A Multimode Approach to Geometrically Nonlinear Free and Forced Vibrations of Multistepped Beams

<div>Nonlinear frequency response functions, based on a multimode approach, for the three different beams, which are excited by a uniformly distributed harmonic force.</div>

Shock and Vibration

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Figure 12

Figure 12: A Multimode Approach to Geometrically Nonlinear Free and Forced Vibrations of Multistepped Beams 