Acoustics: Modeling and Simulation
JASCO provides acoustic noise level predictions
for environmental impact assessments. We employ sophisticated acoustic modelling
techniques, including parabolic equation, ray-theory and normal modes, for predicting
both narrowband and broadband sound levels in arbitrary underwater environments.
By combining accurate source signature models (e.g., for airguns, explosives and
sonars) with detailed environmental information, JASCO can provide both N-by-2-D
and 3-D forecasts of environmental noise. JASCO’s noise forecasts may be used for
accurately estimating underwater safety-ranges for various aquatic animals (e.g.,
for marine mammal Temporary Threshold Shift - TTS shift), as well as for ensuring
regulatory compliance.
Source & Propagation Modeling
JASCO Research has been modeling sound sources and sound propagation for many years
on projects ranging from military blasting exercises through high frequency sonar
systems to the passage of low flying supersonic aircraft. Our modeling capabilities
include all aspects of sound propagation, with everything from ground vibration,
air turbulence and water propagation being taken into account.
With clients ranging from small consulting firms through academic institutions and
both the Canadian and US Navies, our experience in this field is broad-ranging in
scope and capabilities.
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@JASCO Research Ltd., 2008