The three-dimensional theory of elasticity is used for a study of the stress-strain state in a hollow cylinder with varying stiffness. The corresponding problem is solved by a method that is partly analytical and partly numerical in nature: Spline approximations and collocation are used to reduce the partial differential equations of elasticity to a boundary-value problem for a system of ordinary differential equations of higher order for the radial coordinate, which is then solved using the method of stable discrete orthogonalization. Results for an inhomogeneous cylinder for various types of stiffness are presented.
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Published in Matematychni Metody ta Fizyko-Mekhanichni Polya, Vol. 53, No. 3, pp. 127–134, July–September, 2010.
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Grigorenko, A.Y., Müller, W.H., Will, R. et al. Numerical solution of the problem of the stress-strain state in hollow cylinders using spline approximations. J Math Sci 180, 135–145 (2012). https://doi.org/10.1007/s10958-011-0635-9
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DOI: https://doi.org/10.1007/s10958-011-0635-9