Stress-Intensity Factor Equations for Cracks in Three-Dimensional Finite Bodies | Zendy

J. C. Newman | Zendy; IS Raju | Zendy

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Stress-Intensity Factor Equations for Cracks in Three-Dimensional Finite Bodies

Author(s) -

J. C. Newman,

IS Raju

Publication year - 1983

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Book series

DOI - 10.1520/stp37074s

Subject(s) - stress intensity factor , materials science , structural engineering , intensity (physics) , stress (linguistics) , geometry , composite material , mechanics , geology , mathematics , engineering , physics , optics , fracture mechanics , philosophy , linguistics

Empirical stress intensity factor equations are presented for embedded elliptical cracks, semi-elliptical surface cracks, quarter-elliptical corner cracks, semi-elliptical surface cracks at a hole, and quarter-elliptical corner cracks at a hole in finite plates. The plates were subjected to remote tensile loading. Equations give stress intensity factors as a function of parametric angle, crack depth, crack length, plate thickness, and where applicable, hole radius. The stress intensity factors used to develop the equations were obtained from three dimensional finite element analyses of these crack configurations.

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