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Stress intensity factors for a bounded plate containing two collinear cracks

✍ Scribed by G. Vialaton; M. Brunet; J. Bahuaud

Publisher: Elsevier Science
Year: 1980
Tongue: English
Weight: 974 KB
Volume: 13
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(80)90017-x

No coin nor oath required. For personal study only.

✦ Synopsis

Ab&aet-This paper presents a method of numerical analysis for the problem of two collinear cracks in a finite, linearly elastic, isotropic plate and subjected to in plane forces.

The problem is treated imagining the plate with the two cracks draws in an unbounded region. Using the analytical solution of a point force applied to an infinite plate with two collinear cracks of equal length, the boundary conditions are written by superimposing the effect of interior loading upon the effect of concentrated loads applied on a curve parallel to the outer boundary. The boundary condition are satisfied in a least square sense.

Numerical example are given for square plates with inner or edge cracks. The accuracy is discussed.

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