Crack Identification and Noise Sensitivity Analysis of Simplified Blades for Small Wind Turbines Based on Multi-Point Acceleration Responses
This paper investigates crack-severity identification in a simplified isotropic steel blade using finite-element-generated multi-point acceleration responses. A finite element model of an equal-section S822 blade is established with four states: healthy, 1 mm crack, 3 mm crack, and 6 mm crack. Twenty transient response...