Discussion of human resonant frequency

James M. W. Brownjohn; Xiahua Zheng

doi:10.1117/12.429621

13 June 2001 Discussion of human resonant frequency

James M. W. Brownjohn, Xiahua Zheng

Proceedings Volume 4317, Second International Conference on Experimental Mechanics; (2001) https://doi.org/10.1117/12.429621
Event: Second International Conference on Experimental Mechanics, 2000, Singapore, Singapore

Abstract

Human bodies are often exposed to vertical vibrations when they are in the workplace or on vehicles. Prolonged exposure may cause undue stress and discomfort in the human body especially at its resonant frequency. By testing the response of the human body on a vibrating platform, many researchers found the human whole-body fundamental resonant frequency to be around 5 Hz. However, in recent years, an indirect method has been prosed which appears to increase the resonant frequency to approximately 10 Hz. To explain this discrepancy, experimental work was carried out in NTU. The study shows that the discrepancy lies in the vibration magnitude used in the tests. A definition of human natural frequency in terms of vibration magnitude is proposed.

Citation Download Citation

James M. W. Brownjohn and Xiahua Zheng "Discussion of human resonant frequency", Proc. SPIE 4317, Second International Conference on Experimental Mechanics, (13 June 2001); https://doi.org/10.1117/12.429621

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