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research-article

Identification of energy dissipation in structural joints by means of the energy flow analysis

[+] Author and Article Information
Sanchez Gomez Gomez

Faculty of civil engineering and Geosciences, Stevinweg 1,2628CN Delft, The Netherlands; TNO Structural dynamics, Van Mourik Broekmanweg 6, 2628XE Delft, The Netherlands
sergio.sanchezgomez@tno.nl

Andrei V. Metrikine

Faculty of civil engineering and Geosciences, Stevinweg 1,2628CN Delft, The Netherlands
a.metrikine@tudelft.nl

Biagio Carboni

Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
biagio.carboni@uniroma1.it

Walter Lacarbonara

Sapienza University of Rome, Via Eudossiana 18, 00184 Rome, Italy
walter.lacarbonara@uniroma1.it

1Corresponding author.

ASME doi:10.1115/1.4037470 History: Received February 28, 2017; Revised July 03, 2017

Abstract

In this paper identification of energy dissipation in the joints of a lab-scale structure is accomplished. The identification is carried out by means of an energy flow analysis and experimental data. The devised procedure enables to formulate damping matrices based on identified local damping coefficients. The identified damping coefficients are latter used in a five-degree-of-freedom system for validation. The results obtained with the proposed method are in good agreement with the experimental data, especially in the low frequency range.

Copyright (c) 2017 by ASME
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