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Vibration control in fluid conveying pipes using NES with nonlinear damping by Rony Philip; B. Santhosh; Bipin Balaram; Jan Awrejcewicz is a Engineering article available to read on EtoBox.

What is Vibration control in fluid conveying pipes using NES with nonlinear damping about?

Control of vibrations in fluid transmitting pipes has emerged as a major engineering challenge. For higher fluid flow rate, support vibration, and excitation load, the vibrations in pipes that convey fluid can be complex and, at times, catastrophic. Recent works have demonstrated that Nonlinear Energy Sink (NES) can be effectively employed for passive vibration control of fluid-conveying pipes. The present work explores the possibility of using NES with nonlinear damping to overcome the limitations of conventional NES-based vibration control in fluid-transmitting pipes. Geometric nonlinear damping (velocity-displacement dependent damping), whose physical realization is possible by a suitable geometric configuration of the linear viscous damper, is considered in this study. Euler–Bernoulli beam theory models the fluid conveying pipe under an external harmonic load. The reduced order model obtained through the Galerkin procedure is investigated analytically using the complex averaging method. The occurrence of strongly modulated and weakly modulated responses are demonstrated, and their effect on vibration mitigation is shown. The frequency range exhibiting strongly modulated respons

Who reads Vibration control in fluid conveying pipes using NES with nonlinear damping?

Author

Rony Philip; B. Santhosh; Bipin Balaram; Jan Awrejcewicz

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Engineering (Physical Sciences)