Adaptive hierarchical multiscale modeling for concrete trans-scale damage evolution

L Xu, L Jiang, L Shen, L Gan, Y Dong, C Su - International Journal of …, 2023 - Elsevier
This work presents an adaptive hierarchical multiscale approach for modeling the trans-
scale damage evolution in concrete. The problem domain represented by an adaptive …

Modeling the effect of material heterogeneity on the thermo-mechanical behavior of concrete using mesoscale and stochastic field approaches

M Gimenes, PR Cleto, EA Rodrigues… - Theoretical and Applied …, 2024 - Elsevier
The adverse impact of high temperatures on concrete is a well-recognized issue that can
lead to significant mechanical deterioration and structural integrity loss. Factors such as …

2D mesoscale modeling of compressive fracture in concrete using a mesh fragmentation technique

M Gimenes, EA Rodrigues, LAG Bitencourt Jr… - International Journal of …, 2023 - Elsevier
The computational prediction of the failure processes of concrete under compression is still
a challenge. Several researchers have proposed mesoscale models to have a better …

Modeling different modes of failure in reinforced concrete beams combining tensile and shear-frictional damage models and bond–slip coupling for non-matching …

AFV dos Santos, M Gimenes, EA Rodrigues… - Engineering …, 2025 - Elsevier
A new strategy to predict the different failure processes of reinforced concrete members via
macroscale modeling is proposed. In the mesh fragmentation framework, the technique …

A transient creep investigation applied to the mesoscopic analysis of plain concrete under uniaxial compression at high temperature

TET Buttignol, LAG Bitencourt Jr - Fire Safety Journal, 2021 - Elsevier
A new methodology to investigate transient creep at the material level in terms of Load
Induced Thermal Strain (LITS) by means of numerical mesoscopic analysis is proposed. 2D …

Computational modeling of cracking in cortical bone microstructure using the mesh fragmentation technique

MAM Barros, OL Manzoli, LAG Bitencourt Jr - Archive of Applied …, 2024 - Springer
The cortical bone is a hierarchical composite material that, at the microscale, is segmented
in an interstitial matrix, cement line, osteons, and Haversian canals. The cracking of the …

Computational modeling of 2D frictional contact problems based on the use of coupling finite elements and combined contact/friction damage constitutive model

OL Manzoli, M Tosati, EA Rodrigues… - Finite Elements in …, 2022 - Elsevier
This work proposes a new approach to describe 2D frictional contact problems based on the
use of coupling finite elements (CFEs) and a combined contact/friction damage constitutive …

Mixed mode stress intensity factor analysis on edge cracked FGM plate with different material distribution models by XFEM

A Lal, NM Kulkarni, S Singh, A Mahto… - Journal of Mechanical …, 2024 - Springer
This study aimed to present a stochastic fracture approach to evaluate the mean and
variance of mixed-mode stress intensity factor (MMSIF) with crack growth and probability of …

Prediction of smooth hysteretic model parameters using support vector regression

TK Lin, TH Yang, PH Wang, RC Zeng… - Multiscale Science and …, 2021 - Springer
This study developed five artificial intelligence–based models for predicting smooth
hysteretic model (SHM) parameters. Recently, an SHM based on the Bouc–Wen model was …

Numerical simulation of punching shear failure in recycled aggregate concrete slabs with steel fiber reinforcement

AHC Siqueira, M Gimenes, OL Manzoli… - Revista IBRACON de …, 2023 - SciELO Brasil
The use of construction waste as aggregate in the production of concrete is becoming a
more frequent alternative due to the advantages associated with the sustainability aspect …