Summary
Airborne contaminant transport in cities presents challenging new requirements for CFD. The unsteady flow physics is complicated by very complex geometry, multi-phase particle and droplet effects, radiation, latent, and sensible heating effects, and buoyancy effects. Turbulence is one of the most important of these phenomena and yet the overall problem is suRciently diRcult that the turbulence must be included eRciently with an absolute minimum of extra memory and computing time. This paper describes the Monotone Integrated Large Eddy Simulation (MILES) methodology used in NRL’s FAST3D-CT simulation model for urban contaminant transport (CT) (see [1] and references therein). We also describe important extensions of the underlying Flux-Corrected Transport (FCT) convection algorithms to further reduce numerical dissipation in narrow channels (streets).
Keywords
- Large Eddy Simulation
- Direct Numerical Simulation
- Contaminant Transport
- Urban Boundary Layer
- Large Eddy Simulation Method
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Patnaik, G., Boris, J.P., Grinstein, F.F., Iselin, J.P. (2005). Large Scale Urban Simulations with FCT. In: Kuzmin, D., Löhner, R., Turek, S. (eds) Flux-Corrected Transport. Scientific Computation. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-27206-2_4
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DOI: https://doi.org/10.1007/3-540-27206-2_4
Publisher Name: Springer, Berlin, Heidelberg
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