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Annales de l'Institut Henri Poincaré Analyse non linéaire 29, 3 (2012) 413-433
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Electrified thin films: Global existence of non-negative solutions
Cyril Imbert1, Antoine Mellet2

We consider an equation modeling the evolution of a viscous liquid thin film wetting a horizontal solid substrate destabilized by an electric field normal to the substrate. The effects of the electric field are modeled by a lower order non-local term. We introduce the good functional analysis framework to study this equation on a bounded domain and prove the existence of weak solutions defined globally in time for general initial data (with finite energy).
1 :  CEREMADE - CEntre de REcherches en MAthématiques de la DEcision
2 :  Department of Mathematics, University of Maryland
Higher order equation – Non-local equation – Thin film equation – Non-negative solutions