Modal identification methods in time domain numerical tests and applications in civil engineering

Prior, Ana; Oliveira, Sérgio; Freitas, Matilde

http://hdl.handle.net/10400.21/8835

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Authors

Prior, Ana

Oliveira, Sérgio

Freitas, Matilde

Abstract(s)

This work intends to contribute to the development and use of time domain modal identification methods, namely the Maximum Likelihood Method (MLM) and the Covariance-Driven Stochastic Subspace Identification Method (SSI-Cov). Both methods are studied using numerically generated data and the SSI-Cov method is applied to the analysis of dam vibration records, due to environmental excitation.

Keywords

Time domain modal identification Maximum Likelihood Method Dam vibrations

URI

http://hdl.handle.net/10400.21/8835

Citation

PRIOR, Ana; OLIVEIRA, Sérgio; FREITAS, Matilde – Modal identification methods in time domain numerical tests and applications in civil engineering . In 6th International Conference Integrity-Reliability-Failure. Lisbon, Portigal: INEGI/FEUP, 2018. ISBN 978-989-20-8313-1. Pp. 539-540