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[PENDING] Multi-harmonic measurements and numerical simulations of nonlinear vibrations of a beam with non-ideal boundary conditions

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Figure 1: A schematic (a) and a picture (b) of the experimental setup which includes 3 accelerometers (P1,P2,A1) and a strain gage (S1).
Figure 2: Harmonic response of the beam to 3 levels of excitation signal: in blue 2 m.s −2 , in green 4 m.s −2 and in red 6 m.s −2 .
Figure 3: Harmonics’ extraction algorithm scheme.
Figure 4: Frequency estimation block scheme.
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