Exact Controllability of a Piezoelectric Body. Theory and Numerical Simulation |
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Authors: | Bernadette Miara Arnaud Münch |
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Institution: | 1.Laboratoire de modélisation et simulation numérique,école Supérieure d’Ingénieurs en électronique et électrotechnique,Noisy-Le-Grand,France;2.Laboratoire de Mathématiques de Besan?on,Université de Franche-Comté, UMR CNRS 6623,Besan?on,France |
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Abstract: | We study the exact controllability of a three-dimensional body made of a material whose constitutive law introduces an elasticity-electricity
coupling. We show that a coupled elastic-electric control acting on the whole boundary of the body drives the system to rest
after time large enough. Two-dimensional numerical experiments suggest that controllability can still be achieved by relaxing
this restrictive condition using either both controls on a reduced support or elastic control alone.
B. Miara supported by the European project “INTAS, Research Project for South Caucasian Republics 06-1000017-8886”. A. Münch
partially supported by grants ANR-05-JC-0182-01 and ANR-07-JC-1832-84. |
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Keywords: | Piezo-electricity Exact boundary controllability Finite element approximation |
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