S160 Modeling in the Microscale- The Atmospheric Boundary Layer Environment (ABLE) Model

Sunday, 10 January 2016
Hall E ( New Orleans Ernest N. Morial Convention Center)
Amanda Hendrix, The Army Research Laboratory, Adelphi, MD

The Atmospheric Boundary Layer Environment model (ABLE) is a new model being developed for microscale environments. The 3-dimensional, finite-volume model uses a new time-integration scheme described in Sun (2012) that is well-behaved in the presence of strong gradients in flow quantities without requiring significant explicit or implicit smoothing. The model, currently a direct numerical simulation code, has been improved by incorporating a cut-cell immersed boundary method to allow for steep terrain. Results of simulations over a modest, idealized mountain ridge are compared with simulations using a terrain-following coordinate. Results for steeper slopes will also be shown.
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