Transverse vibration of an axially compressed bar with dry friction at its ends

The transverse vibration of a bar is studied by applying the Bernoulli-Euler beam theory. The bar is placed between the platens of a hydraulic press that applies compressive stress. When the bar vibrates, its ends slide over the platens with dry friction. Boundary conditions appropriate to the exist...

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Autores: Nieves Pavón, Francisco José; Bayón Rojo, Ana Isabel; Salazar Bloise, Félix José; Gascón Latasa, Francisco
Tipo de documento: Artículo
Estado:Published version
Fecha de publicación:2025
País:España
Institución:Universidad de Sevilla (US)
Repositorio:idUS. Depósito de Investigación de la Universidad de Sevilla
OAI Identifier:oai:idus.us.es:11441/175047
Acceso en línea:https://hdl.handle.net/11441/175047
https://doi.org/10.1016/j.finmec.2025.100320
Nivel de acceso:Acceso abierto
Palabra clave:Bernoulli-Euler beam theory
Bar with sliding ends
Transverse vibration
Axially compressed bar
Dry friction
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author Nieves Pavón, Francisco José
author2 Bayón Rojo, Ana Isabel
Salazar Bloise, Félix José
Gascón Latasa, Francisco
author2_role author
author
author
author_browse Bayón Rojo, Ana Isabel
Gascón Latasa, Francisco
Nieves Pavón, Francisco José
Salazar Bloise, Félix José
author_facet Nieves Pavón, Francisco José
Bayón Rojo, Ana Isabel
Salazar Bloise, Félix José
Gascón Latasa, Francisco
author_role author
collection idUS. Depósito de Investigación de la Universidad de Sevilla
description The transverse vibration of a bar is studied by applying the Bernoulli-Euler beam theory. The bar is placed between the platens of a hydraulic press that applies compressive stress. When the bar vibrates, its ends slide over the platens with dry friction. Boundary conditions appropriate to the existence of friction are proposed. Once the homogeneous equation of motion is solved analytically, a particular solution is obtained through elementary trigonometric series. The sum of these solutions provides the general solution that shows the movement of all the bar points. The movement is divided into successive stages. The displacement of the bar points as a function of time is calculated numerically. It is demonstrated that there is a sudden change in the shape of vibrating when a specific number of semi-oscillations is reached, going from a behaviour of sliding ends to another of fixed ends. Criteria are proposed to estimate the circumstances in which the partial stop of the vibration occurs, as well as a change in the vibration mode and its frequency.
eu_rights_str_mv openAccess
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institution Universidad de Sevilla (US)
instname_str Universidad de Sevilla (US)
network_acronym_str ES
network_name_str España
oai_identifier_str oai:idus.us.es:11441/175047
publishDate 2025
publishDateSort 2025
publisher Elsevier
publisherStr Elsevier
reponame_str idUS. Depósito de Investigación de la Universidad de Sevilla
spelling Transverse vibration of an axially compressed bar with dry friction at its ends Nieves Pavón, Francisco José Bayón Rojo, Ana Isabel Salazar Bloise, Félix José Gascón Latasa, Francisco Bernoulli-Euler beam theory Bar with sliding ends Transverse vibration Axially compressed bar Dry friction The transverse vibration of a bar is studied by applying the Bernoulli-Euler beam theory. The bar is placed between the platens of a hydraulic press that applies compressive stress. When the bar vibrates, its ends slide over the platens with dry friction. Boundary conditions appropriate to the existence of friction are proposed. Once the homogeneous equation of motion is solved analytically, a particular solution is obtained through elementary trigonometric series. The sum of these solutions provides the general solution that shows the movement of all the bar points. The movement is divided into successive stages. The displacement of the bar points as a function of time is calculated numerically. It is demonstrated that there is a sudden change in the shape of vibrating when a specific number of semi-oscillations is reached, going from a behaviour of sliding ends to another of fixed ends. Criteria are proposed to estimate the circumstances in which the partial stop of the vibration occurs, as well as a change in the vibration mode and its frequency. Elsevier https://hdl.handle.net/11441/175047 https://doi.org/10.1016/j.finmec.2025.100320
spellingShingle Transverse vibration of an axially compressed bar with dry friction at its ends
Nieves Pavón, Francisco José
Bernoulli-Euler beam theory
Bar with sliding ends
Transverse vibration
Axially compressed bar
Dry friction
status_str publishedVersion
title Transverse vibration of an axially compressed bar with dry friction at its ends
title_full Transverse vibration of an axially compressed bar with dry friction at its ends
title_fullStr Transverse vibration of an axially compressed bar with dry friction at its ends
title_full_unstemmed Transverse vibration of an axially compressed bar with dry friction at its ends
title_short Transverse vibration of an axially compressed bar with dry friction at its ends
title_sort Transverse vibration of an axially compressed bar with dry friction at its ends
topic Bernoulli-Euler beam theory
Bar with sliding ends
Transverse vibration
Axially compressed bar
Dry friction
topic_facet Bernoulli-Euler beam theory
Bar with sliding ends
Transverse vibration
Axially compressed bar
Dry friction
url https://hdl.handle.net/11441/175047
https://doi.org/10.1016/j.finmec.2025.100320