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|Other Titles:||NUMERICAL SIMULATION OF WIND FIELD OVER THE TERRAIN WITH COMPLEX TOPOGRAPHY|
|Authors:||光田, 寧 |
|Author's alias:||MITSUTA, Yasushi|
|Journal title:||京都大学防災研究所年報. B = Disaster Prevention Research Institute Annuals. B|
|Abstract:||Wind field over the terrain with complex topography has been studied, when strong windis expected from synoptic condition. The wind field is mainly determined by mechanicalconditions, and 3-dimensional MASCON (mass-consistent) model is effective. In this paper, as the first step, the character of the solution of the model was compared with the solution ofpotential flow model. Both solutions correspond each other fairly well. Then, with thismodel, simulation was made on the wind field over the simplified topography that resemblesthe real topography to study. In this calculation, we attempted to take account of thermalstability of air flow as the ratio of modification coefficient between horizontal and verticalwind velocities. Under two conditions (stable and neutral) the results corresponding to theobserved wind data qualitatively were obtained.|
|Appears in Collections:||No.32 B-1|
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