A comparative review of XFEM, mixed FEM and phase-field models for quasi-brittle cracking
In this work, a critical comparison between three different numerical approaches for the
computational modelling of quasi-brittle structural failure is presented. Among the many …
computational modelling of quasi-brittle structural failure is presented. Among the many …
Numerical simulation of fracking in shale rocks: current state and future approaches
Extracting gas from shale rocks is one of the current engineering challenges but offers the
prospect of cheap gas. Part of the development of an effective engineering solution for shale …
prospect of cheap gas. Part of the development of an effective engineering solution for shale …
Cracking elements method for dynamic brittle fracture
The cracking elements (CE) method is a recently presented self-propagating strong
discontinuity embedded approach with the statically optimal symmetric (SDA-SOS) …
discontinuity embedded approach with the statically optimal symmetric (SDA-SOS) …
Improved XFEM for multiple crack analysis: Accurate and efficient implementations for stress intensity factors
LF Wen, R Tian, LX Wang, C Feng - Computer Methods in Applied …, 2023 - Elsevier
The extended finite element method (XFEM) has achieved unprecedented success in crack
analysis. However, challenges still remain for a multiple crack simulation. One issue is the …
analysis. However, challenges still remain for a multiple crack simulation. One issue is the …
Dynamic crack propagation with a variational phase-field model: limiting speed, crack branching and velocity-toughening mechanisms
We address the simulation of dynamic crack propagation in brittle materials using a
regularized phase-field description, which can also be interpreted as a damage-gradient …
regularized phase-field description, which can also be interpreted as a damage-gradient …
A peridynamic investigation on crushing of sand particles
Particle crushing underpins important macroscopic behaviour of granular materials such as
yielding, deformation, dilatancy, failure, mobility and packing features. The crushing …
yielding, deformation, dilatancy, failure, mobility and packing features. The crushing …
Modeling the dynamic and quasi-static compression-shear failure of brittle materials by explicit phase field method
The phase field method is a very effective method to simulate arbitrary crack propagation,
branching, convergence and complex crack networks. However, most of the current phase …
branching, convergence and complex crack networks. However, most of the current phase …
Numerical investigation of complex hydraulic fracture network in naturally fractured reservoirs based on the XFEM
The propagation of hydraulic fracture network in naturally fractured shale reservoirs remains
a complicated and challenging issue. To reveal the propagation principle of the complex …
a complicated and challenging issue. To reveal the propagation principle of the complex …
A comparative study and ABAQUS implementation of conventional and localizing gradient enhanced damage models
The conventional gradient models based on continuum damage mechanics are found to
exhibit inconsistencies in terms of damage initiation and growth. With the decrease in non …
exhibit inconsistencies in terms of damage initiation and growth. With the decrease in non …
Crack growth adaptive XIGA simulation in isotropic and orthotropic materials
Reliable prediction and thorough understanding of crack growth in engineering materials
and structures are of challenging problems, but scientific and technical community has been …
and structures are of challenging problems, but scientific and technical community has been …