Abstract
This article introduces a specimen geometry that allows the separation of fracture energy release rates GI and G II in adhesively joined beams made of disparate materials. The analysis is based upon a Green's functions formulation for shear deformable beams and circumvents the need to employ finite element computations. The current method results in a system of non-singular integral equations, that can be discretized and reduced to a system of algebraic equations which may be solved by common numerical techniques. The analysis accounts for the dimensions and properties of the adhesive and provides results for a wide range of GI, G II and their ratio. Those results agree with finite element computational values to within less than 4%.
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