Emmanuel Promayon

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PB08

E. Promayon, P. Baconnier. A 3D Discrete Model of the Diaphragm and Human Trunk. In Lung Modelling, L. Boudin, C. Grandmont, Y. Maday, B. Maury, J. -F. Gerbeau (eds.), Volume 23, Pages 66-77, July 2008.

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Abstract

In this paper, a 3D discrete model is presented to model the movements of the trunk during breathing. In this model, objects are represented by physical particles on their contours. A simple notion of force generated by a linear actuator allows the model to create forces on each particle by way of a geometrical attractor. Tissue elasticity and contractility are modeled by local shape memory and muscular fibers attractors. A specific dynamic MRI study was used to build a simple trunk model comprised of by three compartments: lungs, diaphragm and abdomen. This model was registered on the real geometry. Simulation results were compared qualitatively as well as quantitatively to the experimental data, in terms of volume and geometry. A good correlation was obtained between the model and the real data. Thanks to this model, pathology such as hemidiaphragm paralysis can also be simulated

Keywords

[ Respiration ] [ Softtissue ]

Contact

Emmanuel Promayon http://membres-timc.imag.fr/Emmanuel.Promayon

BibTex Reference

@InProceedings{PB08,
   Author = {Promayon, E. and Baconnier, P.},
   Title = {A 3{D} Discrete Model of the Diaphragm and Human Trunk},
   Journal = {ESAIM: PROCEEDINGS},
   BookTitle = {Lung Modelling},
   Howpublished = {Workshop Modelling of the Respiratory System Biomechanical, Computational and Mathematical Aspects, Paris},
   editor = {Boudin, L. and Grandmont, C. and Maday, Y. and Maury, B. and -F. Gerbeau, J.},
   Volume = {23},
   Pages = {66--77},
   Month = {July},
   Year = {2008}
}

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