Baseline-free local stress measurement based on the multi-directional polarization characteristics of zero-group velocity Lamb waves
Tianchen Sheng, Yichao Tang, Hao Cong, Jiaxin Li, WeiJia Shi, Xinqi Tian, Bo Zhao, Jiubin Tan
Topics & Concepts
Lamb wavesAcousticsRobustness (evolution)Structural health monitoringPolarization (electrochemistry)TransducerPiezoelectricityStress (linguistics)AnisotropyUltrasonic sensorPiezoelectric sensorSignal processingObservational errorSIGNAL (programming language)Range (aeronautics)Materials scienceImage resolutionLow frequencyAcoustic emissionMeasurement uncertaintyPower (physics)Flexibility (engineering)PhysicsStructural engineeringRangingSurface waveSpectral densityUltrasonics and Acoustic Wave PropagationSeismic Waves and AnalysisUltrasound Imaging and Elastography