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Aircraft interior noise prediction using a structural-acoustic analogy in NASTRAN modal synthesisThe noise induced inside a cylindrical fuselage model by shaker excitation is investigated theoretically and experimentally. The NASTRAN modal-synthesis program is used in the theoretical analysis, and the predictions are compared with experimental measurements in extensive graphs. Good general agreement is obtained, but the need for further refinements to account for acoustic-cavity damping and structural-acoustic interaction is indicated.
Document ID
19890028235
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Grosveld, Ferdinand W. (NASA Langley Research Center Hampton, VA, United States)
Sullivan, Brenda M. (NASA Langley Research Center; PRC Kentron Hampton, VA, United States)
Marulo, Francesco (Napoli, Universita Naples, Italy)
Date Acquired
August 14, 2013
Publication Date
January 1, 1988
Subject Category
Aircraft Design, Testing And Performance
Meeting Information
Meeting: International Modal Analysis Conference
Location: Kissimmee, FL
Country: United States
Start Date: February 1, 1988
End Date: February 4, 1988
Accession Number
89A15606
Funding Number(s)
CONTRACT_GRANT: NAS1-18000
Distribution Limits
Public
Copyright
Other

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