Article (Scientific journals)
On a class of micromechanical damage models with initial stresses for geomaterials
Levasseur, Séverine; Collin, Frédéric; Charlier, Robert et al.
2010In Mechanics Research Communications, 37, p. 38-41
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Keywords :
Damage; Initial stresses; Homogenization; Micromechanics; Geomaterials
Abstract :
[en] In this paper, we extend a class of micromechanical damage models by including initial stresses. The proposed approach is based on the solution of the Eshelby inhomogeneous inclusion problem in the presence of a prestress (in the matrix), adapted for elastic voided media. The closed form expression of the corresponding energy potential is used as the basis of various isotropic damage models corresponding to three standard homogenization schemes. These models are illustrated by considering isotropic tensile loadings with different initial stresses. Finally, still in the isotropic context, we provide an interpretation of the macroscopic damage model formulated by Halm-Dragon (1996) by briefly connecting it to the present study.
Disciplines :
Civil engineering
Author, co-author :
Levasseur, Séverine ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Collin, Frédéric  ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Charlier, Robert ;  Université de Liège - ULiège > Département Argenco : Secteur GEO3 > Géomécanique et géologie de l'ingénieur
Kondo, Djiémdo
Language :
English
Title :
On a class of micromechanical damage models with initial stresses for geomaterials
Publication date :
2010
Journal title :
Mechanics Research Communications
ISSN :
0093-6413
Publisher :
Pergamon Press - An Imprint of Elsevier Science
Volume :
37
Pages :
38-41
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 06 January 2010

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