Geometrically Nonlinear Vibrations of Functionally Graded Shallow Shells

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dc.contributor.authorShmatko, T.en
dc.contributor.authorBhaskar, A.en
dc.date.accessioned2016-11-15T12:33:02Z
dc.date.available2016-11-15T12:33:02Z
dc.date.issued2016
dc.description.abstractAn original method for investigation of geometrically nonlinear vibrations of functionally graded shallow shells and plates with complex planform is presented. Shells under consideration are made from a composite of ceramics and metal. Power law of volume fraction distribution of materials through thickness is chosen. Mathematical statement is implemented in the framework of the refined geometrically nonlinear theory of the shallow shells of the first order (Timoshenko type). The proposed approach combines the application of the Rfunctions theory (RFM), variational Ritz method, procedure by Bubnov-Galerkin and Runge-Kutta method. Due to use of this combined algorithm it is possible to reduce the initial nonlinear system of motion equations with partial derivatives to a nonlinear system of ordinary differential equations. Investigation task of functionally graded shallow shells with arbitrary planform and different types of boundary conditions is carried out by the proposed method. Test problems and numerical results have been presented for one-mode approximation in time. In future, the developed method may be extended to investigation of geometrically nonlinear forced vibrations of functionally graded shallow shells with complex planform.en
dc.identifier.citationShmatko T. Geometrically Nonlinear Vibrations of Functionally Graded Shallow Shells / T. Shmatko, A. Bhaskar // Nonlinear Dynamics–2016 (ND-KhPI2016) : proceedings of 5th International Conference, dedicated to the 90th anniversary of Academician V. L. Rvachev, September 27-30, 2016 = Нелінійна динаміка–2016 : тези доп. 5-ї Міжнар. конф., 27-30 вересня 2016 р. – Kharkov : NTU "KhPI", 2016. – P. 485-492.en
dc.identifier.urihttps://repository.kpi.kharkov.ua/handle/KhPI-Press/24624en
dc.language.isoen
dc.publisherNTU "KhPI"en
dc.subjectfunctionally graded shallow shellsen
dc.subjectnonlinear vibrationsen
dc.subjecttheory of the R-functionsen
dc.subjectmethod by Ritzen
dc.titleGeometrically Nonlinear Vibrations of Functionally Graded Shallow Shellsen
dc.typeArticleen

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Nonlinear Dynamics–2016
Кафедра "Вища математика"