Subharmonic (a), (c) and UFP (b) frequency responses of a crack upon variation of driving frequency (shown by arrow).
Subharmonic and self-modulation spectra as functions of the driving amplitude.
Ultrasubharmonic imaging of fatigue crack driven by input.
UFP spectrum of an impact in GFR composite: ; .
Self-modulation imaging of the impact area in the center of GFR composite: left-hand side: linear image ; right-hand side: “Stokes” tenth harmonic UFP image .
Article metrics loading...
Full text loading...