Abstract
Based on the sixth order Reissner plate theory, the generalized displacement functions for a cracked plate are derived by eigenfunction expansion method. The fractal two-level finite element method is employed to obtain the stress (moment and shear) intensity factors for the center cracked plate subjected to out-of-plane bending and twisting loads. The numerical results from the present method are checked with those available in literature. Highly accurate stress intensity factors are predicted for a wide range of thickness to crack length ratio and a full range of PoissonÆs ratio provided that the radius of fractal mesh to thickness ratio is not less than \(\frac{1}{{10}}\).
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Su, R., Leung, A. Mixed mode cracks in Reissner plates. International Journal of Fracture 107, 235–257 (2001). https://doi.org/10.1023/A:1007652028645
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DOI: https://doi.org/10.1023/A:1007652028645