Computational methods for fracture in brittle and quasi‐brittle solids: state‐of‐the‐art review and future perspectives

T Rabczuk - International Scholarly Research Notices, 2013 - Wiley Online Library
An overview of computational methods to model fracture in brittle and quasi‐brittle materials
is given. The overview focuses on continuum models for fracture. First, numerical difficulties …

Multiscale modeling of material failure: Theory and computational methods

PR Budarapu, X Zhuang, T Rabczuk… - Advances in applied …, 2019 - Elsevier
Material behavior and microstructure geometries at small scales strongly influence the
physical behavior at higher scales. For example, defects like cracks and dislocations evolve …

Phase field modeling of quasi-static and dynamic crack propagation: COMSOL implementation and case studies

S Zhou, T Rabczuk, X Zhuang - Advances in Engineering Software, 2018 - Elsevier
The phase-field model (PFM) represents the crack geometry in a diffusive way without
introducing sharp discontinuities. This feature enables PFM to effectively model crack …

Meshfree methods: progress made after 20 years

JS Chen, M Hillman, SW Chi - Journal of Engineering Mechanics, 2017 - ascelibrary.org
In the past two decades, meshfree methods have emerged into a new class of computational
methods with considerable success. In addition, a significant amount of progress has been …

Phase field modelling of crack propagation, branching and coalescence in rocks

S Zhou, X Zhuang, H Zhu, T Rabczuk - Theoretical and Applied Fracture …, 2018 - Elsevier
We present a phase field model (PFM) for simulating complex crack patterns including crack
propagation, branching and coalescence in rock. The phase field model is implemented in …

Isogeometric analysis of large-deformation thin shells using RHT-splines for multiple-patch coupling

N Nguyen-Thanh, K Zhou, X Zhuang, P Areias… - Computer Methods in …, 2017 - Elsevier
We present an isogeometric thin shell formulation for multi-patches based on rational
splines over hierarchical T-meshes (RHT-splines). Nitsche's method is employed to …

Three-dimensional numerical study on the failure characteristics of intermittent fissures under compressive-shear loads

YT Wang, XP Zhou, MM Kou - Acta Geotechnica, 2019 - Springer
A 3-D conjugated bond-pair-based peridynamic model is developed to comprehensively
investigate failure characteristics of rock-like materials with intermittent fissures in the …

Static, free vibration, and buckling analysis of laminated composite Reissner–Mindlin plates using NURBS‐based isogeometric approach

CH Thai, H Nguyen‐Xuan… - International Journal …, 2012 - Wiley Online Library
This paper presents a novel numerical procedure based on the framework of isogeometric
analysis for static, free vibration, and buckling analysis of laminated composite plates using …

Isogeometric analysis using polynomial splines over hierarchical T-meshes for two-dimensional elastic solids

N Nguyen-Thanh, H Nguyen-Xuan, SPA Bordas… - Computer Methods in …, 2011 - Elsevier
Isogeometric analysis has become a powerful alternative to standard finite elements due to
its flexibility in handling complex geometries. One of the major drawbacks of NURBS-based …

Efficient coarse graining in multiscale modeling of fracture

PR Budarapu, R Gracie, SW Yang, X Zhuang… - Theoretical and Applied …, 2014 - Elsevier
We propose a coarse-graining technique to reduce a given atomistic model into an
equivalent coarse grained continuum model. The developed technique is tailored for …