Bayesian operational modal analysis with buried modes

• Published in: Mechanical systems and signal processing Vol. 121; pp. 246 - 263
• Main Authors: Zhu, Yi-Chen, Au, Siu-Kui, Brownjohn, James Mark William
• Format: Journal Article
• Language: English
• Published: Berlin Elsevier Ltd 15.04.2019; Elsevier BV
• Subjects: Algorithms; Ambient data; Bayesian analysis; Bayesian methods; Buried mode; Field tests; Frequency domain analysis; Identification methods; Modal analysis; Modal identification; Operational modal analysis; Parameter identification; Parameter uncertainty; Suspension bridges; Vibration analysis; Vibration measurement; Vibration tests; Ambient data; Buried mode; Bayesian methods; Operational modal analysis

•Model for buried mode situation in operational modal analysis.•Bayesian operation modal analysis formulation and fast algorithm for determining the most probable value of buried mode.•Examples with synthetic and field data, including challenging transverse modes of a long-span bridge. In full-scale...