VIBRATIONS REINFORCED BY LONGITUDINAL RIBS OF AN INHOMOGENEOUS ORTHOTROPIC CYLINDRICAL PANEL CONTACTING WITH A VISCOUS-ELASTIC MEDIUM | Zendy

A.H. Movsumova | Zendy

Open Access

VIBRATIONS REINFORCED BY LONGITUDINAL RIBS OF AN INHOMOGENEOUS ORTHOTROPIC CYLINDRICAL PANEL CONTACTING WITH A VISCOUS-ELASTIC MEDIUM

Author(s) -

A.H. Movsumova

Publication year - 2020

Publication title -

проблеми обчислювальної механіки і міцності конструкцій

Language(s) - English

Resource type - Journals

ISSN - 2079-1836

DOI - 10.15421/4220022

Subject(s) - orthotropic material , viscoelasticity , vibration , materials science , mechanics , foundation (evidence) , structural engineering , physics , composite material , acoustics , finite element method , engineering , archaeology , history

Vibrations of an orthotropic cylindrical panel, non-uniform in thickness, supported by longitudinal ribs, lying on a linearly viscoelastic foundation, were investigated. The Hamilton – Ostrogradsky variational principle was used to find the vibration frequencies of the panel. A frequency equation is constructed, its roots are found, and the influence of physical and geometric parameters characterizing the system is studied.

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