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CPU Upgrade
| # -*- coding: utf-8 -*- | |
| """ | |
| """ | |
| import numpy as np | |
| g = -9.81 | |
| # Air | |
| rho = 1.225 | |
| mu = 1.81e-5 | |
| winddir = np.array((1,0,0)) | |
| z0 = 0.1 | |
| Uref = 0.0 | |
| zref = 1.5 | |
| kappa = 0.41 | |
| def wind_abl(z): | |
| # For a constant wind: | |
| # return Uref*winddir | |
| if z < 0.0: | |
| z = 0.0 | |
| ustar = Uref*kappa/(np.log((zref+z0)/z0)) | |
| u = ustar/kappa*np.log((z+z0)/z0) | |
| return u*winddir | |