ブロック群の都市キャノピー内外に形成される乱流構造のPOD解析

抄録

In this study, POD (Proper orthogonal decomposition) using VFBasis (VINAS Co., Ltd.) is applied to the computed flow field in an idealized urban canopy model with many identical blocks placed uniformly to analyze the turbulent structure formed inside and outside the urban canopy. Assuming the universality of the spatial structure, the POD analysis was performed by superimposing data from domains of identical shape at different locations in the group of blocks to highlight the structure near the blocks. The turbulent structure with circulating flow near the blocks was extracted as POD modes.