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Heterogeneities in fluid mechanics

[Moved Online] Recent Developments in Fluid Dynamics April 12, 2021 - April 30, 2021

April 13, 2021 (09:00 AM PDT - 09:50 AM PDT)
Speaker(s): Didier Bresch (Université de Savoie (Chambéry); Centre National de la Recherche Scientifique (CNRS))
Location: MSRI: Online/Virtual
  • Weak regularity

  • fluid mechanics

  • geophysics

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Pressure law which depends on the density and on time and space variables $t$ and $x$ for compressible flows or anelastic constraint on the velocity field in the incompressible setting for the rate of flow are examples of heterogeneities that may complicate mathematical analysis in the weak regularity context. I will explain different mathematical difficulties occuring in such situations and new developments recently obtained in collaboration with P.-E. Jabin and F. Wang.

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