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.
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February 2019
Research-Article
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
S. S. Gómez,
S. S. Gómez
Faculty of Civil Engineering and Geosciences,
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands;
TNO Structural Dynamics,
Leeghwaterstraat 44,
Delft 2628CA, The Netherlands
e-mail: s.anchezgomez-1@tudelft.nl
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands;
TNO Structural Dynamics,
Leeghwaterstraat 44,
Delft 2628CA, The Netherlands
e-mail: s.anchezgomez-1@tudelft.nl
Search for other works by this author on:
A. V. Metrikine
A. V. Metrikine
Faculty of Civil Engineering and Geosciences,
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands
e-mail: A.Metrikine@tudelft.nl
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands
e-mail: A.Metrikine@tudelft.nl
Search for other works by this author on:
S. S. Gómez
Faculty of Civil Engineering and Geosciences,
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands;
TNO Structural Dynamics,
Leeghwaterstraat 44,
Delft 2628CA, The Netherlands
e-mail: s.anchezgomez-1@tudelft.nl
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands;
TNO Structural Dynamics,
Leeghwaterstraat 44,
Delft 2628CA, The Netherlands
e-mail: s.anchezgomez-1@tudelft.nl
A. V. Metrikine
Faculty of Civil Engineering and Geosciences,
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands
e-mail: A.Metrikine@tudelft.nl
Department of Structural Engineering,
Delft University of Technology,
Stevinweg 1,
Delft 2628CN, The Netherlands
e-mail: A.Metrikine@tudelft.nl
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received February 1, 2018; final manuscript received July 19, 2018; published online September 10, 2018. Assoc. Editor: Jeffrey F. Rhoads.
J. Vib. Acoust. Feb 2019, 141(1): 011013 (11 pages)
Published Online: September 10, 2018
Article history
Received:
February 1, 2018
Revised:
July 19, 2018
Citation
Gómez, S. S., and Metrikine, A. V. (September 10, 2018). "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." ASME. J. Vib. Acoust. February 2019; 141(1): 011013. https://doi.org/10.1115/1.4040975
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