Random vibration based damage detection for a composite beam under environmental and operational variability via a stochastic Functional Model based methodTryfon-Chrysovalantis Aravanis, Spiros Kolovos, John Sakellariou and Spilios FassoisMATEC Web Conf., 188 (2018) 01003DOI: https://doi.org/10.1051/matecconf/201818801003