Guided ultrasonic waves 5 Composite plates 3 Carbon fibers 2 Composite plate 2 Low-velocity impact damage 2 Plates (structural components) 2 Ultrasonic testing 2 Ultrasonic waves 2 3D finite element 1 3D-finite element analysis 1 ABAQUS 1 Amplitude 1 Carbon fiber composite 1 Composite models 1 Delamination 1 Delamination shape 1 Excitation frequency 1 Finite element method 1 Guided electromagnetic wave propagation 1 Guided waves 1 Impact damage 1 Internal defects 1 Low velocity impact 1 Low-velocity impact 1 MATLAB 1 Manufacture 1 Non-destructive evaluation methods 1 Non-destructive monitoring 1 Non-destructive testing 1 Nondestructive examination 1