A novel elastic–plastic damage model for rock materials considering micro-structural degradation due to cyclic fatigue
In this work, a novel constitutive model is developed to describe the mechanical behavior of
rock like materials subjected to cyclic loading. The fatigue damage is physically related to …
rock like materials subjected to cyclic loading. The fatigue damage is physically related to …
Lattice element models and their peculiarities
This paper presents the lattice element models, as a class of discrete models, in which the
structural solid is represented as an assembly of one-dimensional elements. This idea …
structural solid is represented as an assembly of one-dimensional elements. This idea …
Insights on low cycle fatigue crack formation and propagation mechanism: A microstructurally-sensitive modeling
K Song, K Wang, L Zhang, L Zhao, L Xu, Y Han… - International Journal of …, 2022 - Elsevier
A novel model for revealing low cycle fatigue (LCF) fracture mechanism was established
based on molecular dynamics, extended finite element method, and representative volume …
based on molecular dynamics, extended finite element method, and representative volume …
Unlocking the potential of second-order computational homogenisation: An overview of distinct formulations and a guide for their implementation
IA Rodrigues Lopes, FM Andrade Pires - Archives of Computational …, 2022 - Springer
Multi-scale models enriched with the second gradient of the displacement field and based
on the concept of representative volume element (RVE) are examined and discussed in …
on the concept of representative volume element (RVE) are examined and discussed in …
A cohesive damage-plasticity model for DEM and its application for numerical investigation of soft rock fracture properties
The failure of soft rocks is highly concerned in both research and practice due to the
vulnerability of materials and its involvement in a wide range of foundation and mine …
vulnerability of materials and its involvement in a wide range of foundation and mine …
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 …
[HTML][HTML] Reduced order modeling strategies for computational multiscale fracture
The paper proposes some new computational strategies for affordably solving multiscale
fracture problems through a FE 2 approach. To take into account the mechanical effects …
fracture problems through a FE 2 approach. To take into account the mechanical effects …
Microcracking in additively manufactured tungsten: experiment and a nano-micro-macro multiscale model
Microcracking is a prevalent and critical issue in additively manufactured tungsten,
significantly restricting its safety-critical engineering applications. Till now, most of our …
significantly restricting its safety-critical engineering applications. Till now, most of our …
[HTML][HTML] A multi-scale formulation for polycrystalline materials accounting for cohesive micro-cracks: Homogenisation of the traction-separation law
This contribution investigates the modelling of failure in polycrystalline materials due to the
nucleation and propagation of cohesive cracks at the micro-scale. First, a two-scale …
nucleation and propagation of cohesive cracks at the micro-scale. First, a two-scale …
An adaptive concurrent multiscale model for concrete based on coupling finite elements
A new adaptive concurrent multiscale approach for modeling concrete that contemplates two
well separated scales (represented by two different meshes) is proposed in this paper. The …
well separated scales (represented by two different meshes) is proposed in this paper. The …