Asynchronous parametric excitation: validation of theoretical results by electronic circuit simulation
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-05870-6
Abstract: A validation of recent theoretical results on the stability effects of asynchronous parametric excitation is presented. In particular, the coexistence of both resonance and anti-resonance at each combination resonance frequency is to be confirmed on… read more here.
Keywords: resonance; electronic circuit; parametric excitation; excitation ... See more keywords
Global stability effects of parametric excitation
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.02.014
Abstract: Abstract Stability investigations of general non-conservative parametrically excited systems with asynchronous excitation are presented. Focusing on the global stability effects outside of the traditional resonance areas, systems with two degrees of freedom are considered featuring… read more here.
Keywords: global stability; effects parametric; stability effects; excitation ... See more keywords
Periodic track model for the prediction of railway induced vibration due to parametric excitation
Sign Up to like & getrecommendations! Published in 2018 at "Transportation Geotechnics"
DOI: 10.1016/j.trgeo.2018.09.015
Abstract: Abstract Railway induced ground-borne vibration in urban areas has become a major environmental problem with large societal impact. Accurate computational models for the prediction of railway induced vibration generally require extensive modeling effort and computation… read more here.
Keywords: induced vibration; track; vibration; parametric excitation ... See more keywords
Noncontact Dynamic Oscillations of Acoustically Levitated Particles by Parametric Excitation
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.12.034031
Abstract: The phenomenon of $a\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}u\phantom{\rule{0}{0ex}}s\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}c$ $l\phantom{\rule{0}{0ex}}e\phantom{\rule{0}{0ex}}v\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}i\phantom{\rule{0}{0ex}}o\phantom{\rule{0}{0ex}}n$ has lately found application in noncontact particle manipulation in research laboratories, but is not mature enough for commercial use, as the dynamics of a levitated particle are not understood well… read more here.
Keywords: rule 0ex; phantom rule; 0ex phantom; parametric excitation ... See more keywords
Parametric excitation of optical phonons in weakly polar narrow band gap magnetized semiconductor plasmas
Sign Up to like & getrecommendations! Published in 2017 at "Modern Physics Letters B"
DOI: 10.1142/s0217984917502943
Abstract: An analytical treatment based on the hydrodynamic model of plasmas is developed to study parametric amplification and oscillation of optical phonon modes in weakly polar narrow direct-gap magnetize... read more here.
Keywords: plasmas; gap; weakly polar; excitation optical ... See more keywords