Sound radiation from a flow-excited rectangular plate with visco-elastic supports

Junhong Park, Luc G. Mongeau

Research output: Contribution to journalConference article

1 Citation (Scopus)

Abstract

A model was developed to predict the vibration response of a rectangular plate mounted on viscoelastic supports. The plate was assumed to be excited by a distributed surface pressure field. The radiated sound was calculated from the transverse velocity of the plates. An assumption that all the vibration energy is constrained at the peak of mode shape wave number spectrum was used for the evaluation of the wave number spectrum. The damping factor, which is frequency dependent was calculated from the assumed mode method results.

Original languageEnglish
Pages (from-to)100-101
Number of pages2
JournalCanadian Acoustics - Acoustique Canadienne
Volume28
Issue number3
StatePublished - 2000 Sep 1

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rectangular plates
vibration
acoustics
modal response
radiation
pressure distribution
damping
evaluation
energy

Cite this

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abstract = "A model was developed to predict the vibration response of a rectangular plate mounted on viscoelastic supports. The plate was assumed to be excited by a distributed surface pressure field. The radiated sound was calculated from the transverse velocity of the plates. An assumption that all the vibration energy is constrained at the peak of mode shape wave number spectrum was used for the evaluation of the wave number spectrum. The damping factor, which is frequency dependent was calculated from the assumed mode method results.",
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Sound radiation from a flow-excited rectangular plate with visco-elastic supports. / Park, Junhong; Mongeau, Luc G.

In: Canadian Acoustics - Acoustique Canadienne, Vol. 28, No. 3, 01.09.2000, p. 100-101.

Research output: Contribution to journalConference article

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AU - Mongeau, Luc G.

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N2 - A model was developed to predict the vibration response of a rectangular plate mounted on viscoelastic supports. The plate was assumed to be excited by a distributed surface pressure field. The radiated sound was calculated from the transverse velocity of the plates. An assumption that all the vibration energy is constrained at the peak of mode shape wave number spectrum was used for the evaluation of the wave number spectrum. The damping factor, which is frequency dependent was calculated from the assumed mode method results.

AB - A model was developed to predict the vibration response of a rectangular plate mounted on viscoelastic supports. The plate was assumed to be excited by a distributed surface pressure field. The radiated sound was calculated from the transverse velocity of the plates. An assumption that all the vibration energy is constrained at the peak of mode shape wave number spectrum was used for the evaluation of the wave number spectrum. The damping factor, which is frequency dependent was calculated from the assumed mode method results.

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