AHPCRC Projects: Atmospheric Science
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| Air flow over building | Air flow over a three-dimensional obstacle | Wind velocities near buildings in a downtown area |
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| Contaminant plume spreading in an urban environment | Areas of high and low visibility after a simulated aerial contaminant release | Direct numerical simulation vs. Reynolds-averaged Navier-Stokes method |
Atmospheric modeling of biological warfare agent dispersion
Planning an emergency response to the release of an airborne toxic substance or pathogen requires knowing the air circulation patterns around rivers, buildings, and ventilation systems and knowing whether the substance is more likely to stay near the ground or remain high in the air. Computer simulations take many variables into account, integrating real-world information from many sources to construct predictions and “what-if” scenarios. Simulations must not only factor in numerous parameters and variables, but they must also model agent behavior over a sufficiently long time span to produce useful results. Massively parallel codes and HPC facilities provide the computing resources necessary to run realistic simulations of this nature.
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2–1: Dispersion of Biological Warfare Agents (BWAs) in Attack Zones
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