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Vertical Vibration Propagation in Periodic Frame Structures
In this work, the periodic structure theory is used to analyze the vertical vibration properties in periodic frame structures. The simplified model of the periodic unit cell is built, and governing equations for vertical vibration/waves propagation in the infinite system are derived. With the help of the state space transfer matrix method/SS-TMM, governing equations of the considered system are solved, from which the dispersion curves are obtained and attenuation zones are observed. Numerical simulations are conducted to investigate the dynamic property of the finite periodic frame structure. It is found vertical vibrations are propagated in frame structure selectively. This filtering effect could be used to isolate harmful environmental vibrations.
Vertical Vibration Propagation in Periodic Frame Structures
In this work, the periodic structure theory is used to analyze the vertical vibration properties in periodic frame structures. The simplified model of the periodic unit cell is built, and governing equations for vertical vibration/waves propagation in the infinite system are derived. With the help of the state space transfer matrix method/SS-TMM, governing equations of the considered system are solved, from which the dispersion curves are obtained and attenuation zones are observed. Numerical simulations are conducted to investigate the dynamic property of the finite periodic frame structure. It is found vertical vibrations are propagated in frame structure selectively. This filtering effect could be used to isolate harmful environmental vibrations.
Vertical Vibration Propagation in Periodic Frame Structures
Lecture Notes in Civil Engineering
Tutumluer, Erol (editor) / Chen, Xiaobin (editor) / Xiao, Yuanjie (editor) / Cheng, Zhibao (author) / Huang, Zhongyuan (author) / Shi, Zhifei (author)
Advances in Environmental Vibration and Transportation Geodynamics ; Chapter: 65 ; 959-968
2020-04-08
10 pages
Article/Chapter (Book)
Electronic Resource
English
Vertical Vibration Propagation in Periodic Frame Structures
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