Coupled seepage-damage effect in fractured rock masses: Model development and a case study

Y Zhao, Q Liu, C Zhang, J Liao, H Lin… - International Journal of …, 2021 - Elsevier
The stability of rock engineering is generally dominated by existing seepage, particularly the
seepage evolution due to the rock masses damage. However, the current research …

Integrated Finite Element Neural Network (I-FENN) for non-local continuum damage mechanics

P Pantidis, ME Mobasher - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
We present a new Integrated Finite Element Neural Network framework (I-FENN), with the
objective to accelerate the numerical solution of nonlinear computational mechanics …

A consistent phase field model for hydraulic fracture propagation in poroelastic media

LP Yi, H Waisman, ZZ Yang, XG Li - Computer Methods in Applied …, 2020 - Elsevier
We present a novel phase field method for modeling hydraulic fracture propagation in
poroelastic media. In this approach, a new phase field evolution equation is derived to …

Hydraulic fracturing phase-field model in porous viscoelastic media

D Yi, Z Yang, L Yi, J Liu, C Yang, D Zhang, H Du… - International Journal of …, 2024 - Elsevier
The mechanical behavior of shale exhibits pronounced time-dependent nonlinearity.
Existing phase-field models are inadequate for evaluating the fluid-driven fracture …

On the forced resonant vibration analysis of functionally graded polymer composite doubly-curved nanoshells reinforced with graphene-nanoplatelets

B Karami, D Shahsavari - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
The proposed work fills a gap of investigation on forced resonant vibration analysis of
graphene nanoplatelets (GNPs) reinforced functionally graded polymer composite (FG-PC) …

A finite element model for the thermo-elastic analysis of functionally graded porous nanobeams

AI Aria, T Rabczuk, MI Friswell - European Journal of Mechanics-A/Solids, 2019 - Elsevier
In this study, for the first time, a nonlocal finite element model is proposed to analyse thermo-
elastic behaviour of imperfect functionally graded porous nanobeams (P-FG) on the basis of …

A polygonal XFEM with new numerical integration for linear elastic fracture mechanics

HD Huynh, MN Nguyen, G Cusatis, S Tanaka… - Engineering Fracture …, 2019 - Elsevier
The extended finite element method (XFEM) has become a powerful and effective technique
for modeling fracture problems without remeshing. In this paper, we introduce a novel and …

On differences and comparisons of peridynamic differential operators and nonlocal differential operators

X Kan, J Yan, S Li, AM Zhang - Computational Mechanics, 2021 - Springer
In recent years, two types of nonlocal differential operators and their theories and
formulations have been proposed and used in numerical modeling and computations …

Phase field model for simulating hydraulic fracture propagation and oil–water two-phase flow in reservoir

D Zhang, L Yi, Z Yang, X Li, F Zhang - Computer Methods in Applied …, 2023 - Elsevier
A novel phase field model of two-phase fluid flow based on the interaction between solid
and pore fluids for modelling hydraulic fracture propagation in poro-elastic media is …

Enriched three-field numerical manifold formulation for dynamics of fractured saturated porous media

W Wu, H Zheng, Y Yang - Computer Methods in Applied Mechanics and …, 2019 - Elsevier
In terms of the three-field (uwp) formulation of Biot's theory of saturated porous media with
incompressible solid and fluid phases, the numerical manifold method (NMM) models are …