Daobing Wang1, Fang Shi2,*, Hao Qin1,*, Dongliang Sun1, Bo Yu1
CMES-Computer Modeling in Engineering & Sciences, Vol.126, No.3, pp. 891-914, 2021, DOI:10.32604/cmes.2021.014206
Abstract In this study, we use the extended finite element method (XFEM) with a consideration of junction enrichment
functions to investigate the mechanics of hydraulic fractures related to naturally cemented fractures. In the
proposed numerical model, the lubrication equation is adopted to describe the fluid flow within fractures. The
fluid-solid coupling systems of the hydraulic fracturing problem are solved using the Newton-Raphson method.
The energy release rate criterion is used to determine the cross/arrest behavior between a hydraulic fracture (HF)
and a cemented natural fracture (NF). The failure patterns and mechanisms of crack propagation at the intersection
of natural fractures are… More >
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