Mode coupling internal resonance characteristics of submerged floating tunnel tether
Article Highlights When the tether is only subjected to in-plane or out of plane harmonic loads, if the first-order in-plane and out of plane frequencies of tether are close to each other, the tether is prone to occur modal coupling internal resonance. Since the frequencies of in-plane and out-of-pl...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Springer
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/7eeb48ec688b4957880ee8af9859deaf |
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| Sumario: | Article Highlights When the tether is only subjected to in-plane or out of plane harmonic loads, if the first-order in-plane and out of plane frequencies of tether are close to each other, the tether is prone to occur modal coupling internal resonance. Since the frequencies of in-plane and out-of-plane of the tether are not exactly the same. Thus, when modal coupling internal resonance occurs, the external excitation frequency is closer to the first-order modal frequency of the non-load acting plane. When excitation amplitude is a fixed value, increasing the damping ratio may inhibit the occurrence of mode coupling internal resonance and effectively reduce the mid-span amplitude of tether. |
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