Results 121 to 130 of about 515 (146)
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Computational Approaches for Crack Propagation in Materials and Structures: Comparison Between Linear Elastic Fracture Mechanics (LEFM) and Peridynamics (PD) Based Strategies

open access: yes
In solid mechanics, the defects and imperfections of materials (e.g., cracks, dislocations, etc.) play a key role on the overall mechanical behaviour of the structure despite their localized character. In this paper, the phenomenon of crack propagation under tension (Mode I) has been investigated considering two different approaches: linear elastic ...
Greta Ongaro, Nicholas Fantuzzi
exaly   +3 more sources

A REVIEW OF FATIGUE CRACK GROWTH CHARACTERISATION BY LINEAR ELASTIC FRACTURE MECHANICS (LEFM). PART II—ADVISORY DOCUMENTS AND APPLICATIONS WITHIN NATIONAL STANDARDS

Fatigue & Fracture of Engineering Materials & Structures, 1988
Abstract— This paper presents a review of the application of LEFM to the characterisation of fatigue crack growth. This part covers national standards and other documents of comparable status that (a) offer explicit advice on the use of fatigue crack growth data, and (b) in which crack growth considerations are implicit.
R. J. Allen, G. S. Booth, T. Jutla
openaire   +1 more source

Linear Elastic Fracture Mechanics (LEFM) Analysis of the Effect of Residual Stress on Fatigue Crack Propagation Rate

Practical Failure Analysis, 2002
In this research, both residual and applied stresses are converted to stress intensity factors independently and combined using the superposition principle. The fatigue crack propagation rates are predicted. Experiments using two different loading modes, constant applied stress intensity factor (SIF) range, and constant applied load modes are done for ...
openaire   +1 more source

Linear Elastic Fracture Mechanics (LEFM)-Based Single Lap Joint (SLJ) Mixed-Mode Analysis for Aerospace Structures

2017
This paper investigates the study of crack propagation on single lap joint (SLJ) using cohesive zone modeling (CZM) for aerospace applications. To carry out the above task, linear elastic fracture mechanics (LEFM) approach using finite element methods was used to study the damage propagation in adhesively bonded joints.
B. K. Mahesha   +3 more
openaire   +1 more source

On the Implications for LEFM (Linear Elastic Fracture Mechanics) of the Three-Dimensional Aspects in Some Crack/Surface Intersection Problems.

1983
Abstract : Several elastic configurations containing cracks under transverse tension which intersect a free surface are investigated. In order to ensure reliable results two independent numerical methods are employed on a comparison problem, each method being tuned to handle the special features involved.
J. L. Swedlow   +3 more
openaire   +1 more source

The story behind the beginnings of linear elastic fracture mechanics (LEFM)

Linear elastic fracture mechanics (LEFM) has a rich history that spans several decades. Regarding brief historical overview, in 1913, Inglis analyzed the stress concentration around elliptical holes and and cracks in plates, laying the groundwork for LEFM.
Cvetković, Ivana   +3 more
openaire   +1 more source

Mixed-mode cohesive laws and the use of linear-elastic fracture mechanics

Engineering Fracture Mechanics, 2021
Stergios Goutianos   +2 more
exaly  

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