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Eigenfrequency spectrum analysis of bending vibrations for naturally swirled rod
Author(s) -
V. P. Pavlov,
V. M. Kudoyarova,
L. R. Nusratullina
Publication year - 2020
Publication title -
iop conference series materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/709/2/022059
Subject(s) - vibration , bending , rod , connecting rod , structural engineering , transverse vibration , transverse plane , spline (mechanical) , physics , mechanics , classical mechanics , engineering , mechanical engineering , acoustics , medicine , alternative medicine , pathology
The paper presents a numerical method for calculation of eigenfrequency vibration for naturally twisted rod considered as a first approximation model of a real blade of a gas turbine engine (GTE). The proposed method is based on the method of a fifth-degree spline developed by the authors. This method makes possible to solve fourth-order differential equations very accurately that arising in problems of transverse vibrations of rods. These research are focused on studying the more complex vibration process of a rod's spatial bending unlike the known works where bending vibrations are considered only in a single plane.

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