Empirical solutions for stress intensity factors of a surface crack in a solid cylinder under pure torsion. (15th April 2018)

• Record Type: Journal Article
• Authors: Ramezani, M.K.; Purbolaksono, J.; Andriyana, Andri; Ramesh, S.; Putra, I.S.
• Is Part Of: Engineering fracture mechanics. Volume 193(2018)
• Page Start: 122
• Page End: 136
• Publication Date: 2018-04-15
• Subjects: Stress intensity factor -- Surface crack -- Solid cylinder -- Empirical solution -- Dual boundary element method; Fracture mechanics -- Periodicals; Rupture, Mécanique de la -- Périodiques; Fracture mechanics; Periodicals; 620.112605
• DOI: 10.1016/j.engfracmech.2018.02.015
• Languages: English
• ISSNs: 0013-7944

Abstract

Highlights: Empirical solutions for stress intensity factors. A surface crack in a solid cylinder under torsion loading. Implicitly systematic curve-fitting procedure. Abstract: No empirical solution for the stress intensity factors (SIFs) of a surface crack in a solid cylinder under torsion was reported in literature. In this paper, empirical solutions for Modes I, II, and III stress intensity factors of a semi-elliptical surface crack in a solid cylinder under pure torsion are proposed. The dual boundary element method (DBEM) based software was used to generate the SIFs for different crack size, crack aspect ratio, and different inclination angles. Next, the solutions for the SIFs were produced through a systematic curve fitting approach.