The paper proposes a method to solve geometrically nonlinear bending problems for thin orthotropic shallow shells and plates interacting with a Winkler–Pasternak foundation under transverse loading. This method is based on Ritz’s variational method and the R-function method. The developed algorithm and software are used to solve a number of test problems and to study complex-shaped shells. The effect of the shape of shells, the boundary conditions, the stiffness of the foundation, and the load distribution on the behavior of isotropic and orthotropic shells undergoing geometrically nonlinear bending is studied
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Translated from Prikladnaya Mekhanika, Vol. 46, No. 6, pp. 56–65, June 2010.
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Kurpa, L.V., Lyubitskaya, E.I. & Morachkovskaya, I.O. The R-function method used to solve nonlinear bending problems for orthotropic shallow shells on an elastic foundation. Int Appl Mech 46, 660–668 (2010). https://doi.org/10.1007/s10778-010-0353-x
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DOI: https://doi.org/10.1007/s10778-010-0353-x