Reference : Parameter identification problem in bimaterial human skin and sensitivity analysis : ...

	Document type :	Scientific congresses, symposiums and conference proceedings : Unpublished conference
	Discipline(s) :	Engineering, computing & technology : Multidisciplinary, general & others
	To cite this reference:	http://hdl.handle.net/10993/41915

Title :	Parameter identification problem in bimaterial human skin and sensitivity analysis : Uncertainties in biomechanics of skin
Language :	English
Author, co-author :	Sutula, Danas [Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France. > Department of Applied Mechanics]
	Elouneg, Aflah [Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France > Department of Applied Mechanics]
	Sensale, Marco [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit > ; Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France > Department of Applied Mechanics]
	Chouly, Franz [Univ. Bourgogne Franche-Comté, Institut de Mathématiques de Bourgogne, Dijon, France]
	Chambert, Jérôme [Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France > Department of Applied Mechanics]
	Lejeune, Arnaud [Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France > Department of Applied Mechanics]
	Baroli, Davide [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
	Hauseux, Paul [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
	Bordas, Stéphane [University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Engineering Research Unit >]
	Jacquet, Emmanuelle [Univ. Bourgogne Franche-Comté, FEMTO-ST Institute, Besançon, France > Department of Applied Mechanics]
Publication date :	9-Dec-2019
Peer reviewed :	No
Event name :	24ème Congrès Français de Mécanique
Event date :	from 26-08-2019 to 30-08-2019
Keywords :	[en] Mechanical behaviour ; Human skin ; Inverse method
Abstract :	[en] The proposed paper concerns the prediction of the numerical response of a biomechanical structure submitted to an unknown external loading state. The methodology is based on homogeneous and then heterogeneous structures such as healthy or pathological cutaneous tissues that can be mechanically tested in vivo under a patchy knowledge of boundary conditions. Experimental data corresponding to the extension of a piece of skin located between two pads with displacement enslavement, represent input data to the numerical model. Data are reaction force on one pad and displacement field between the two pads and all around. The numerical model consists of a representation of the bi-material domain geometry with neo-hookean behaviors. The boundary conditions and loadings of the experimental extension test are imposed. The materials parameters have been identified by inverse method starting from a constrained cost function minimizing the difference between the calculated displacements field and experimental displacements field obtained by digital image correlation and taking into account the reaction force as a constraint. An analysis of the model sensitivity to material parameters is presented.
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/41915

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