2007
DOI: 10.1002/nag.595
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Homogenized constitutive laws for rocks with elastoplastic fractures

Abstract: SUMMARYThis work deals with the development of a constitutive law for fractured rocks. Fractures are considered as penny-shaped inclusions, whose constitutive law is deduced from an interface law and a regularization procedure. Such a method is applied to linear and non-linear interface behaviours in order to reproduce effects such as an increase in stiffness during fracture closing, dilatancy or asperity surface degradation. Then, considering the fractured rock as a composite material, we use a Mori-Tanaka me… Show more

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Cited by 8 publications
(6 citation statements)
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“…Only few references (Koutsabeloulis et al, 1994;Guttierez et al, 1997;Lewis and Ghafouri, 1997;Lewis and Pao, 2002;Marmier et al, 2006;Bagheri and Settari, 2008) are related to the integration of geomechanics in doubleporosity reservoir simulation. The assessment of such effects is usually carried out on very simple reservoir configurations and the applied methodology is not yet commonly implemented for the study of a real field case.…”
Section: Implementation Of Geomechanics In Fractured Reservoir Simulamentioning
confidence: 99%
“…Only few references (Koutsabeloulis et al, 1994;Guttierez et al, 1997;Lewis and Ghafouri, 1997;Lewis and Pao, 2002;Marmier et al, 2006;Bagheri and Settari, 2008) are related to the integration of geomechanics in doubleporosity reservoir simulation. The assessment of such effects is usually carried out on very simple reservoir configurations and the applied methodology is not yet commonly implemented for the study of a real field case.…”
Section: Implementation Of Geomechanics In Fractured Reservoir Simulamentioning
confidence: 99%
“…The present paper deals with the calculation of the mechanical effect of this second type of cracks. An abundant literature is devoted to the modeling of a medium with pervasive micro-cracks considering various characteristics of the latter, whether they are open or closed non-frictional (Kachanov, 1992(Kachanov, , 1993Leblond, 2000;Dormieux et al, 2006), frictional (Leguillon and Sanchez-Palencia, 1982;Andrieux et al, 1986), dilatant (Barthélémy et al, 2003;Marmier et al, 2007), propagating Gambarotta and Lagomarsino, 1993;Barthélémy, 2005;Zhu et al, 2007), dry or fluid filled or combining several characteristics in the cited papers and many others.…”
Section: Introductionmentioning
confidence: 97%
“…This is also the case for frictional cracks in an incremental formulation (Barthélémy et al, 2003;Marmier et al, 2007). The determination of this additional compliance can be obtained by homogenization methods allowing to estimate the relative displacement of the crack lips when the r.v.e.…”
Section: Introductionmentioning
confidence: 99%
“…The poroelastic dual porosity model was then developed based on an extension of the single poroelastic Biot theory by various researchers. [9][10][11][12] In the present paper, the idealized sugar cube dual porosity model is represented employing the homogenization multiscale approach. The technique is based on the Hill-Mandel theory of macrohomogeneity, 13 which is performed in 2 separated scales, called the "microscale" and "macroscale" levels.…”
Section: Introductionmentioning
confidence: 99%