A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA

A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA

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In this investigation, three-dimensional elastic finite element analyses have been conducted to compute the stress intensity factor (KI) in a SENB specimen with varied thickness (B) and crack-length to width ratio (a/W). The results indicate that the magnitude of KI depends on B, and significantly...

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Main Authors: S. K. Kudari, K. G. Kodancha
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2014-07-01
Series:Frattura ed Integrità Strutturale
Subjects:
Maximum stress intensity factor
Online Access:https://www.fracturae.com/index.php/fis/article/view/1259
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spelling doaj-7e36447f584a4872a26e7240570c4d9d2021-01-27T17:17:38ZengGruppo Italiano FratturaFrattura ed Integrità Strutturale1971-89932014-07-01829A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEAS. K. Kudari0K. G. KodanchaResearch Centre, Department of Mechanical Engineering, B. V. B. College of Engineering and Technology, Hubli 580 031, Karnataka, India In this investigation, three-dimensional elastic finite element analyses have been conducted to compute the stress intensity factor (KI) in a SENB specimen with varied thickness (B) and crack-length to width ratio (a/W). The results indicate that the magnitude of KI depends on B, and significantly varies along the crackfront from surface to the center of the specimen. The maximum value of KI is found at mid plane of the specimen. Based on the present 3D finite element calculations an effort is made to propose the new analytical relationship between maximum KI and specimen a/W, which helps to estimate maximum KI by only knowing specimen geometry and applied load. https://www.fracturae.com/index.php/fis/article/view/1259Maximum stress intensity factor
collection DOAJ
language English
format Article
sources DOAJ
author S. K. Kudari
K. G. Kodancha
spellingShingle S. K. Kudari
K. G. Kodancha
A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
Frattura ed Integrità Strutturale
Maximum stress intensity factor
author_facet S. K. Kudari
K. G. Kodancha
author_sort S. K. Kudari
title A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
title_short A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
title_full A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
title_fullStr A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
title_full_unstemmed A new formulation for estimating maximum stress intensity factor at the mid plane of a SENB specimen: Study based on 3D FEA
title_sort new formulation for estimating maximum stress intensity factor at the mid plane of a senb specimen: study based on 3d fea
publisher Gruppo Italiano Frattura
series Frattura ed Integrità Strutturale
issn 1971-8993
publishDate 2014-07-01
description In this investigation, three-dimensional elastic finite element analyses have been conducted to compute the stress intensity factor (KI) in a SENB specimen with varied thickness (B) and crack-length to width ratio (a/W). The results indicate that the magnitude of KI depends on B, and significantly varies along the crackfront from surface to the center of the specimen. The maximum value of KI is found at mid plane of the specimen. Based on the present 3D finite element calculations an effort is made to propose the new analytical relationship between maximum KI and specimen a/W, which helps to estimate maximum KI by only knowing specimen geometry and applied load.
topic Maximum stress intensity factor
url https://www.fracturae.com/index.php/fis/article/view/1259
work_keys_str_mv AT skkudari anewformulationforestimatingmaximumstressintensityfactoratthemidplaneofasenbspecimenstudybasedon3dfea
AT kgkodancha anewformulationforestimatingmaximumstressintensityfactoratthemidplaneofasenbspecimenstudybasedon3dfea
AT skkudari newformulationforestimatingmaximumstressintensityfactoratthemidplaneofasenbspecimenstudybasedon3dfea
AT kgkodancha newformulationforestimatingmaximumstressintensityfactoratthemidplaneofasenbspecimenstudybasedon3dfea
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