation method characterized by Robin transmission conditions. Numerical experiments show that appropriate choices of the overlap and of the Robin parameter lead to a preconditioned Newton method with a robust convergence against the state constraints regularization parameter.
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CIARAMELLA, Gabriele, Luca MECHELLI, 2021. An overlapping waveform-relaxation preconditioner for economic optimal control problems with state constraintsBibTex
@unpublished{Ciaramella2021-03-27T09:19:55Zoverl-55636, year={2021}, title={An overlapping waveform-relaxation preconditioner for economic optimal control problems with state constraints}, author={Ciaramella, Gabriele and Mechelli, Luca} }
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