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 …
Three-dimensional phase-field modeling of mode I+ II/III failure in solids
One major merit of phase-field models for fracture is that cracks nucleation, propagation,
branching, merging, coalescence and even fragmentation, etc., can be accounted for …
branching, merging, coalescence and even fragmentation, etc., can be accounted for …
固体结构损伤破坏统一相场理论, 算法和应用
吴建营 - 力学学报, 2021 - lxxb.cstam.org.cn
固体开裂引起的损伤和断裂是工程材料和结构最为普遍的破坏形式. 为了防止这种破坏,
结构设计首先必须了解裂缝在固体内如何萌生, 扩展, 分叉, 汇聚甚至破碎; 更重要的是 …
结构设计首先必须了解裂缝在固体内如何萌生, 扩展, 分叉, 汇聚甚至破碎; 更重要的是 …
An efficient adaptive length scale insensitive phase-field model for three-dimensional fracture of solids using trilinear multi-node elements
As a diffused fracture theory, phase-field models can seamlessly simulate complex crack
patterns such as extending, branching, and merging. Despite the success of phase-field …
patterns such as extending, branching, and merging. Despite the success of phase-field …
3D concurrent multiscale model for crack propagation in concrete
A new approach for concurrent multiscale modeling of three-dimensional crack propagation
in concrete is proposed. A macroscopic model with homogenized elastic parameters is …
in concrete is proposed. A macroscopic model with homogenized elastic parameters is …
Adaptive consistent element-free Galerkin method for phase-field model of brittle fracture
Y Shao, Q Duan, S Qiu - Computational Mechanics, 2019 - Springer
Efficient implementation of the element-free Galerkin (EFG) method for a phase-field model
of linear elastic fracture mechanics is presented, in which the convenience of the meshfree …
of linear elastic fracture mechanics is presented, in which the convenience of the meshfree …
3D concrete fracture simulations using an explicit phase field model
Phase field models can effectively capture complicated crack evolution characteristics such
as propagation, bifurcating, intersecting and merging. However, the simulation of three …
as propagation, bifurcating, intersecting and merging. However, the simulation of three …
Strongly coupled XFEM formulation for non-planar three-dimensional simulation of hydraulic fracturing with emphasis on concrete dams
SN Roth, P Léger, A Soulaïmani - Computer Methods in Applied Mechanics …, 2020 - Elsevier
This paper presents a novel and robust three-dimensional plain concrete cracking model
applicable to the study of structural stability of large structures, such as dams, while …
applicable to the study of structural stability of large structures, such as dams, while …
A phase-field model for ductile fracture with shear bands: A parallel implementation
C Samaniego, J Ulloa, P Rodríguez… - International Journal of …, 2021 - Elsevier
Modeling complex material failure with competing mechanisms is a difficult task that often
leads to mathematical and numerical challenges. This work contributes to the study of …
leads to mathematical and numerical challenges. This work contributes to the study of …
Structural size effect: Experimental, theoretical and accurate computational assessment
In this paper, experimental evidence, theoretical predictions and the finite element modelling
of the structural size effect in cracking problems of quasi-brittle materials are discussed and …
of the structural size effect in cracking problems of quasi-brittle materials are discussed and …