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Vibration analysis of multi-stepped and multi-damaged parabolic arches using GDQ

Erasmo ViolaMarco MiniaciNicholas FantuzziAlessandro Marzani — 2015

Curved and Layered Structures

This paper investigates the in-plane free vibrations of multi-stepped and multi-damaged parabolic arches, for various boundary conditions. The axial extension, transverse shear deformation and rotatory inertia effects are taken into account. The constitutive equations relating the stress resultants to the corresponding deformation components refer to an isotropic and linear elastic material. Starting from the kinematic hypothesis for the in-plane displacement of the shear-deformable arch, the equations...

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