Discrete element models of tooth enamel, a complex three-dimensional biological composite

JW Pro, F Barthelat - Acta Biomaterialia, 2019 - Elsevier
Enamel, the hard surface layer of teeth, is a three-dimensional biological composite made of
crisscrossing mineral rods bonded by softer proteins. Structure-property relationships in this …

Is the Bouligand architecture tougher than regular cross-ply laminates? A discrete element method study

JW Pro, F Barthelat - Extreme Mechanics Letters, 2020 - Elsevier
The Bouligand structure, prominent in arthropod cuticles and fish scales, is a fibrous
laminate where the orientation of the fibers increases incrementally across the thickness …

An evaluation of mode-decomposed energy release rates for arbitrarily shaped delamination fronts using cohesive elements

L Carreras, E Lindgaard, J Renart, BLV Bak… - Computer methods in …, 2019 - Elsevier
Computing mode-decomposed energy release rates in arbitrarily shaped delaminations
involving large fracture process zones has not been previously investigated. The J-integral …

The J-Integral Method Compared to the API 579-1/ASME FFS-1 Standard to Calculate Stress Intensity Factor (SIF): Leak-Before-Break (LBB) Application with …

H Ghasemi, KM Hamdia - Arabian Journal for Science and Engineering, 2024 - Springer
Abstract Leak-before-break (LBB), as a part of the fitness-for-service (FFS) assessment, is a
critical requirement to ensure pressure vessel structural integrity LBB generally means a …

On the Path Independency of the Point-wise J Integral in Three-dimensions

N Omer, Z Yosibash - International journal of fracture, 2005 - Springer
The asymptotic solution in the vicinity of a crack front in a three-dimensional (3-D) elastic
domain is provided explicitly following the general framework in M. Costabel, M. Dauge and …

A High‐order extended finite element method for extraction of mixed‐mode strain energy release rates in arbitrary crack settings based on Irwin's integral

M Lan, H Waisman, I Harari - International Journal for …, 2013 - Wiley Online Library
An analytical formulation based on Irwin's integral and combined with the extended finite
element method is proposed to extract mixed‐mode components of strain energy release …

Finite Element Analysis of Fatigue in Offshore Pipelines with Internal and External Circumferential Cracks

A Olamide, A Bennecer, S Kaczmarczyk - Applied Mechanics, 2020 - mdpi.com
Fatigue lifetime of offshore pipelines with semi-elliptical circumferential surface cracks is
often underestimated. An accurate prediction of the pipeline structural integrity is …

Edge flux intensity functions in polyhedral domains and their extraction by a quasidual function method

N Omer, Z Yosibash, M Costabel, M Dauge - International journal of …, 2004 - Springer
The asymptotics of solutions to scalar second order elliptic boundary value problems in
three-dimensional polyhedral domains in the vicinity of an edge is provided in an explicit …

[HTML][HTML] On the Jx1-integral and the out-of-plane constraint in a 3D elastic cracked plate loaded in tension

E Giner, D Fernández-Zúñiga… - International Journal of …, 2010 - Elsevier
In this study, the behaviour of the [Formula: see text]-integral and its components JP-integral
and JA-integral is numerically investigated for 3D linear elastic cracked plates of different …

Analytical description of unstable, rugose, circular cracks in brittle solids

L Ma, R Dugnani - Archive of Applied Mechanics, 2022 - Springer
This manuscript presents an improvement to the analytical model for unstable, circular
cracks with rugose crack-fronts propagating in infinite, brittle solids including the velocity …