Intelligent switching between different noise propagation algorithms: analysis and sensitivity

Boeker, Eric; Rosenbaum, Joyce; John A. Volpe National Transportation Systems Center (U.S.); Computer Sciences Corporation

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Intelligent switching between different noise propagation algorithms: analysis and sensitivity

2012-08-10
By Boeker, Eric ; Rosenbaum, Joyce

[PDF-294.04 KB]

English

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Creators:

Boeker, Eric ; Rosenbaum, Joyce

Boeker, Eric ; Rosenbaum, Joyce Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.) ; Computer Sciences Corporation

John A. Volpe National Transportation Systems Center (U.S.) ; Computer Sciences Corporation Less -
Subject/TRT Terms:

[+]

Accuracy Acoustic Emission Aircraft Noise Algorithms Atmosphere Noise Propagation Models Sound Transmission Terrain Topography
Resource Type:

Proceedings
Abstract:

When modeling aircraft noise on a large scale (such as an analysis of annual aircraft

operations at an airport), it is important that the noise propagation model used for the

analysis be both efficient and accurate. In this analysis, three different propagation

methods are compared over a range of different environmental conditions (uneven terrain,

terrain blockage, refractive atmosphere, and ground type transitions) and geometric

orientations. These results are then used to inform a scheme of “intelligent switching”

between different noise propagation methods as an approach to address the long

computational runtimes without sacrificing accuracy in a noise model. The feasibility of

this strategy is discussed and potential implementation hurdles are identified.
Format:

PDF
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Volpe Center
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urn:sha256:c8336a59925db325c339c0c3364467c2725084dfa627036c74128298edd5fd0f
Download URL:

https://rosap.ntl.bts.gov/view/dot/9639/dot_9639_DS1.pdf
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Intelligent switching between different noise propagation algorithms: analysis and sensitivity

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