Complexity 0 | Complexity 1 flow around an isolated obstacle | Complexity 2 flow within regular arrays of obstacles (highly idealized urban geometry) | Complexity 3 flow within a more realistic but still idealized urban geometry ("Michel-Stadt") | Complexity 4 |
BL1-0 flow within a moderately rough boundary layer (scale: 1:500) | ||||
BL2-0 flow within a rough boundary layer (scale: 1:300) | ||||
BL3-0 flow within a very rough boundary layer (scale: 1:225) | BL3-2 flow within an array of cube like houses with flat and slanted roofs (scale: 1:225) | BL3-3 "Michel-Stadt" (scale: 1:225) |