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Theoretical and experimental free vibration analysis of a beam-tendon system with an eccentrically placed tendon

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@article{a911fca559164e0fb171c77956026623,
title = "Theoretical and experimental free vibration analysis of a beam-tendon system with an eccentrically placed tendon",
abstract = "Theoretical and experimental free vibration analysis of a beam-tendon system is presented in this paper. The system consists of a thin-walled cantilever beam with an open cross-section and a tip mass which is loaded by an eccentrically placed tendon. The novel beam-tendon system is modelled using a set of partial differential equations and numerical free vibration analysis is conducted using a boundary problem solver. The results are thoroughly validated using a bench-top experiment and a high-fidelity finite element model. The effect of the tendon location on the frequency-loading diagrams is systematically investigated for the first time. The results demonstrate that the location of the tendon significantly influences natural frequency shifts caused by the applied axial load and it is observed that some natural frequencies can even increase with the increasing compressive axial loading for certain locations of the tendon. In addition, veering between the beam-dominated and tendon-dominated modes is studied and the structural stability of the system is discussed. The paper concludes with suggestions of practical applications of a beam-tendon system with an eccentrically placed tendon",
keywords = "beam-tendon system, Free vibration analysis, Eccentric axial loading, Frequency loci veering, Frequency-loading diagram",
author = "Vaclav Ondra and Branislav Titurus",
year = "2019",
month = "8",
day = "27",
doi = "10.1016/j.tws.2019.106347",
language = "English",
journal = "Thin-Walled Structures",
issn = "0263-8231",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Theoretical and experimental free vibration analysis of a beam-tendon system with an eccentrically placed tendon

AU - Ondra, Vaclav

AU - Titurus, Branislav

PY - 2019/8/27

Y1 - 2019/8/27

N2 - Theoretical and experimental free vibration analysis of a beam-tendon system is presented in this paper. The system consists of a thin-walled cantilever beam with an open cross-section and a tip mass which is loaded by an eccentrically placed tendon. The novel beam-tendon system is modelled using a set of partial differential equations and numerical free vibration analysis is conducted using a boundary problem solver. The results are thoroughly validated using a bench-top experiment and a high-fidelity finite element model. The effect of the tendon location on the frequency-loading diagrams is systematically investigated for the first time. The results demonstrate that the location of the tendon significantly influences natural frequency shifts caused by the applied axial load and it is observed that some natural frequencies can even increase with the increasing compressive axial loading for certain locations of the tendon. In addition, veering between the beam-dominated and tendon-dominated modes is studied and the structural stability of the system is discussed. The paper concludes with suggestions of practical applications of a beam-tendon system with an eccentrically placed tendon

AB - Theoretical and experimental free vibration analysis of a beam-tendon system is presented in this paper. The system consists of a thin-walled cantilever beam with an open cross-section and a tip mass which is loaded by an eccentrically placed tendon. The novel beam-tendon system is modelled using a set of partial differential equations and numerical free vibration analysis is conducted using a boundary problem solver. The results are thoroughly validated using a bench-top experiment and a high-fidelity finite element model. The effect of the tendon location on the frequency-loading diagrams is systematically investigated for the first time. The results demonstrate that the location of the tendon significantly influences natural frequency shifts caused by the applied axial load and it is observed that some natural frequencies can even increase with the increasing compressive axial loading for certain locations of the tendon. In addition, veering between the beam-dominated and tendon-dominated modes is studied and the structural stability of the system is discussed. The paper concludes with suggestions of practical applications of a beam-tendon system with an eccentrically placed tendon

KW - beam-tendon system

KW - Free vibration analysis

KW - Eccentric axial loading

KW - Frequency loci veering

KW - Frequency-loading diagram

U2 - 10.1016/j.tws.2019.106347

DO - 10.1016/j.tws.2019.106347

M3 - Article

JO - Thin-Walled Structures

JF - Thin-Walled Structures

SN - 0263-8231

ER -