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  (279)

  • Séminaire PMMH - Doron Grossman (Collège de France)
    Vendredi 17 janvier 11:00-12:00 - Salle réunion PMMH 1
    From Molecules to Helical Ribbons - Shape and Shape Fluctuations
    * Self assembly of molecules into supramolecular structures is an important process through which non trivial structures are formed in nano-metric scale. The resulting structure depends on chemical and physical principles that govern the process, and may be sensitive to the exact conditions in which they are (...)
  • Séminaire PMMH- Kristina Davitt (ENS)
    Vendredi 24 janvier 11:00-12:00 - Salle réunion PMMH 1
    Wetting hysteresis and dynamics : interpreting dissipation mechanisms at the contact line
    A liquid moving over a solid substrate is an everyday occurrence, and the hysteresis and dynamics of the three-phase contact line have been measured in innumerable experiments over the years. In addition, the ingredients needed to describe the phenomenon are known : in the most basic picture, there is viscous (...)
  • Séminaire PMMH- Dwight Barkley (University of Warwick)
    Vendredi 31 janvier 11:00-12:00 - Salle réunion PMMH 1
    A fluid mechanic's analysis of the tea-cup singularity
    In 1926 Einstein published a short paper explaining the meandering of rivers. He famously began the paper by discussing the secondary flow generated in a stirred tea cup — the flow now widely known to be responsible for the collection of tea leaves at the center of a stirred cup of tea. In 2014, Luo and Hou (...)
  • Séminaire PMMH- Elisabeth Guazzelli (MSC)
    Vendredi 7 février 11:00-12:00 - Salle réunion PMMH 1
    Particle motion in vortical flows
    In many natural phenomena or industrial applications, heavy particles are transported in complex flows. The flow structures may happen to promote the stirring and dispersion of the particles. But the opposite can also take place and the flow configuration may contribute to the focussing and accumulation of (...)
  • Séminaire PMMH- Paulo E. Arratia (UPenn)
    Vendredi 28 février 11:00-12:00 - Salle réunion PMMH 1
    A microstructural view of yielding and plasticity in 2D disordered materials
    When stressed sufficiently, amorphous materials yield and deform plastically via reorganization of microscopic constituents. Despite much effort, understanding the interdependence of yielding, plasticity, and microscopic structure in non-equilibrium states (i.e. under stress) remains a major challenge. In this (...)
  • Séminaire PMMH, Arthur Lebée ENPC
    Vendredi 6 mars 11:00-12:00 - Salle réunion PMMH 1
    Continuum elasticity of Miura Tessellations
    Origami tessellations are curved two-dimensional discrete shells folded out of a periodic crease pattern. Unlike solid shells, Origami tessellations can morph and access a space of configurations each characterized by the list of folding angles of all creases. Due to inextensibility constraints imposed by Origami (...)
  • Séminaire PMMH - Chung-Yuen Hui (Cornell University)
    Vendredi 13 mars 11:00-12:00 - Salle réunion PMMH 1
    Mechanical Properties of Fiber-Reinforced Soft Composites
    In this talk I will focus on an emerging class of fiber reinforced composites where the matrix is extremely soft and tough. For example, an upper estimate for fiber/matrix modulus ratio in traditional fiber reinforced polymer composites is at most 100. Matrices made from tough elastic gels can have modulus (...)
  • Séminaire PMMH-Cécile Sykes (Institut Curie, Paris)
    Vendredi 27 mars 11:00-12:00 - Salle réunion PMMH 1
    Active or passive deformation of the cell membrane supplied by actin assembly. Perpectives on nucleus deformation
    In all cell functions, a common observation is that cytoskeleton assembly correlates with membrane deformation based on active forces. The exact role, in particular, of the actin cytoskeleton in cell membrane deformation, with pushing or pulling forces, is what we address both experimentally and theoretically. We (...)
  • Séminaire PMMH - test
    Vendredi 26 février 2021 11:00-12:00 - Salle réunion PMMH 1

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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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