Christos F. Markides Ermioni D. Pasiou Stavros K. Kourkoulis


A recently introduced solution for the stress- and displacementfields, developed in a multi-layered circular ring, composed of a finite number of linearly elastic concentric layers, subjected to a parabolic distribution of radial stresses, is here extended to encompass a more general loading scheme, closer to actual conditions. The loading scheme includes, besides the parabolic radial stresses, a combination of uniform pressures acting along the outer- and innermost boundaries of the layered ring. The analytic solution of the problem is achieved by adopting Savin’s pioneering approach for an infinite plate with a hole strengthened by rings. Taking advantage of the results provided by the analytic solution, a numerical model, simulating the configuration of a threelayered ring (quite commonly encountered in practical applications) is validated. The numerical model is then used for a parametric analysis enlightening some crucial aspects of the overall response of the ring.


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    How to Cite

    Markides, C. F., Pasiou, E. D., & Kourkoulis, S. K. (2017). The multi-layered ring under parabolic distribution of radial stresses combined with uniform internal and external pressure. Frattura Ed Integrità Strutturale, 11(40), Pages 108–128. https://doi.org/10.3221/IGF-ESIS.40.10

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