Internal and combinational resonances of a three-story structure

WU Zhi-qiang;CHEN Shi-dong;LEI Na;GONG Ming-xu

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (8) : 1-3.

PDF(1415 KB)
PDF(1415 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (8) : 1-3.
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Internal and combinational resonances of a three-story structure

  • WU Zhi-qiang, CHEN Shi-dong, LEI Na, GONG Ming-xu
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Abstract

Experiments on internal and combinational resonances of a three-story structure are investigated. The frequency ratio between the first and the second modal of the structure is set near 1:3 by modal design. The internal resonance behaviors are found when the excitation frequency is near that of the first or second modal frequency. Meanwhile, several types of combinational resonances are found in this structure. These results made a foundation for future modification of the nonlinear vibration equipment.


Key words

three-layer structure / internal resonance / combination resonance

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WU Zhi-qiang;CHEN Shi-dong;LEI Na;GONG Ming-xu. Internal and combinational resonances of a three-story structure[J]. Journal of Vibration and Shock, 2014, 33(8): 1-3
PDF(1415 KB)

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