Analysis of Stress Intensity Factors for Chevron Notched Specimens by the Boundary Element Method

Analysis of Stress Intensity Factors for Chevron Notched Specimens by the Boundary Element Method

We analysed stress intensity factors for chevron notched bend specimens using the three dimensional boundary element method and compared this results with another ones analysed using Bluhm's slice model. Stress intensity factors were evaluated in two ways as the functions of crack length ; one...

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Veröffentlicht in:TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1986/05/25, Vol.52(477), pp.1324-1327
Hauptverfasser: MIYOSHI, Toshiro, EBIHARA, Yoshinori, HIRAI, Chiaki
Format: Artikel
Sprache:eng ; jpn
Schlagworte:
Bend Bar Specimen
Boundary Element Method
Chevron Notched Specimen
Fracture
Stress Intensity Factor
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container_end_page 1327
container_issue 477
container_start_page 1324
container_title TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A
container_volume 52
creator MIYOSHI, Toshiro
EBIHARA, Yoshinori
HIRAI, Chiaki
description We analysed stress intensity factors for chevron notched bend specimens using the three dimensional boundary element method and compared this results with another ones analysed using Bluhm's slice model. Stress intensity factors were evaluated in two ways as the functions of crack length ; one is maximum values at the crack end and the other is average values by the energy method. Both average stress intensity factors evaluated by BEM and the slice model show good agreements. On the other hand, the maximum stress intensity factor is about 9 % higher than the average stress intensity factor at each minimum value. The distributions of stress intensity factors along the crack front were also evaluated for several crack lengths.
doi_str_mv 10.1299/kikaia.52.1324
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source J-STAGE Free; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Bend Bar Specimen
Boundary Element Method
Chevron Notched Specimen
Fracture
Stress Intensity Factor
title Analysis of Stress Intensity Factors for Chevron Notched Specimens by the Boundary Element Method
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