Mathematical modeling of three equal collinear cracks in an orthotropic solid. (English) Zbl 1332.74045
Summary: We consider a homogeneous elastic, orthotropic solid containing three equal collinear cracks, loaded in tension by symmetrically distributed normal stresses. Following Guz’s representation theorem and solving Riemann-Hilbert problems we determine the expressions of the complex potentials. Using the asymptotic analysis, we obtain the asymptotic values of the incremental stress and displacement fields. We determine the tangential stresses near the crack tips. Using the maximum tangential stress criterion and numerical computations we study the interaction problem for a Graphite-epoxy fiber reinforced composite material.
Keywords:
three equal collinear cracks; Riemann-Hilbert problem; maximum tangential stress criterion; cracks interactionReferences:
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