The effect of axial loads on free vibration of symmetric frame structures using continuous system method

The free vibration of frame structures has been usually studied in literature without considering the effect of axial loads. In this paper, the continuous system method is employed to investigate this effect on the free flexural and torsional vibration of two and three dimensional symmetric frames....

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Autores principales:	Elham Ghandi, Behzad Rafezy
Formato:	article
Lenguaje:	FA
Publicado:	Iranian Society of Structrual Engineering (ISSE) 2016
Materias:	axial load continuous system method frame structures free flexural torsional vibration Bridge engineering TG1-470 Building construction TH1-9745
Acceso en línea:	https://doaj.org/article/5561fd0643db48c7a7b8f84bde5c34db
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id	oai:doaj.org-article:5561fd0643db48c7a7b8f84bde5c34db
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spelling	oai:doaj.org-article:5561fd0643db48c7a7b8f84bde5c34db2021-11-08T15:45:57ZThe effect of axial loads on free vibration of symmetric frame structures using continuous system method2476-39772538-2616https://doaj.org/article/5561fd0643db48c7a7b8f84bde5c34db2016-09-01T00:00:00Zhttps://www.jsce.ir/article_38576_dc39f286d3b1de9582415d73318287bf.pdfhttps://doaj.org/toc/2476-3977https://doaj.org/toc/2538-2616The free vibration of frame structures has been usually studied in literature without considering the effect of axial loads. In this paper, the continuous system method is employed to investigate this effect on the free flexural and torsional vibration of two and three dimensional symmetric frames. In the continuous system method, in approximate analysis of buildings, commonly, the structure is replaced by an equivalent beam which matches the dominant characteristics of the structure. Accordingly, the natural frequencies of the symmetric frame structures are obtained through solving the governing differential equation of the equivalent beam whose stiffness and mass are supposed to be uniformly distributed along the length. The corresponding axial load applied to the replaced beam is calculated based on the total weight and the number of stories of the building. A numerical example is presented to show the simplicity and efficiency of the proposed solution.Elham GhandiBehzad RafezyIranian Society of Structrual Engineering (ISSE)articleaxial loadcontinuous system methodframe structuresfree flexuraltorsional vibrationBridge engineeringTG1-470Building constructionTH1-9745FAJournal of Structural and Construction Engineering, Vol 3, Iss 2, Pp 86-100 (2016)
institution	DOAJ
collection	DOAJ
language	FA
topic	axial load continuous system method frame structures free flexural torsional vibration Bridge engineering TG1-470 Building construction TH1-9745
spellingShingle	axial load continuous system method frame structures free flexural torsional vibration Bridge engineering TG1-470 Building construction TH1-9745 Elham Ghandi Behzad Rafezy The effect of axial loads on free vibration of symmetric frame structures using continuous system method
description	The free vibration of frame structures has been usually studied in literature without considering the effect of axial loads. In this paper, the continuous system method is employed to investigate this effect on the free flexural and torsional vibration of two and three dimensional symmetric frames. In the continuous system method, in approximate analysis of buildings, commonly, the structure is replaced by an equivalent beam which matches the dominant characteristics of the structure. Accordingly, the natural frequencies of the symmetric frame structures are obtained through solving the governing differential equation of the equivalent beam whose stiffness and mass are supposed to be uniformly distributed along the length. The corresponding axial load applied to the replaced beam is calculated based on the total weight and the number of stories of the building. A numerical example is presented to show the simplicity and efficiency of the proposed solution.
format	article
author	Elham Ghandi Behzad Rafezy
author_facet	Elham Ghandi Behzad Rafezy
author_sort	Elham Ghandi
title	The effect of axial loads on free vibration of symmetric frame structures using continuous system method
title_short	The effect of axial loads on free vibration of symmetric frame structures using continuous system method
title_full	The effect of axial loads on free vibration of symmetric frame structures using continuous system method
title_fullStr	The effect of axial loads on free vibration of symmetric frame structures using continuous system method
title_full_unstemmed	The effect of axial loads on free vibration of symmetric frame structures using continuous system method
title_sort	effect of axial loads on free vibration of symmetric frame structures using continuous system method
publisher	Iranian Society of Structrual Engineering (ISSE)
publishDate	2016
url	https://doaj.org/article/5561fd0643db48c7a7b8f84bde5c34db
work_keys_str_mv	AT elhamghandi theeffectofaxialloadsonfreevibrationofsymmetricframestructuresusingcontinuoussystemmethod AT behzadrafezy theeffectofaxialloadsonfreevibrationofsymmetricframestructuresusingcontinuoussystemmethod AT elhamghandi effectofaxialloadsonfreevibrationofsymmetricframestructuresusingcontinuoussystemmethod AT behzadrafezy effectofaxialloadsonfreevibrationofsymmetricframestructuresusingcontinuoussystemmethod
_version_	1718441661183295488

The effect of axial loads on free vibration of symmetric frame structures using continuous system method

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