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Applying well-known diffraction models to the sound field in the shadow zone of an isolated building.
MedLine Citation:
PMID:  19063488     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
An isolated building, a fundamental case of urban acoustics, has recently been the subject of an experimental effort to characterize the building's influence on propagating sound [Alberts and Noble, J. Acoust. Soc. Am. 121, 3064 (2007)]. As a precursor to modeling efforts involving finite-difference time-domain simulations, two common diffraction models, the frequency domain model of Pierce and Medwin's extension of Biot and Tolstoy's time-domain model, have been utilized to estimate the sound pressure at various locations in the building's acoustic shadow. The discussion will include the models used and comparisons between calculated and measured data, demonstrating reasonable agreement between measured and calculated spectra in limited cases at some frequencies.
Authors:
W C Kirkpatrick Alberts; John M Noble; Mark A Coleman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of the Acoustical Society of America     Volume:  124     ISSN:  1520-8524     ISO Abbreviation:  J. Acoust. Soc. Am.     Publication Date:  2008 Oct 
Date Detail:
Created Date:  2008-12-09     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7503051     Medline TA:  J Acoust Soc Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2590     Citation Subset:  IM    
Affiliation:
U.S. Army Res. Lab., Attn. AMSRD-ARL-CI-ES, 2800 Powder Mill Rd., Adelphi, MD 20783.
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