Extended finite element method (XFEM) analysis of fiber reinforced composites for prediction of micro-crack propagation and delaminations in progressive damage: a …
Various methodologies and frameworks have been developed for extended finite element
method (XFEM) to simulate two-dimensional and three-dimensional microcrack initiation …
method (XFEM) to simulate two-dimensional and three-dimensional microcrack initiation …
A micromechanical investigation for the effects of pore size and its distribution on geopolymer foam concrete under uniaxial compression
This study investigates the influences of pore-structure and mortar properties on the fracture
behaviour of geopolymer foamed concrete. The discrete element method (DEM) is utilised to …
behaviour of geopolymer foamed concrete. The discrete element method (DEM) is utilised to …
Numerical insights into the effect of ITZ and aggregate strength on concrete properties
H Zhao, Z Wu, A Liu, L Zhang - Theoretical and Applied Fracture Mechanics, 2022 - Elsevier
Mechanical properties of concrete are highly dependent on its components. Consequently, a
comprehensive understanding of the effects of aggregate and interfacial transition zone on …
comprehensive understanding of the effects of aggregate and interfacial transition zone on …
DEM analysis on the role of aggregates on concrete strength
This study aims to understand the micro-mechanisms that drive fracture propagation in
concrete and to assess the roles of the strength of aggregates and of the aggregate/mortar …
concrete and to assess the roles of the strength of aggregates and of the aggregate/mortar …
Study on creep characteristics and nonlinear fractional-order damage constitutive model of weakly cemented soft rock
W Ru, S Hu, A Zhou, P Luo, H Gong, C Zhang… - Rock Mechanics and …, 2023 - Springer
Weakly cemented soft rock (WCSR) strata are widespread in Western China, and their creep
characteristics with geo-stress change significantly affect coal mine safety production. To …
characteristics with geo-stress change significantly affect coal mine safety production. To …
A numerical approach to investigate the effects of rock texture on the damage and crack propagation of a pre-cracked granite
M Saadat, A Taheri - Computers and Geotechnics, 2019 - Elsevier
A grain-based distinct element model (GBM) is used to investigate the influence of grain size
on the fracturing response of pre-cracked granite. A cohesive model is developed and …
on the fracturing response of pre-cracked granite. A cohesive model is developed and …
A cohesive viscoelastic-elastoplastic-damage model for DEM and its applications to predict the rate-and time-dependent behaviour of asphalt concretes
NHT Nguyen, HH Bui - International Journal of Plasticity, 2022 - Elsevier
Asphalt concrete is a composite heterogeneous material comprised of aggregates bonded
together by bitumen binder. The mechanical behaviour of this material shows great …
together by bitumen binder. The mechanical behaviour of this material shows great …
Brittle-ductile failure transition in geomaterials modeled by a modified phase-field method with a varying damage-driving energy coefficient
With elevated confining pressure and low temperatures, geomaterials may exhibit brittle-to-
ductile failure transition due to increased cataclastic flow. In this work, we propose a …
ductile failure transition due to increased cataclastic flow. In this work, we propose a …
Phase field fracture in elasto-plastic solids: a length-scale insensitive model for quasi-brittle materials
Phase-field methods for fracture have been integrated with plasticity for better describing
constitutive behaviours. In most of the previous phase-field models, however, the length …
constitutive behaviours. In most of the previous phase-field models, however, the length …
Characteristics and failure analysis of a railway tunnel collapse influenced by cavity in phyllite strata
Tunnelling in phyllite strata with cavity is prone to collapse even with reasonable
construction design. Based on a railway tunnel collapse influenced by cavity in phyllite …
construction design. Based on a railway tunnel collapse influenced by cavity in phyllite …