Abstract
The effects of parametric excitation on a traveling beam, both with and without an external harmonic excitation, have been studied including the non-linear terms. Non-linear, complex normal modes have been used for the response analysis. Detailed numerical results are presented to show the effects of non-linearity on the stability of the parametrically excited system. In the presence of both parametric and external harmonic excitations, the response characteristics are found to be similar to that of a Duffing oscillator. The results are sensitive to the relative strengths of and the phase difference between the two forms of excitations.
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Chakraborty, G., Mallik, A.K. Parametrically Excited Non-Linear Traveling Beams with and without External Forcing. Nonlinear Dynamics 17, 301–324 (1998). https://doi.org/10.1023/A:1008391503175
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DOI: https://doi.org/10.1023/A:1008391503175