Homogenization of hexagonal lattices
Hervé Le Dret Annie Raoult
We characterize the macroscopic effective mechanical behavior of a graphene sheet modeled by a hexagonal lattice of elastic bars, using $\Gamma$-convergence.
keywords: Cauchy-Born rule. homogenization $\Gamma$-convergence Graphene sheet atomistic-to-continuum
A tribute to Professor Philippe G. Ciarlet on his 70th birthday
Hervé Le Dret Vicenţiu D. Rădulescu Roderick S. C. Wong
Professor Philippe G. Ciarlet was born on October 14, 1938, in Paris. He obtained his undergraduate degree in 1961 from the celebrated École Polytechnique in Paris, followed by graduate studies (1962-1964) at the École Nationale des Ponts et Chaussées in Paris. Professor Ciarlet received in 1966 his Ph.D. at the Case Institute of Technology, Cleveland, U.S.A., under the guidance of Professor Richard S. Varga. The title of his Ph.D. thesis is Variational Methods for Non-Linear Boundary-Value Problems. He continued with a Doctorat d'État Fonctions de Green Discrètes et Principe du Maximum Discret) at the University of Paris in 1971 and his advisor was Professor Jacques-Louis Lions.

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