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Vol 15, Issue 1, 2022
Pages: 0 - 0
Review paper
Architecture
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Published: 01.12.2021. Review paper Architecture

FREE VIBRATION ANALYSIS OF SINGLY CURVED CLAMPED SHELLS USING THE ISOGEOMETRIC FINITE STRIP METHOD

By
Aleksandar Borković ,
Aleksandar Borković
Dijana Majstorović ,
Dijana Majstorović
Snježana Milovanović ,
Snježana Milovanović
Duy Vo
Duy Vo
Abstract

A hybrid method for the spatial discretization of two-dimensional domains is recently derived and applied to the problem of free vibrations of simply-supported singly curved shells. This new method follows from a tensor product of NURBS functions and a carefully selected series that satisfies boundary conditions a priori. The formulation unifies spatial discretization schemes of the semi-analytical Finite strip method and the Isogeometric analysis. In this paper, the method is improved by implementing the capability to deal with clamped-clamped boundary conditions. The numerical analysis shows that the method has favorable accuracy per DOF, in comparison with the standard finite elements.

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