Elastoplastic damage behavior of quasi-brittle rocks considering crack closure evolution

H Li, Y Lai, M Zhang, Y Chen, Q Ma, T Liang… - Computers and …, 2024 - Elsevier
Crack closure evolution in compaction stage of quasi-brittle rocks is a very common
phenomenon. A distinct feature of quasi-brittle rocks is that, under compression, presence of …

[HTML][HTML] A novel disc bend test specimen for realistic measuring of tensile strength in pavements under transverse cracking condition

MRM Aliha, HR Karimi, SMN Ghoreishi - Case Studies in Construction …, 2025 - Elsevier
The tensile strength of asphaltic mixtures is an important parameter in designing the
pavement materials and life assessment of the overlays. This parameter is often determined …

Modeling confined concrete behavior in finite element with a non-orthogonal elastoplastic model

F Meng, D Lu, S Wang, X Zhou, X Du - Engineering Structures, 2024 - Elsevier
The accuracy of a constitutive model for confined concrete largely relies on its capability to
capture concrete's dilatancy behavior. In this paper, a non-orthogonal flow rule (NFR) is …

A Simple Single Bounding Surface Model of Undrained Saturated Clays

X Cheng, D Lu, P Wang - Dynamic Analysis of Offshore Wind Turbine …, 2024 - Springer
A simple single bounding surface constitutive model is developed to predict the undrained
behaviors of saturated clays under cyclic loads. The new model does not involve complex …

An enhanced elastic prediction scheme for thermo-elastoplastic materials with temperature-dependent properties and its intrinsic characters

X Yao, H Shao, Z Yan, Y Chen, X Wei… - Applied Mathematical …, 2025 - Elsevier
Elastic prediction scheme is essential in thermo-elastoplastic simulation; however, current
methods do not incorporate nonlinear effects comprehensively and cause the inevitable'over …

A three-dimensional elastoplastic constitutive model incorporating Lode angle dependence

J Liu, X Li, C Wang, Y Xu, K Xia - Geomechanics for Energy and the …, 2024 - Elsevier
A comprehensive three-dimensional elastoplastic constitutive model is presented to
characterize the stress-strain behavior of cement stone under the true triaxial stress state …

[PDF][PDF] 基于超对偶数微分的无约束应力更新算法

路德春, 石安毓, 周鑫, 杜修力 - 岩土工程学报 - cge.nhri.cn
加卸载判断和繁琐的解析求导运算一直是制约先进弹塑性模型数值应用的瓶颈问题.
研究提出一种基于超对偶数微分方法的无约束应力隐式更新算法, 有效解决了上述计算难点 …