ARTICLE
Analysis and calculation of stress intensity factors for type I cracks on the edge of elliptical holes under internal pressure
1
College of Energy and Mining Engineering, Shandong University of Science and Technology, Qingdao, China
2
State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao, China
These authors had equal contribution to this work
Submission date: 2023-07-11
Final revision date: 2023-11-26
Acceptance date: 2023-12-01
Online publication date: 2024-01-26
Publication date: 2024-01-31
Corresponding author
Yaxin Liu
College of Energy and Mining Engineering, Shandong University of Science and Technology, China
College of Energy and Mining Engineering, Shandong University of Science and Technology, China
Journal of Theoretical and Applied Mechanics 2024;62(1):157-169
KEYWORDS
Muskhelishvili complex functionstress intensity factorsingle elliptical fissureholenumerical simulation
TOPICS
ABSTRACT
The stress intensity factor and stress field expression for long cracks near an infinite-length
plate bore are calculated using the Muskhelishvili Complex Function Approach. It applies
to engineered bore edge cracks, especially under the condition in which the elliptical bore
is subjected to internal pressure or only the surface of the crack is subjected to internal
pressure. The formula is validated by numerical simulation and applies both to elliptical and
circular holes. The variation of stress intensity factor with crack length is analyzed when the
special round hole is only subjected to internal pressure. It has practical application value
in fracture engineering.
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