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X-WR-CALDESC:évènements pour Département de mathématiques et applications
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TZID:Europe/Paris
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TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:20110327T010000
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DTSTART:20111030T010000
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BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20110125T103000
DTEND;TZID=Europe/Paris:20110125T113000
DTSTAMP:20260414T153207
CREATED:20110125T093000Z
LAST-MODIFIED:20211104T090216Z
UID:7983-1295951400-1295955000@www.math.ens.psl.eu
SUMMARY:Comportement en temps long pour le systeme de Boussinesq
DESCRIPTION:Nous etudions le probleme du transfer de la chaleur dans unfluide incompressible\, sous l’approximation de Boussinesq.Nous etudions le comportement des solutions dans laregion parabolique $|x|>!!>t^{1/2}$ : notre analyse montreque certaines normes $L^p$ des solutions\, et notamment la norme d’energie\,deviennent arbitrairement grandes en temps long.Il s’agit d’un travail en collaboration avec Maria Schonbek (UCSC).
URL:https://www.math.ens.psl.eu/evenement/comportement-en-temps-long-pour-le-systeme-de-boussinesq/
LOCATION:Campus de Jussieu salle 309 3e étage barre 15-16
CATEGORIES:Séminaire Analyse non linéaire et EDP
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Europe/Paris:20110125T113000
DTEND;TZID=Europe/Paris:20110125T123000
DTSTAMP:20260414T153207
CREATED:20110125T103000Z
LAST-MODIFIED:20211104T090217Z
UID:7984-1295955000-1295958600@www.math.ens.psl.eu
SUMMARY:Atomic-to-continuum derivation in Elasticity with interface energy
DESCRIPTION:I will present an atomic-to-continuum derivation in nonlinearelasticity. The atomistic model is based on a two-body interactionenergy\, with a potential of the Lennard-Jones type. Performing apointwise Taylor expansion\, we obtain a continuum model that predictselastic energy\, sharp-interface energy and smooth-interface energy. Thisalso gives a method to describe the configuration of the atoms betweentwo consecutive sharp interfaces\, which qualitatively agrees withexperiments in Ni-Mn alloys presenting microstructure.
URL:https://www.math.ens.psl.eu/evenement/atomic-to-continuum-derivation-in-elasticity-with-interface-energy/
LOCATION:Campus de Jussieu salle 309 3e étage barre 15-16.
CATEGORIES:Séminaire Analyse non linéaire et EDP
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