Pierre Saramito: research interests

     

Fig. 1 : [left] A viscoelastic fluid (e.g. a liquid polymer) flowing through an abrupt contraction ;
[right] A yield stress fluid (e.g. mud) flowing around an obstacle ; mesh technics
Click on the images to enlarge and get more comments.

This includes some theoretical researches

• Efficient time-dependent algorithms for viscoelastic fluid flows
  with Driss Esselaoui and Mohammed Bensaada (Kenitra, Maroco) and Jocelyn Étienne (Cambridge, UK).
• Adaptive finite elements for viscoplastic fluid flows.
• C++ numerical libraries and software components: new concepts and developments.

and some applications

• Simulation of foam flows
  with François Graner (LSP, Grenoble) and Ibrahim Cheddadi (PhD, LJK Grenoble).
  See also Ibrahim Cheddadi home page.
  

  Fig. 2 : Foam flow around an obstacle: (top) simulation; (bottom) experiment.

  • Click here for a numerical simulation based video animation due to I. Cheddadi (gif, 0.7 mb).
  • Click here for an experimental observation based video animation due to M. Asipauskas (avi, 24 mb): bubbles are colored according to the number of sides: blue=7, red=5.
• Numerical modelling of red blood cells and vesicule membranes
  with Aymen Laadhari (PhD, LJK Grenoble).
• Simulation of volcanic lava flows (starting)
  with Claude Smutek (IPGP, Saint-Denis de La Réunion) and Benoit Cordonnier (LMU, Munchen, Germany).
  See also the INRIA MOISE project home page.

Previous research interests and applications

• Numerical simulation of powder-snow avalanches in mountains
  with Emil Hopfinger (LEGI, Grenoble), Marie Rastello(ENS, Lyon) and Jocelyn Étienne (Cambridge, UK).
  See also Jocelyn Étienne home page.
  
  

  Fig. 3 : Snow avalanche with aerosol and mesh adaptation (click on the images to enlarge).

  • Click here for watching a direct simulation of snow avalanche (gif, 7.6 mb).
  • Click here for a real movie where I present some new results on snow avalanches simulation (wmv, 49 mb).
  • Risques d'avalanches élevés : explication.
    Intervention à l'édition nationale du journal télévisé de la chaîne FR3, le 24 février 2006, 12h-14h : cliquez ici (wmv, 6.7 mb).
• Numerical simulation of mud flows
  with Dominique Laigle, Mohammed Naim (Cemagref), Marie-Paul Cani, Fabrice Neyret (Gravir, Grenoble).
  See also the INPG BQR repport and the former INRIA IDOP project home page (broken link).
• Adaptive mesh for the epitaxial grown of cristal films
  with Éric Bonnetier and (PhD, LJK, Grenoble).
  See also the IMAG PIF project home page.
• Direct simulation of the motion of particles in flowing liquids (NSF project)
  with Daniel D. Jospeh and Roland Glowinski.
• Structures and Instabilities in Geophysic and Mecanic: Analysis and Simulation.
  See also the former IMAG SIGMAS project home page (broken link).