Measurement of SEA Coupling Loss Factors using Point Mobilities

In this paper calculation of SEA coupling loss factors, using measured point mobility, is derived for coupled systems, homogeneous or not, with rigid or soft links. Some simplifications and hypothesis are necessary to fit with SEA basic relations. To validate the theory an experiment was done on pla...

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Bibliographic Details
Published in:Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences physical, and engineering sciences, 1994-03, Vol.346 (1681), p.465-475
Main Authors: Cacciolati, C., Guyader, J. L.
Format: Article
Language:English
Subjects:
Acoustic coupling
Audio frequencies
Average linear density
Buildings
Classical and quantum physics: mechanics and fields
Classical mechanics of continuous media: general mathematical aspects
Damping
Energy
Exact sciences and technology
Mechanical transmission
Physics
Ratios
Sound transmission
Vibration
Vibrations and mechanical waves
Waves and wave propagation: general mathematical aspects
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Summary:In this paper calculation of SEA coupling loss factors, using measured point mobility, is derived for coupled systems, homogeneous or not, with rigid or soft links. Some simplifications and hypothesis are necessary to fit with SEA basic relations. To validate the theory an experiment was done on plates coupled in three points; the agreement is reasonably good for homogeneous and non-homogeneous plates.
ISSN:1364-503X
0962-8428
1471-2962
2054-0299
DOI:10.1098/rsta.1994.0029