title: Non-classical nonlinear feature extraction from standard resonance vibration data for damage detection.
abstract: Dynamic non-classical nonlinear analyses show promise for improved damage diagnostics in materials that exhibit such structure at the mesoscale, such as concrete. In this study, nonlinear non-classical dynamic material behavior from standard vibration test data, using pristine and frost damaged cement mortar bar samples, is extracted and quantified. The procedure is robust and easy to apply. The results demonstrate that the extracted nonlinear non-classical parameters show expected sensitivity to internal damage and are more sensitive to changes owing to internal damage levels than standard linear vibration parameters.
authors.affiliation: Instituto de Ciencia y Tecnología del Hormigón (ICITECH), Universitat Politècnica de València, Camino de Vera s/n, Valencia, E-46022 Spain jeseifer@posgrado.upv.es, jmmonzo@cst.upv.es, jjpaya@cst.upv.es.
authors.forename: J N
authors.initials: JN
authors.lastname: Eiras
authors.affiliation: Instituto de Ciencia y Tecnología del Hormigón (ICITECH), Universitat Politècnica de València, Camino de Vera s/n, Valencia, E-46022 Spain jeseifer@posgrado.upv.es, jmmonzo@cst.upv.es, jjpaya@cst.upv.es.
authors.forename: J
authors.initials: J
authors.lastname: Monzó
authors.affiliation: Instituto de Ciencia y Tecnología del Hormigón (ICITECH), Universitat Politècnica de València, Camino de Vera s/n, Valencia, E-46022 Spain jeseifer@posgrado.upv.es, jmmonzo@cst.upv.es, jjpaya@cst.upv.es.
authors.forename: J
authors.initials: J
authors.lastname: Payá
authors.affiliation: Department of Civil Engineering and Engineering Mechanics, University of Arizona, 1209 East Second Street, Tucson, Arizona 85719 tkundu@email.arizona.edu.
authors.forename: T
authors.initials: T
authors.lastname: Kundu
authors.affiliation: Department of Civil and Environmental Engineering, University of Illinois, 205 North Mathews Avenue, Urbana, Illinois 61801 johnpop@illinois.edu.
authors.forename: J S
authors.initials: JS
authors.lastname: Popovics