ラージ・エディー・シミュレーションによる実地形上気流の予測

抄録

Wind field over real topography has been simulated using a Large-Eddy Simulation (LES) technique. The results are compared with physical simulation results obtained in a low-speed wind tunnel. Emphasis has been placed on the effects of the simulation region and the effects of the ground surface roughness. Local wind field over the region of a few kilometers is found to be well predicted by the present numerical simulation, though detailed and precise validation is not possible due to differences between the conditions for the numerical computations and the wind-tunnel measurements.