A multi-scaling approach to predict hydraulic damage of poromaterials
Karrech, A., Schrank, Christoph, Freij-Ayoub, R., & Regenauer-Lieb, K. (2014) A multi-scaling approach to predict hydraulic damage of poromaterials. International Journal of Mechanical Sciences, 78, pp. 1-7.
The purpose of this paper is to introduce the concept of hydraulic damage and its numerical integration. Unlike the common phenomenological continuum damage mechanics approaches, the procedure introduced in this paper relies on mature concepts of homogenization, linear fracture mechanics, and thermodynamics. The model is applied to the problem of fault reactivation within resource reservoirs. The results show that propagation of weaknesses is highly driven by the contrasts of properties in porous media. In particular, it is affected by the fracture toughness of host rocks. Hydraulic damage is diffused when it takes place within extended geological units and localized at interfaces and faults.
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|Item Type:||Journal Article|
|Keywords:||Hydraulic Damage, Coupled Systems, Hydro-mechanics, Geomaterials|
|Divisions:||Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Deposited On:||26 Mar 2014 01:10|
|Last Modified:||31 Mar 2014 02:55|
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