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Mads M. Pedersen
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import numpy as np
from abc import ABC, abstractmethod
class SuperpositionModel(ABC):
@abstractmethod
def calc_effective_WS(self, WS_ilk, deficit_ijlk):
"""Calculate effective wind speed
This method must be overridden by subclass
Parameters
----------
WS_ilk : array_like
Local wind speed at turbine/site(i) for all wind
directions(l) and wind speeds(k)
deficit_ijlk : array_like
deficit caused by upstream turbines(j) on all downstream turbines/points (i) for all wind directions(l)
and wind speeds(k)
Returns
-------
WS_eff_ilk : array_like
Effective wind speed at turbine/site(i) for all wind
directions(l) and wind speeds(k)
"""
class SquaredSum(SuperpositionModel):
def calc_effective_WS(self, WS_ilk, deficit_ijlk):
return WS_ilk - np.sqrt(np.sum(deficit_ijlk**2, 0))
class LinearSum(SuperpositionModel):
def calc_effective_WS(self, WS_ilk, deficit_ijlk):
return WS_ilk - np.sum(deficit_ijlk, 0)
class MaxSum(SuperpositionModel):
def calc_effective_WS(self, WS_ilk, deficit_ijlk):
return WS_ilk - np.max(deficit_ijlk, 0)