Nguyen Dinh Duc, Vu Thi Thuy Anh, Vu Thi Huong, Vu Dinh Quang, Pham Dinh Nguyen

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Abstract: This research considers the nonlinear dynamic response of functionally graded carbon nanotube reinforced composite (FG-CNTRC) sandwich annular spherical shells supported by Pasternak foundation by using the analytical approach. Unlike those discussed in previous studies, the composite considered in this study has three layers: FG-CNTRC layer – homogeneous core – FG-CNTRC layer. Several examples are considered to analyse the behaviour of this sandwich-structured composite. The classical shell theory (CST) is used to derive theoretical formulation delineating nonlinear dynamic response of FG-CNTRC sandwich annular spherical shells. The numerical results explain the effect of material, geometrical parameters, and elastic foundations on the nonlinear dynamic response of the annular spherical shell.


Keywords: Keywords: Nonlinear dynamic response, annular spherical shell, sandwich structures, FG-CNTRC.


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