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Observations on the vibration of axially-tensioned elastomeric pipes conveying fluids

Zhang, Y.L. and Gorman, Daniel and Reese, Jason and Horacek, Jaromir (2000) Observations on the vibration of axially-tensioned elastomeric pipes conveying fluids. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 214 (3). pp. 423-434. ISSN 0954-4062

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Abstract

A study of the effect of axial tension on the vibration of a single-span elastomeric pipe clamped at both ends conveying fluid has been carried out both experimentally and theoretically. A new mathematical model using a penalty function technique and the method of kinematic correction and fictitious loads has been developed. The influence of flowing fluid and axial tension on natural frequencies and mode shapes of the system has been described using this model and compared with experimental observations. Linear and non-linear dynamic response of the harmonically excited pipe has also been investigated for varying flow velocities and initial axial tensions.