from foxes.core import PartialWakesModel
import foxes.constants as FC
[docs]
class RotorPoints(PartialWakesModel):
"""
Partial wakes calculation directly by the
rotor model.
:group: models.partial_wakes
"""
[docs]
def get_wake_points(self, algo, mdata, fdata):
"""
Get the wake calculation points, and their
weights.
Parameters
----------
algo: foxes.core.Algorithm
The calculation algorithm
mdata: foxes.core.MData
The model data
fdata: foxes.core.FData
The farm data
Returns
-------
rpoints: numpy.ndarray
The wake calculation points, shape:
(n_states, n_turbines, n_tpoints, 3)
rweights: numpy.ndarray
The target point weights, shape: (n_tpoints,)
"""
return (
algo.get_from_chunk_store(FC.ROTOR_POINTS, mdata=mdata),
algo.get_from_chunk_store(FC.ROTOR_WEIGHTS, mdata=mdata),
)
[docs]
def map_rotor_results(
self,
algo,
mdata,
fdata,
tdata,
variable,
rotor_res,
rotor_weights,
):
"""
Map ambient rotor point results onto target points.
Parameters
----------
algo: foxes.core.Algorithm
The calculation algorithm
mdata: foxes.core.MData
The model data
fdata: foxes.core.FData
The farm data
tdata: foxes.core.TData
The target point data
variable: str
The variable name to map
rotor_res: numpy.ndarray
The results at rotor points, shape:
(n_states, n_turbines, n_rotor_points)
rotor_weights: numpy.ndarray
The rotor point weights, shape: (n_rotor_points,)
Returns
-------
res: numpy.ndarray
The mapped results at target points, shape:
(n_states, n_targets, n_tpoints)
"""
return rotor_res
[docs]
def finalize_wakes(
self,
algo,
mdata,
fdata,
tdata,
rpoint_weights,
wake_deltas,
wmodel,
downwind_index,
):
"""
Updates the wake_deltas at the selected target
downwind index.
Modifies wake_deltas on the fly.
Parameters
----------
algo: foxes.core.Algorithm
The calculation algorithm
mdata: foxes.core.MData
The model data
fdata: foxes.core.FData
The farm data
tdata: foxes.core.Data
The target point data
rpoint_weights: numpy.ndarray
The rotor point weights, shape: (n_rotor_points,)
wake_deltas: dict
The wake deltas. Key: variable name,
value: np.ndarray of shape
(n_states, n_turbines, n_tpoints)
wmodel: foxes.core.WakeModel
The wake model
downwind_index: int
The index in the downwind order
Returns
-------
final_wake_deltas: dict
The final wake deltas at the selected downwind
turbines. Key: variable name, value: np.ndarray
of shape (n_states, n_rotor_points)
"""
wdel = {
v: d[:, downwind_index, None].copy() if d.shape[1] > 1 else d[:, 0, None]
for v, d in wake_deltas.items()
}
wmodel.finalize_wake_deltas(algo, mdata, fdata, tdata, wdel)
return {v: d[:, 0] for v, d in wdel.items()}