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Cruciform crack in an orthotropic elastic plane

โœ Scribed by J. De; B. Patra

Publisher
Springer Netherlands
Year
1992
Tongue
English
Weight
318 KB
Volume
53
Category
Article
ISSN
1573-2673

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โœฆ Synopsis

The problems of determining the stress and displacement fields in an infinite orthotropic plane containing a cruciform crack Ixl ~< a, y = 0 and I Yl ~< b, x = 0, when (I) the shape of the crack is prescribed and (II) the cracks are opened by given normal pressures, are reduced to mixed boundary value problems for the quarter plane. Using integral transform techniques, a closed form solution is obtained for problem I, whereas the solution of problem II has been reduced to solving a Fredholm integral equation of second kind with non-singular kernel. Numerical calculation of the stress intensity factor and crack energy in the case of a linear loading function for various crack lengths are presented for problem II, using the values of material constants for a Boron-Epoxy composite.

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Cruciform crack propagation in plane str
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โœ S.C. Mouskos; H.G. Georgiadis ๐Ÿ“‚ Article ๐Ÿ“… 1990 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 706 KB

## ~~ $%%wm i.4. aa rapidtr e~~~~~ in 8 linear loading, is maEyi?ecB ly %xBms 0 The prot>lem is ndumd to a singular integral equation of the tYh%man type which can be solved by well known munerical methods. The result is compared with that of the single-cmck limiting cWe.