Development of a meso-microscale coupling procedure for site assessment in complex terrain

Castro, Fernando Aristides; Santos, Carlos Silva; Costa, C.

http://hdl.handle.net/10400.22/4255

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Authors

Castro, Fernando Aristides

Santos, Carlos Silva

Costa, C.

Abstract(s)

A procedure for coupling mesoscale and CFD codes is presented, enabling the inclusion of realistic stratiﬁcation ﬂow regimes and boundary conditions in CFD simulations of relevance to site and resource assessment studies in complex terrain. Two distinct techniques are derived: (i) in the ﬁrst one, boundary conditions are extracted from mesoscale results to produce time-varying CFD solutions; (ii) in the second case, a statistical treatment of mesoscale data leads to steady-state ﬂow boundary conditions believed to be more representative than the idealised proﬁles which are current industry practice. Results are compared with measured data and traditional CFD approaches.