Analysis Of Surface Cracks At Hole By A 3 D Weight Function Method With Stresses From Finite Element Method

Download or read book Analysis of Surface Cracks at Hole by a 3-D Weight Function Method with Stresses from Finite Element Method written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. Zhao, W. and Newman, J. C., Jr. and Sutton, M. A. and Shivakumar, K. N. and Wu, X. R. Langley Research Center RTOP 538-02-10-01...