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Comptes Rendus Mathématique
Volume 335, n° 4
pages 387-392 (2002)
Doi : S1631-073X(02)02467-6
Received : 5 Mars 2002 ;  accepted : 7 June 2002
A parareal in time procedure for the control of partial differential equations
Une technique de contrôle d'équations aux dérivées partielles en temps pararéel
 

Yvon Maday a , Gabriel Turinici b, c
a Laboratoire Jacques-Louis Lions, Université Pierre et Marie Curie, Boı̂te courrier 187, 75252 Paris cedex 05, France 
b INRIA Rocquencourt, BP 105, 78153 Le Chesnay cedex, France 
c CERMICS, ENPC, Marne la Vallée, France 

Note presented by Olivier Pironneau

Abstract

We have proposed in a previous note a time discretization for partial differential evolution equation that allows for parallel implementations. This scheme is here reinterpreted as a preconditioning procedure on an algebraic setting of the time discretization. This allows for extending the parallel methodology to the problem of optimal control for partial differential equations. We report a first numerical implementation that reveals a large interest. To cite this article: Y. Maday, G. Turinici, C. R. Acad. Sci. Paris, Ser. I 335 (2002) 387-392.

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Résumé

On a proposé dans une précédente note, un schéma permettant de profiter d'une architecture parallèle pour la discrétisation en temps d'équation d'évolution aux dérivées partielles. Ce schéma est ici interprété sous un angle différent et matriciel, permettant d'étendre le concept pour le contrôle d'EDP. Les premières expériences numériques sont extrèmement encourageantes. Pour citer cet article : Y. Maday, G. Turinici, C. R. Acad. Sci. Paris, Ser. I 335 (2002) 387-392.

The full text of this article is available in PDF format.


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