Coupled microplane and micromechanics model for describing the damage and plasticity evolution of quasi-brittle material

L Kong, H Xie, C Li - International Journal of Plasticity, 2023 - Elsevier
Quasi-brittle materials exhibit significant heterogeneity due to their complex mesoscopic
components and microdefects, and their macroscopic mechanical behavior depends …

Early mechanical performance of glass fibre-reinforced manufactured sand concrete

H Zhen, Z Xiong, Y Song, L Li, Y Qiu, X Zou… - Journal of Building …, 2024 - Elsevier
The use of manufactured sand as fine aggregate in concrete has been widely adopted in
engineering to alleviate the shortage of natural river sand supply. However, there are many …

A review on the damage behavior and constitutive model of fiber reinforced concrete at ambient temperature

B Li, Z Chen, S Wang, L Xu - Construction and Building Materials, 2024 - Elsevier
Fiber reinforced concrete (FRC) has gained increasing interest in recent years due to its
superior mechanical properties compared to plain concrete. The failure of it is a process in …

A new micromechanical damage model for quasi-brittle geomaterials with non-associated and state-dependent friction law

LY Zhao, ZM Lv, YM Lai, QZ Zhu, JF Shao - International Journal of …, 2023 - Elsevier
In this paper, we shall present a new micromechanical damage model for capturing the
mechanical behaviors of quasi-brittle geomaterials under a wide range of compressive …

A crystal plasticity-based microdamage model and its application on the tensile failure process analysis of 7075 aluminum alloy

A Li, W Hu, H Li, Z Zhan, Q Meng - Materials Science and Engineering: A, 2023 - Elsevier
In this study, a microdamage model by introducing the damage of crystal is proposed.
Damage variables are defined for each slip system, and the damage-coupled crystal …

Multiscale modeling and simulation on mechanical behavior of fiber reinforced concrete

XN Li, XB Zuo, L Li, JH Liu - International Journal of Solids and Structures, 2024 - Elsevier
A multiscale mechanical model is proposed to quantitatively describe the macro-mechanical
behavior of fiber reinforced concrete (FRC) based on its multiscale material compositions …

[HTML][HTML] 一种新的混凝土各向异性弹塑性损伤本构模型及其数值实施

焦延涛, 程立平 - 工程力学, 2022 - pubs.cstam.org.cn
该文的目的是建立一种新的, 相对简单的混凝土各向异性塑性损伤本构模型,
以方便的模拟混凝土结构的破坏行为. 为了更好地描述混凝土在拉, 压荷载作用下的不同损伤 …

Computational modeling of tool-rock frictional contact with anisotropic damage

Y Zhou, GZ Voyiadjis - Rock Mechanics and Rock Engineering, 2024 - Springer
The mechanism of frictional contact is investigated between a blunt tool and quasi-brittle
rocks with anisotropic damage. A recently developed anisotropic elasto-plastic-damage …

Multi-scale numerical simulation on mechanical strength of concrete based on its microstructural evolution

X Li, Y Zhang, J Liu, X Zuo - Construction and Building Materials, 2024 - Elsevier
The aim of this paper is to numerically investigate the relationship between mechanical
strength and microstructural evolution of concrete, firstly, based on the geometrical …

Adaptive PD-FEM coupling method for modeling pseudo-static crack growth in orthotropic media

R Alebrahim, S Marfia - Engineering Fracture Mechanics, 2023 - Elsevier
In this study bond-based peridynamic formulation is developed and coupled with the finite
element method (FEM) to simulate crack growth in orthotropic materials. The coupled PD …