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New first order shear deformation beam theory with in-plane shear influence (CROSBI ID 223449)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Senjanović, Ivo ; Vladimir, Nikola ; Hadžić, Neven ; Tomić, Marko New first order shear deformation beam theory with in-plane shear influence // Engineering structures, 110 (2016), 169-183. doi: 10.1016/j.engstruct.2015.11.032

Podaci o odgovornosti

Senjanović, Ivo ; Vladimir, Nikola ; Hadžić, Neven ; Tomić, Marko

engleski

New first order shear deformation beam theory with in-plane shear influence

In the conventional formulation of the Timoshenko beam theory bending and shear deflection cannot be determined uniquely. Recently, an alternative formulation which deals with total deflection and bending deflection has been developed with unique results. In the present paper a new beam theory, taking coupling between flexural and in-plane shear vibrations into account, is derived by employing Hamilton’s principle. First, uncoupled flexural and in-plane shear vibrations are considered. Then, coupling of vibrations, manifested in the case of geometric boundary conditions, is realized in a physically transparent way. Accuracy is confirmed by 2D FEM vibration analysis of illustrative examples. The proposed formulation is superior to the known first order shear deformation beam theories.

Modified Timoshenko beam theory; First order shear deformation theory; New deformation concept; Flexural and in-plane shear vibrations

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Podaci o izdanju

110

2016.

169-183

objavljeno

0141-0296

10.1016/j.engstruct.2015.11.032

Povezanost rada

Brodogradnja, Građevinarstvo, Strojarstvo

Poveznice
Indeksiranost