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Analytical solution for free vibrations of a moderately thick rectangular plate (CROSBI ID 194799)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Senjanović, Ivo ; Tomić, Marko ; Vladimir, Nikola ; Cho, Dae Seung Analytical solution for free vibrations of a moderately thick rectangular plate // Mathematical problems in engineering, (2013), 207460-1-207460-13. doi: 10.1155/2013/207460

Podaci o odgovornosti

Senjanović, Ivo ; Tomić, Marko ; Vladimir, Nikola ; Cho, Dae Seung

engleski

Analytical solution for free vibrations of a moderately thick rectangular plate

In the present thick plate vibration theory, governing equations of force-displacement relations and equilibrium of forces are reduced to the system of three partial differential equations of motion with total deflection, which consists of bending and shear contribution, and angles of rotation as the basic unknown functions. The system is starting one for the application of any analytical or numerical method. Most of the analytical methods deal with those three equations, some of them with two (total and bending deflection), and recently a solution based on one equation related to total deflection has been proposed. In this paper, a system of three equations is reduced to one equation with bending deflection acting as a potential function. Method of separation of variables is applied and analytical solution of differential equation is obtained in closed form. Any combination of boundary conditions can be considered. However, the exact solution of boundary value problem is achieved for a plate with two opposite simply supported edges, while for mixed boundary conditions, an approximate solution is derived. Numerical results of illustrative examples are compared with those known in the literature, and very good agreement is achieved.

thick plate; vibrations; separation of variables; mixed boundary conditions

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Podaci o izdanju

nije evidentirano

2013.

207460-1-207460-13

objavljeno

1024-123X

10.1155/2013/207460

Povezanost rada

Brodogradnja, Strojarstvo, Matematika

Poveznice
Indeksiranost