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Abstract
Dynamic incident anti-plane shearing (SH-wave) analysis is considered to calculate the dynamic stress intensity factors (DSIFs) in transversely isotropic piezoelectric bi-materials, which contain symmetrically radial cracks, near the edges of a non-circular cavity. Green’s functions are established based on complex variable and conformal mapping methods. Conjunction and crack-deviation techniques are used to evaluate DSIFs at the cracks’ tips. Boundary conditions are solved by applying the orthogonal function expansion technique. Models with elliptic cavities are studied numerically based on FORTRAN language program. A comparison is accomplished to adjust program validity. Results clarified the influences on DSIFs under proper conditions.
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