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Soft or Slender: mechanics of Nature-inspired, highly deformable bodies

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Next student seminar :
Access to the program

Here you can find information about your internships:
Experimental Internship - Undergraduate program
Master ICFP first year Internship

News : ICFP Research seminars
November 14 - 18, 2022 :

All information about the program

Contact us - Student support and Graduate School office :
Tél : 01 44 32 35 60
enseignement@phys.ens.fr

Faculty : Etienne Reyssat (CNRS ESPCI) + Tristan Baumberger (SU prof)

Tutor :

ECTS credits : 3

Language of instruction : English

Examination: the grades will be based on two components:
1/3 will be based on the oral presentation of a kitchen experiment by pairs of students.
2/3 will be on the discussion of a research article or a more classical written problem solving.

Description :
« La chétive pécore, s’enfla si bien qu’elle creva ». « Je plie, et ne romps pas ». While taking inspiration from the living, La Fontaine noticed examples of organisms – frog and reed – that deform strongly, sometimes beyond unrecoverable limits.

Spectacular changes in shapes may emerge either because materials are soft enough to undergo large deformations (gels, elastomers, living tissues…) or because the structures are slender enough to allow for large displacements (filaments, membranes…). Both situations are ubiquitous among living organisms, from tendons, muscles and arterial membranes, to the pads of the gecko lizard and elongated tree branches.

Starting from the basics of elasticity, we will put emphasis on the relevant length and time scales specific to soft matter. Using examples primarily inspired from Nature, we will illustrate the relationship between some ingenious textures and structures and their mechanical performances. Our journey will confront us with those phenomena (adhesion, friction, fracture, shape conformation and morphology changes) living bodies have managed to deal with in order to perform their fundamental tasks (locomotion, nutrition, reproduction…).

Quick links

Next student seminar :
Access to the program

Here you can find information about your internships:
Experimental Internship - Undergraduate program
Master ICFP first year Internship

News : ICFP Research seminars
November 14 - 18, 2022 :

All information about the program

Contact us - Student support and Graduate School office :
Tél : 01 44 32 35 60
enseignement@phys.ens.fr