Crack tip fields in anisotropic planes: a review

MR Ayatollahi, M Nejati, S Ghouli - International Journal of Fracture, 2022 - Springer
This paper reviews crack tip asymptotic fields in generic plane anisotropic media, rigorously
categorising about 400 studies devoted to the determination of the asymptote coefficients …

The finite element over-deterministic method to calculate the coefficients of crack tip asymptotic fields in anisotropic planes

MR Ayatollahi, M Nejati, S Ghouli - Engineering Fracture Mechanics, 2020 - Elsevier
This article applies the finite element over-deterministic (FEOD) method to determine the
coefficients of the crack tip asymptotic fields in an anisotropic plane. This method relies on …

Experimental study on crack initiation and propagation of wood with LT-type crack using digital image correlation (DIC) technique and acoustic emission (AE)

J Tu, D Zhao, J Zhao, Q Zhao - Wood Science and Technology, 2021 - Springer
Monitoring the cracks initiation and propagation of construction materials, as well as
determining the fracture process zone, constitute two key factors to understand the damage …

Strain energy release rate in combination with reinforcement isotropic solid model (SERIS): A new mixed-mode I/II criterion to investigate fracture behavior of …

Z Khaji, M Fakoor - Theoretical and Applied Fracture Mechanics, 2021 - Elsevier
Strain energy release rate (SER) in conjunction with reinforcement isotropic solid (RIS)
model is employed to propose a new fracture criterion in mixed-mode I/II loading named …

On the crack tip propagation monitoring within wood material: Cluster analysis of acoustic emission data compared with numerical modelling

M Diakhate, N Angellier, RM Pitti, F Dubois - Construction and Building …, 2017 - Elsevier
In this study, crack length evolutions evaluated from both experimental analysis (cluster
analysis of acoustic emission activity) and numerical modelling are compared. The highlight …

Reliability assessment and updating of notched timber components subjected to environmental and mechanical loading

TB Tran, E Bastidas-Arteaga, Y Aoues… - Engineering …, 2018 - Elsevier
Cracking initiation and propagation are frequently recognized as main causes leading to
failure of timber structures. Since the kinematics of both processes is largely influenced by …

Influence of hygrothermal effects in the fracture process in wood under creep loading

N Angellier, F Dubois, RM Pitti, M Diakhaté… - Engineering fracture …, 2017 - Elsevier
The knowledge of crack driving forces such as energy release rate is very important in the
assessment of the reliability of timber structures. This work deals with both static and creep …

Three-dimensional fracture modes decoupling by means of invariant integrals in wood under mixed mode loading

JS Afoutou, F Dubois - Theoretical and Applied Fracture Mechanics, 2024 - Elsevier
This paper addresses the determination of the energy release rate in an orthotropic elastic
material such as wood with a three-dimensional view of the problem. The mixed mode …

A new analytical generalization of the J and G-theta integrals for planar cracks in a three-dimensional medium

S El Kabir, F Dubois, RM Pitti, N Recho… - Theoretical and Applied …, 2018 - Elsevier
This paper focuses on the theoretical and numerical development of the J-integral concept
for three-dimensional problems. A new integral parameter, developed for the real three …

Wedge Splitting Test on Douglas genotypes using an integrated mixed-mode approach

A Jamaaoui, O Pop, F Dubois, G Costa - Theoretical and applied fracture …, 2017 - Elsevier
The objective of this study is to estimate the influence of mixed mode on the global fracture
energy. The experimental tests were carried out using three Douglas genotypes. In order to …