PMMH Seminars

PMMH’s weekly seminar is held every Friday at 11am

Contact :
Benoit Semin
Sylvain Patinet
Etienne Reyssat
responsables-seminaires (arobase) pmmh.espci.fr

PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France

Tel : (33) 1 40 79 45 22

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Seminars  (278)

  • Michael L. Falk (Johns Hopkins University)
    Vendredi 20 juin 2014 11:00-12:00 - Bureau d'Etudes
    Relating Continuum, Mesoscale and Atomistic Models of Amorphous Plastic Response
    In this informal seminar I plan to discuss the issues at stake in understanding how amorphous materials respond to stress. I will briefly introduce the ways that atomistic simulation techniques like molecular dynamics and athermal quasistatic shear are used to investigate disordered materials. I will also review (...)
  • James Hanna (Virginia Polytechnic Institute and State University)
    Vendredi 27 juin 2014 11:00-12:00 - A4 (Langevin)
    Metrically constrained dynamics : lariats, chain siphons, and whirling skirts
    The dynamics of classical, inextensible strings and sheets are in some sense intermediate between those of point particles and rigid bodies. I will discuss simple models of these highly flexible bodies, focusing on the inertial dynamics of curves and surfaces with metric constraints. Symmetries of these (...)
  • Eric Furst (University of Delaware)
    Vendredi 4 juillet 2014 11:00-12:00 - Bureau d'Etudes
    Directing colloidal self-assembly with toggled fields
    Suspensions of polarizable colloids are expected to form crystalline equilibrium phases when exposed to a steady, uniform field. However, when colloids become localized this field-induced phase transition arrests and the suspension persists indefinitely as a kinetically trapped, percolated structure. The (...)
  • Douglas J. Durian (University of Pennsylvania)
    Vendredi 11 juillet 2014 11:00-12:00 - Bureau d'Etudes
    The role of bubble shape in the coarsening of wet 2d foams
    We report on the statistics of bubble size, topology, and shape and on their role in the coarsening dynamics for foams consisting of bubbles compressed between two parallel plates. The design of the sample cell permits control of the liquid content, through a constant pressure condition set by the height of the (...)
  • Pierre Recho (Institut Curie)
    Vendredi 5 septembre 2014 11:00-12:00 - Bureau d'Etudes
    Contraction-driven cell motility
    We propose a mechanism for the initiation of cell motility that is based on myosin-induced contraction and does not require actin polymerization. The translocation of a cell is induced by symmetry breaking of the motor-driven flow, and the ensuing asymmetry gives rise to a steady motion of the center of mass of a (...)
  • Ernesto Altshuler (University of Havana, Cuba)
    Vendredi 12 septembre 2014 11:00-12:00 - Bureau d'Etudes
    Extraterrestial sink dynamics in granular matter
    While the penetration of objects into granular media is well-studied, there is relatively little understanding of how objects settle in gravities, geff, different from that of Earth—a scenario potentially relevant to the geomorphology of planets and asteroids and also to their exploration using man-made devices. (...)
  • Manoj Chaudhury (Lehigh University)
    Vendredi 19 septembre 2014 11:00-12:00 - Bureau d'Etudes
    Directed Motion of drops with Interfacial Contact
    We study the motion of small liquid drops on a surface when they are subjected to surface energy gradient, and or an external vibration (stochastic or structured). We study how the non-linear hysteresis rectify the imposed vibration. An interesting case is the random coalescence of condensed drops on a surface (...)
  • Journée Jean-Pierre Hulin, pas de séminaire PMMH
    Vendredi 26 septembre 2014 11:00-12:00 - Bureau d'Etudes
  • Henrik Bruus (DTU, Denmark)
    Vendredi 3 octobre 2014 11:00-12:00 - Bureau d'Etudes
    Theoretical aspects of acoustofluidics : Streaming, radiation forces, and thermoviscous effects
    Inspired by the current increase in applications of acoustophoresis in biochip systems, my research group has conducted several theoretical and numerical studies of the basic physics of acoustofluidics including streaming, radiation forces, and thermoviscous effects. At the seminar an overview of our results will (...)
  • Fête de la Science au PMMH
    Vendredi 10 octobre 2014 11:00-12:00 - Bureau d'Etudes

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Information for the speakers

The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.


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Practical information

Laboratoire : 01 40 79 45 22
Directeur : Damien Vandembroucq
Codirecteur : Philippe Petitjeans
Administratrice : Frédérique Auger (01 40 79 45 22)
Gestionnaire : Claudette Barez (01 40 79 58 53)
Courriel : dir (arobase) pmmh.espci.fr

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