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Pré-Publication, Document De Travail Année : 2021

SPACETIME FINITE ELEMENT METHODS FOR CONTROL PROBLEMS SUBJECT TO THE WAVE EQUATION

Résumé

We consider the null controllability problem for the wave equation, and analyse a stabilized finite element method formulated on a global, unstructured spacetime mesh. We prove error estimates for the approximate control given by the computational method. The proofs are based on the regularity properties of the control given by the Hilbert Uniqueness Method, together with the stability properties of the numerical scheme. Numerical experiments illustrate the results.
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Dates et versions

hal-03346617 , version 1 (16-09-2021)

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  • HAL Id : hal-03346617 , version 1

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Erik Burman, Ali Feizmohammadi, Arnaud Munch, Lauri Oksanen. SPACETIME FINITE ELEMENT METHODS FOR CONTROL PROBLEMS SUBJECT TO THE WAVE EQUATION. 2021. ⟨hal-03346617⟩
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