NASA NTRS · 19960002979
Analysis of surface cracks at hole by a 3-D weight function method with stresses from finite element method
Abstract
Parallel with the work in Part-1, stress intensity factors for semi-elliptical surface cracks emanating from a circular hole are determined. The 3-D weight function method with the 3D finite element solutions for the uncracked stress distribution as in Part-1 is used for the analysis. Two different loading conditions, i.e. remote tension and wedge loading, are considered for a wide range in geometrical parameters. Both single and double surface cracks are studied and compared with other solutions available in the literature. Typical crack opening displacements are also provided.
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Zhao, W., Newman, J. C., Jr., Sutton, M. A., Shivakumar, K. N., Wu, X. R.. 1995-07-01. Analysis of surface cracks at hole by a 3-D weight function method with stresses from finite element method. https://ntrs.nasa.gov/citations/19960002979
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