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Singularities in mechanics :
formation, propagation, and microscopic description.




Introductory course: “Singularities in mechanics”


Lecturers
Jens Eggers, Department of Applied Mathematics, Bristol University
Christophe Josserand, CNRS and LMM, Université Paris VI
Laure Saint-Raymond, LJLL, Université Paris VI

Summary
I. Observation and mathematical modeling of singularities. Some classical examples.
- shocks in compressible hydrodynamics
- dynamics of traffic jams
- problems involving fronts and interfaces
II. Mathematical study of singular behaviours. The simple model of the Burgers equation.
- functional spaces taking into account shocks and discontinuities
- entropy and admissibility criteria
- viscosity solutions
III. Study of the blow-up. Some methods of mathematical physics.
- self-similar solutions
- asymptotic analysis
- connecting theory


Administrative information
Accredited by the masters Mécanique et ingénierie des systèmes and Mathématiques de la modélisation of the University Paris VI.
Duration : 24 hours (on 8 half-days)
Dates : wednesday 13h45-17h45, starting wednesday december 19th 2007
Validation for the master : preparation of a talk

Contact: Christophe Josserand.