Wave transmission of linked railcars moving over multi simple beams under dual resonance

淡江大學機構典藏 > 工學院 > 建築學系暨研究所 > 期刊論文 > Item 987654321/116865

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題名:	Wave transmission of linked railcars moving over multi simple beams under dual resonance
作者:	Y.B. Yang;J.D. Yau;S. Urushadzed
關鍵詞:	Coupler;Dual resonance;Floquet-Bloch's theorem;Periodic structure;Train-bridge interaction
日期:	2019-07-21
上傳時間:	2019-06-18 12:10:19 (UTC+8)
出版者:	Elsevier
摘要:	The aim of this article is: (1) to formulate the bridge-induced dual resonance on a moving train with wave transmission; (2) to establish the dispersion relation of wave transmission in periodically linked cars using the Floquet-Bloch theorem; (3) to determine the pass and stop bands of wave transmission from the dispersion relation; and (4) to unveil the key parameters affecting the critical stiffness of the couplers of a train under dual resonance. It was shown that once the dual resonance is invoked, not only does the train's response keep increasing as it moves ahead, but also it is enhanced by the waves transmitted from the front to the rear cars of the train.
關聯:	Journal of Sound and Vibration 452, p.51-57
DOI:	10.1016/j.jsv.2019.03.020
顯示於類別:	[建築學系暨研究所] 期刊論文

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