We study dielectric breakdown for composites made of two isotropic phases. We show that Sachs's bound is optimal. This simple example is used to illustrate a variational principle which departs from the traditional one. We also derive the usual variational principle by elementary means without appealing to the technology of convex duality.
Dielectric breakdown: optimal bounds / Garroni, Adriana; Nesi, Vincenzo; Ponsiglione, Marcello. - In: PROCEEDINGS OF THE ROYAL SOCIETY OF LONDON. SERIES A. - ISSN 1364-5021. - 457:2014(2001), pp. 2317-2335. [10.1098/rspa.2001.0803]
Dielectric breakdown: optimal bounds
GARRONI, Adriana;NESI, Vincenzo;PONSIGLIONE, Marcello
2001
Abstract
We study dielectric breakdown for composites made of two isotropic phases. We show that Sachs's bound is optimal. This simple example is used to illustrate a variational principle which departs from the traditional one. We also derive the usual variational principle by elementary means without appealing to the technology of convex duality.File allegati a questo prodotto
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