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RANS closures for non-neutral microscale CFD simulations sustained with inflow conditions acquired from mesoscale simulations

Journal Contribution - Journal Article

© 2017 Elsevier Inc. This study focuses on bridging the gap between the turbulence modelling methodologies of meterological and engineering codes by proposing a novel methodology to define the closure coefficients of Reynolds-Averaged Navier-Stokes turbulence models consistently with the physics of the atmospheric boundary layer. In this framework, different turbulence closures have been developed and tested on different full-scale test cases corresponding to different atmospheric stability conditions by performing microscale simulations with the inflow conditions provided by a numerical weather prediction (NWP) code. Developed turbulence models have been implemented into the open source computational fluid dynamics (CFD) toolbox, OpenFOAM and the inflow conditions have been acquired with another open source code, the Weather Research and Forecasting (WRF) model.
Journal: Applied Mathematical Modelling
ISSN: 0307-904X
Volume: 53
Pages: 635 - 652
Number of pages: 18
Publication year:2018