Title

Stress intensity factors for interacting cracks

Document Type

Article

Publication Date

1-1-1987

Abstract

Experimental stress intensity factors (SIFs) for two interacting straight cracks in plane-homogeneous regions were determined. Photoelastic data were collected from digitally sharpened isochromatic fringe patterns by using a digital image analysis system. SIFs were extracted by using the field equations derived from Williams' stress function. Numerical SIFs were also obtained by the boundary integral equation method. Good agreement was observed between experimental and numerical results. © 1987.

Publication Title

Engineering Fracture Mechanics

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