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Keywords: parametric excitation
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Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2022, 89(11): 111005.
Paper No: JAM-22-1252
Published Online: September 27, 2022
... the band gap and obtain the unusual roton-like behavior, the Kapitza’s pendulums and nonlocal connection stiffness are introduced into the linear mass-spring periodic system. The frequency range with the roton-like behavior is modulated via the parametric excitation. Moreover, the dispersion relations show...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2009, 76(3): 031006.
Published Online: March 9, 2009
...-loop parametric excitation are introduced to stabilize this self-excitation mechanism. The parametric excitation mechanism is modeled by time-harmonic variation in the concentrated mass and/or moment of inertia. The conditions for full suppression of the self-excited vibrations are determined...