A numerical study of singular stress field of 3D cracks

A. Y T Leung; R. K L Su

doi:10.1016/0168-874X(94)00065-N

A numerical study of singular stress field of 3D cracks

A. Y T Leung
, R. K L Su

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

30 Citations (Scopus)

Abstract

We investigate the stress distribution and the variation of the mode I stress intensity factor along a straight three-dimensional (3D) crack by the finite element method. The results are checked against plane strain theory near the mid-crack and against the 3D theory of Zhu at the free surface. Although Zhu's formulation is not perfect and has some typographical errors. The surface stress distribution of his results are in line with the present study by the finite element method. The stress intensity factors at the free surface are found to be much lower than that at the mid-crack. © 1994.

Original language	English
Pages (from-to)	389-401
Journal	Finite Elements in Analysis and Design
Volume	18
Issue number	4
DOIs	https://doi.org/10.1016/0168-874X(94)00065-N
Publication status	Published - Jan 1995
Externally published	Yes

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abstract = "We investigate the stress distribution and the variation of the mode I stress intensity factor along a straight three-dimensional (3D) crack by the finite element method. The results are checked against plane strain theory near the mid-crack and against the 3D theory of Zhu at the free surface. Although Zhu's formulation is not perfect and has some typographical errors. The surface stress distribution of his results are in line with the present study by the finite element method. The stress intensity factors at the free surface are found to be much lower than that at the mid-crack. {\textcopyright} 1994.",

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T1 - A numerical study of singular stress field of 3D cracks

AU - Leung, A. Y T

AU - Su, R. K L

PY - 1995/1

Y1 - 1995/1

N2 - We investigate the stress distribution and the variation of the mode I stress intensity factor along a straight three-dimensional (3D) crack by the finite element method. The results are checked against plane strain theory near the mid-crack and against the 3D theory of Zhu at the free surface. Although Zhu's formulation is not perfect and has some typographical errors. The surface stress distribution of his results are in line with the present study by the finite element method. The stress intensity factors at the free surface are found to be much lower than that at the mid-crack. © 1994.

AB - We investigate the stress distribution and the variation of the mode I stress intensity factor along a straight three-dimensional (3D) crack by the finite element method. The results are checked against plane strain theory near the mid-crack and against the 3D theory of Zhu at the free surface. Although Zhu's formulation is not perfect and has some typographical errors. The surface stress distribution of his results are in line with the present study by the finite element method. The stress intensity factors at the free surface are found to be much lower than that at the mid-crack. © 1994.

UR - https://www.scopus.com/pages/publications/0029222309

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0029222309&origin=recordpage

U2 - 10.1016/0168-874X(94)00065-N

DO - 10.1016/0168-874X(94)00065-N

M3 - RGC 21 - Publication in refereed journal

SN - 0168-874X

VL - 18

SP - 389

EP - 401

JO - Finite Elements in Analysis and Design

JF - Finite Elements in Analysis and Design

IS - 4

ER -

A numerical study of singular stress field of 3D cracks

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