In a space frame, there exist in- and out-of-plane bending, axial, and torsional vibrations. The analysis of complex vibrations in such structures has relied mostly on numerical approaches. In this study, a wave-based analytical approach is applied to obtain solutions to vibrations in space frames. Both free and forced wave vibration responses are obtained, with bending vibrations modeled using the Timoshenko theory. A two-story steel space frame is built to validate the analytical results, and good agreements have been reached between the analytical and experimental studies. The effect of torsional rigidity adjustment on the accuracy of predicted vibrational responses in structures involving rotationally nonsymmetric cross sections is also examined.
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April 2016
Research-Article
Experimental Validation of Wave Vibration Analysis of Complex Vibrations in a Two-Story Metallic Space Frame Based on the Timoshenko Bending Theory
C. Mei
C. Mei
Department of Mechanical Engineering,
The University of Michigan—Dearborn,
4901 Evergreen Road,
Dearborn, MI 48128
e-mail: cmei@umich.edu
The University of Michigan—Dearborn,
4901 Evergreen Road,
Dearborn, MI 48128
e-mail: cmei@umich.edu
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C. Mei
Department of Mechanical Engineering,
The University of Michigan—Dearborn,
4901 Evergreen Road,
Dearborn, MI 48128
e-mail: cmei@umich.edu
The University of Michigan—Dearborn,
4901 Evergreen Road,
Dearborn, MI 48128
e-mail: cmei@umich.edu
Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received August 6, 2015; final manuscript received October 30, 2015; published online January 18, 2016. Assoc. Editor: Izhak Bucher.
J. Vib. Acoust. Apr 2016, 138(2): 021003 (20 pages)
Published Online: January 18, 2016
Article history
Received:
August 6, 2015
Revised:
October 30, 2015
Citation
Mei, C. (January 18, 2016). "Experimental Validation of Wave Vibration Analysis of Complex Vibrations in a Two-Story Metallic Space Frame Based on the Timoshenko Bending Theory." ASME. J. Vib. Acoust. April 2016; 138(2): 021003. https://doi.org/10.1115/1.4032001
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