Resonance reduction for linked train cars moving on multiple simply supported bridges

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378297%3A_____%2F24%3A00574140" target="_blank" >RIV/68378297:_____/24:00574140 - isvavai.cz</a>
Result on the web
<a href="https://doi.org/10.1016/j.jsv.2023.117963" target="_blank" >https://doi.org/10.1016/j.jsv.2023.117963</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jsv.2023.117963" target="_blank" >10.1016/j.jsv.2023.117963</a>

Result language
angličtina
Original language name
Resonance reduction for linked train cars moving on multiple simply supported bridges
Original language description
The dynamic interaction of a moving train over a series of railway bridges with equal spans can result in a coupled vibration problem of wave transmission between two periodic structures. Dual resonance occurs when both systems vibrate in phase and the train travels at a resonant speed. The objectives of this paper are to (1) develop an active pitching resonator (APR) to attenuate resonance waves in a train, (2) study the dispersion relation for pitching motion control of periodically linked train cars, (3) investigate the key parameters that affect the dispersion band gaps of wave attenuation in a train, (4) present an active vibration cancellation method to enhance the control performance of the APR, and (5) demonstrate the effectiveness of using the optimal APRs to reduce resonance of a moving train. Through dispersion analysis, the optimum APR can not only shift the target frequency level away from resonance of a moving train, but also create a wide resonance band gap to reduce wave transmission in the train. Finally, the effectiveness of the optimum APR unit in reducing the resonance and attenuating the waves of a train travelling over multiple-span simple beams is demonstrated by dynamic finite element analysis of the train-bridge interaction.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20101 - Civil engineering

Project
<a href="/en/project/GC21-32122J" target="_blank" >GC21-32122J: Vehicle scanning-based structure monitoring for cable supported bridges</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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