Full-field optical deformation measurement and operational modal analysis of a flexible rotor blade

•Deformation measurement and Operational Modal Analysis (OMA) of a rotor blade are performed.•Blade deformation is measured by time-resolved stereoscopic Digital Image Correlation (DIC).•Several OMA algorithms are selected for modal parameter identification of the blade structure.•No conventional on...

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Veröffentlicht in:	Mechanical systems and signal processing 2019-11, Vol.133, p.106265, Article 106265
Hauptverfasser:	Uehara, Daiju, Sirohi, Jayant
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Deformation Digital image correlation Digital imaging Dynamic characteristics Mathematical models Modal analysis Modal damping Modal identification Numerical models Operational modal analysis Optical deformation measurement Pitch (inclination) Rotor blade dynamics Rotor blades Vibration
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