What is it about?

By using microphones and accelerometers the acoustic and vibration response of the building is acquired, then this data is analyzed using FDD methods. By using both microphones, as an acoustic response and an accelerometer, for a vibration response, these can determine the source of unknown excitation

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Why is it important?

The results show that using microphones, as an acoustic response, can be as reliable as the use of accelerometers to identify forced vibration.

Perspectives

As a case study, a cylindrical shaped building, which appears to be subjected to a vibration problem, was selected. In this research, both acoustic and vibration responses are captured to determine the source of this unknown excitation.

Javad Isavand
Semnan University

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This page is a summary of: Performing building vibration assessments by acoustic measurements, Building Acoustics, December 2019, SAGE Publications, DOI: 10.1177/1351010x19893065.
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