Improved XFEM (IXFEM): Arbitrary multiple crack initiation, propagation and interaction analysis

LX Wang, LF Wen, R Tian, C Feng - Computer Methods in Applied …, 2024‏ - Elsevier
An improved XFEM (IXFEM) is developed for the analysis of arbitrary multiple crack
initiation, propagation, and interaction in two-dimensional (2-D) elastic solids. The proposed …

[HTML][HTML] A phase field method for predicting hydrogen-induced cracking on pipelines

J Zhao, YF Cheng - International Journal of Mechanical Sciences, 2024‏ - Elsevier
An accurate determination of the threshold conditions to initiate cracks on aged hydrogen
pipelines is paramount for ensuring energy transport safety. In this work, a finite element …

An extended isogeometric boundary element formulation for three-dimensional linear elastic fracture mechanics

M Rocha, J Trevelyan, ED Leonel - Computer Methods in Applied …, 2024‏ - Elsevier
This paper presents a novel extended isogeometric boundary element formulation
(XIGABEM) for three-dimensional linear elastic fracture mechanics. The formulation utilises …

Direct evaluation of stress intensity factors and T-stress for bimaterial interface cracks using the extended isogeometric boundary element method

HC Andrade, J Trevelyan, ED Leonel - Theoretical and Applied Fracture …, 2023‏ - Elsevier
This paper presents a new extended isogeometric boundary element method (XIGABEM) for
the analysis of cracks in two-dimensional bimaterial interfaces. The classical NURBS …

Investigating the Influence of Holes as Crack Arrestors in Simulating Crack Growth Behavior Using Finite Element Method

YA Fageehi, AM Alshoaibi - Applied Sciences, 2024‏ - mdpi.com
The primary focus of this paper is to investigate the application of ANSYS Workbench 19.2
software's advanced feature, known as Separating Morphing and Adaptive Remeshing …

Multi-domain wavelet boundary element method for calculating two-dimensional stress intensity factors

J Chen, D Yuan, R Yang, J **ang - Heliyon, 2024‏ - cell.com
In order to improve the accuracy of stress intensity factors (SIFs) calculated by traditional
boundary element methods (BEM), the multi-domain wavelet boundary element method …

A mixed MLS and Hermite-type MLS method for buckling and postbuckling analysis of thin plates

Y Hilali, O Bourihane - Structures, 2021‏ - Elsevier
In the present paper, a new procedure, that combines the Asymptotic Numerical Method
(ANM) with the Hermite-Type Moving Least Squares (HMLS) meshless method, is proposed …

[HTML][HTML] Fracture modelling of a cracked pressurized cylindrical structure by using extended iso-geometric analysis (X-IGA)

S Montassir, H Moustabchir, A Elkhalfi, ML Scutaru… - Mathematics, 2021‏ - mdpi.com
In this study, a NURBS basis function-based extended iso-geometric analysis (X-IGA) has
been implemented to simulate a two-dimensional crack in a pipe under uniform pressure …

[HTML][HTML] Advances in Finite Element Modeling of Fatigue Crack Propagation

AM Alshoaibi, YA Fageehi - Applied Sciences, 2024‏ - mdpi.com
Fatigue crack propagation is a critical phenomenon that affects the structural integrity and
lifetime of various engineering components. Over the years, finite element modeling (FEM) …

Dipole‐based BEM formulation for three‐dimensional cohesive crack propagation modelling

LP Ribeiro Almeida, ED Leonel - International Journal for …, 2024‏ - Wiley Online Library
This study presents an alternative boundary element method (BEM) formulation for the
cohesive crack propagation modelling in three‐dimensional structures. The proposed …