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Journal of Applied Mechanics and Technical Physics

2020 year, number 6

Interaction of Forced and Parametric Vibrations of a Pipeline

M. A. Ilgamov, M. M. Shakiryanov
Mavlyutov Institute of Mechanics, Ufa Federal Research Center RAS, Ufa, Russia
Keywords: pipeline, variable pressure, forced and parametric vibrations, interaction


The bending vibrations of a pipeline under the influence of the variable pressure of the transported fluid and the vertical vibrational motion of the supports are studied. The first mode of vibration is considered. Nonlinear forced parametric vibrations and their interaction are studied. The results of approximate analytical and numerical solutions are compared.