(Lagrée P.-Y.)
LMM-Univ PARIS 6, B 162, 4 place Jussieu, 75252 PARIS
pyl(a)ccr.jussieu.fr http://www.lmm.jussieu.fr/~lagree/TEXTES/STENOSE/inria.html

CEA-EDF-INRIA & HaeMOdel school on the "Numerical Simulation of Blood Flows", December 2005 INRIA Rocquencourt.




Boundary layer flows in large vessels: or Simplified sets of Navier Stokes equations, application to Biomechanics.
updated version....




Related publications:

Pulsatile flow in arteries
  • P.-Y. Lagrée (2000):
    ''An inverse technique to deduce the elasticity of a large artery '',
    European Physical Journal, Applied Physics 9, pp. 153-163
     
  • Lagrée P-Y and Rossi M. (1996):
    ''Etude de l'écoulement du sang dans les artères: effets nonlinéaires et dissipatifs'',
    C. R. Acad. Sci. Paris, t322, Série II b, p401- 408, 1996.
     
  • P.-Y. Lagrée (1998):
    ''Modélisation de l'écoulement sanguin: mise en oeuvre d'une méthode inverse non invasive pour déterminer la viscosité et la compliance'',
    Congrès de biomécanique de Lyon 17-18 sept 98
    dans Archives of Physiology and Biochemistry Vol 106 supp B, septemb 98, p 110. Actes du congrès de Lyon
     
  • P.-Y. Lagrée & Rossi M. (1996):
    "Modélisation de l'écoulement sanguin et son utilisation dans le cadre d'une méthode inverse, aspects théoriques",
    dans Archives of Physiology and Biochemistry Vol 103 Numb 3 July 95, p 68. Actes du congrès de Lausanne.
     
    • Flow in stenozed vessels:
  • P.-Y. Lagrée & S. Lorthois (2005):
    "The RNS/Prandtl equations and their link with other asymptotic descriptions. Application to the computation of the maximum value of the Wall Shear Stress in a pipe",
    Int. J. Eng Sci., Vol 43/3-4 pp 352-378.
     
  • S. Lorthois, P.-Y. Lagrée, J.-P. Marc-Vergnes & F. Cassot. (2000):
    "Maximal wall shear stress in arterial stenoses: Application to the internal carotid arteries",
    Journal of Biomechanical Egineering, Volume 122, Issue 6, pp. 661-666.
     
  • Lorthois S. & Lagrée P.-Y. (2000):
    ''Écoulement dans un convergent axisymétrique: calcul de la contrainte de cisaillement pariétal maximale/
    Flow in a axisymmetric convergent: evaluation of maximum wall shear stress'',
    C. R. Acad. Sci. Paris, t328, Série II b, p33-40, 2000
     
  • de Bruin, P.-Y. Lagrée, Lorthois S, Vilain C, Veldman AEP (2001):
    "Comparison of Navier Stokes and Reduced Navier Stokes unsteady computation in a stenosis",
    Archives of Physiology and Biochemistry V109, 09/2001 p79
    Marseille Poster en pdf

  • P.-Y. Lagrée & S. Lorthois (1999):
    ''Interacting Boundary layer flow in a stenosis'',
     Congrès de biomécanique de Beaune 15-17 sept 98
    dans Archives of Physiology and Biochemistry Vol 107   sept 99, p 51.
    Actes du congrès de Beaune

  • P.-Y. Lagrée (1998):
    ''Écoulement dans un anévrisme: comparaison de différentes méthodes de type couche limite'',
     Congrès de biomécanique de Lyon 17-18 sept 98
     dans Archives of Physiology and Biochemistry Vol 106 supp B, septemb 98, p 42.
    Actes du congrès de Lyon
     
    • Obstructive Sleep Apnea/ Glottis
  • P.-Y. Lagrée A. Van Hirtum & X. Pelorson (2006):
    "Asymmetrical effects in a 2D stenosis", European Journal of Mechanics, B/ Fluids.
     
  • A. Van Hirtum, X. Pelorson & P.-Y. Lagrée (2005):
    "In-vitro validation of some flow assumptions for the prediction of the pressure distribution during obstructive sleep apnea",
    Medical & biological engineering & computing, no 43(1) pp. 162-171.
     
  • P.-Y. Lagrée, E. Berger, M. Deverge, C. Vilain & A. Hirschberg (2005):
    "Characterization of the pressure drop in a 2D symmetrical pipe: some asymptotical, numerical and experimental comparisons",
    ZAMM: Z. Angew. Math. Mech. 85, No. 2, pp. 141-146.
     
  • P.-Y. Lagrée & A. Van Hirtum (2004):
    "Asymmetrical effects in a 2D flow, application to Pharyngeal fluid flow in obstructive sleep apnea channel",
    Archives of Physiology and Biochemistry, vol 112, 09/2004 p 119.
    Créteil pres. pdf

  • M. Deverge, X. Pelorson, C. Vilain, P.-Y. Lagrée, F. Chentouf, J. Willems & A. Hirschberg (2003):
    "Influence of the collision on the flow through in-vitro rigid models of the vocal folds".
    J. Acoust. Soc. Am. 114 , pp. 3354 - 3362.
     
  • P.-Y. Lagrée & K. Goorman, (2001):
    "The flow in the glottis: self oscillation of a 2D elastic stenosis",
    Archives of Physiology and Biochemistry V109, 09/2001 p 80.
    Marseille Poster en pdf

    • à jour 12/05, 05/06