Effects of axial load and structural damping on wave propagation in periodic Timoshenko beams on elastic foundations under moving loads
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- 作者：Lan Dinga ; Hong-Ping Zhub ; Li Wua ; lwu@cug.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Composite beam ; Wave attenuation ; Axial load ; Structural damping ; Moving load
- 刊名：Physics Letters A
- 出版年：2016
- 出版时间：15 July 2016
- 年：2016
- 卷：380
- 期：31-32
- 页码：2335-2341
- 全文大小：495 K
文摘
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Compression makes stop bands shift towards lower velocities and the reverse occurs with tension.
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Structural damping dominates the attenuation of waves for a disordered damped beam.
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The bands can be tuned according to axial load, damping factor, disorder level and moving load velocity.