Bayesian operational modal analysis of offshore rock lighthouses : close modes, alignment, symmetry and uncertainty

• Main Authors: Brownjohn, James Mark William, Raby, Alison, Au, Siu-Kui, Zhu, Zuo, Wang, Xinrui, Antonini, Alessandro, Pappas, Athanasios, D'Ayala, Dina
• Other Authors: School of Civil and Environmental Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Civil engineering; Lighthouse Condition Assessment System Identification; Bayesian OMA
• Online Access: https://hdl.handle.net/10356/148869
• Institution: Nanyang Technological University

Despite use of GPS, lighthouses remain critical infrastructure for preserving safety of mariners and maritime trade, and the most dramatic examples are probably the Victorian era masonry towers located on remote offshore reefs around the British Isles and exposed to extreme weather conditions. Due t...