Free vibrations of a certain geometrically nonlinear system with initial imperfection

descriptionPublicationkeyboard_double_arrow_right Article 01 Jul 1990 English Publisher:American Institute of Aeronautics and Astronautics (AIAA)Journal:AIAA Journal, volume 28, pages 1,240-1,245 (issn: 0001-1452, eissn: 1533-385X,

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Authors: Lech Tomski; Stanislaw Kukla;

doi: 10.2514/3.25200

Free vibrations of a certain geometrically nonlinear system with initial imperfection

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Abstract

The equations of motion of a beam are assumed within the framework of the moderately large bending theory. The effects of an initial imperfection and amplitude on the nonlinear vibration frequency and value of axial internal force in a beam are presented. For solving the problem, the Lindstedt-Poincare method is used

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