吉林大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (05): 1295-1301.doi: 10.7964/jdxbgxb201305024

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Vibration compression of quadrate steel beams using mechanical mobility method

HOU Shou-wu, JIAO Ying-hou, CHEN Zhao-bo, LI Ming-zhang   

  1. College of Mechatronic Engineering, Harbin Institute of Technology, Harbin 150001, China
  • Received:2012-05-21 Online:2013-09-01 Published:2013-09-01

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Abstract:

The vibration response equation of an infinite plate with quadrate steel beams under point force load is derived using mechanical mobility method. The effects of different layouts of quadrate steel beams on plate vibration are investigated by numerical calculation. The results show that the vibration level difference of the target area decrease with the increase in the distance from the load to the target area;the vibration of the target area that is far from the load and near the symmetry axis is amplified for plate with single quadrate beam or several parallel quadrate beams. The symmetrical characteristic of the vibration distribution in infinite plate is remodeled by several non-parallel quadrate beams. The vibration suppression capacity is enhanced by increasing the angle between quadrate beams.

Key words: mechanics, mechanical mobility method, square steel beam, vibration suppression, vibration level

CLC Number: 

  • TH113

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