An efficient method for solving three-dimensional elasticity problems for metal-ceramic composite shells is presented. According to this method, in the shell body, N sampling surfaces (SaS) parallel to its midsurface are chosen in order to introduce the displacement vectors of these surfaces as unknown functions. The SaS pass through the nodes of a Chebyshev polynomial, which improves the convergence of the SaS method significantly. As a result, this method can be applied to the derivation of such analytical solutions for metal-ceramic shells that asymptotically approach the exact three-dimensional solutions of elasticity as the number N of SaS tends to infinity.
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This study was financially supported by the Ministry of Education and Science of the Russian Federation (Projects No. 9.137.2014К and No. 339.2014) and the Russian Science Foundation (Project No. 15-19-30002).
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Translated from Mekhanika Kompozitnykh Materialov, Vol. 51, No. 4, pp. 647-660 , July-August, 2015.
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Kulikov, G.M., Plotnikova, S.V. Three-Dimensional Analysis of Metal-Ceramic Shells by the Method of Sampling Surfaces. Mech Compos Mater 51, 455–464 (2015). https://doi.org/10.1007/s11029-015-9517-4
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DOI: https://doi.org/10.1007/s11029-015-9517-4