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The Energy Flow Analysis as a Tool for Identification of Damping in Tall Buildings Subjected to Wind: Contributions of the Foundation and the Building Structure

descriptionPublicationkeyboard_double_arrow_right Article , Journal 10 Sep 2018 Netherlands Publisher:ASME InternationalJournal:Journal of Vibration and Acoustics, volume 141 (issn: 1048-9002, eissn: 1528-8927,

Authors: Gómez, S.S.; Metrikine, A.V.;

doi: 10.1115/1.4040975

The Energy Flow Analysis as a Tool for Identification of Damping in Tall Buildings Subjected to Wind: Contributions of the Foundation and the Building Structure

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Abstract

In this paper, the energy dissipated in a tall building is identified by means of the energy flow analysis. This approach allows assessing energy dissipation within a specific domain or element of the structure. In this work, the focus is placed on the superstructure, which is the part of the building above the ground, and on the foundation. Damping operators for the superstructure and the foundation are formulated based on the identified energy dissipation in these parts of the building. The obtained damping operators are used to compute the modal damping ratios in a simplified model of the building. The modal damping ratios of the three lowest modes of vibration are compared to those identified in full-scale measurements by means of the half-power bandwidth method.

Country

Netherlands

Related Organizations

Delft University of Technology
Netherlands

Keywords

Energy dissipation, Buildings and Infrastructures, Urbanisation, Energy flow analysis, Damping, Full scale measurements, Building structure, Modal damping ratios, Tall buildings, 2015 Urbanisation

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	3
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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Average
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average