def test_distance_plot():
x = [0, 50, 100, 100]
y = [100, 100, 100, 0]
h = [0, 10, 20, 30]
wdirs = [0, 30, 90]
Distance = StraightDistance()
distances = Distance.distances
dw_ijl, hcw_ijl, dh_ijl, dw_indices_l = distances(
src_x_i=x,
src_y_i=y,
src_h_i=h,
dst_x_j=[0],
dst_y_j=[0],
dst_h_j=[0],
wd_il=np.array(wdirs)[na])
Distance.plot(src_x_i=x,
src_y_i=y,
src_h_i=h,
dst_x_j=[0],
dst_y_j=[0],
dst_h_j=[0],
wd_il=np.array(wdirs)[na])
if 0:
import matplotlib.pyplot as plt
plt.show()
def test_WaspGridSiteDistanceClass(site):
wgs = WaspGridSite(
site._ds, distance=TerrainFollowingDistance(distance_resolution=2000))
assert wgs.distance.distance_resolution == 2000
assert wgs.distance.__call__.__func__ == TerrainFollowingDistance(
).__call__.__func__
wgs = WaspGridSite(site._ds, distance=StraightDistance())
assert wgs.distance.__call__.__func__ == StraightDistance(
).__call__.__func__
def test_distance_plot():
x = [0, 50, 100, 100]
y = [100, 100, 100, 0]
h = [0, 10, 20, 30]
wdirs = [0, 30, 90]
distance = StraightDistance()
distance.plot(None, src_x_i=x, src_y_i=y, src_h_i=h, dst_x_j=[0], dst_y_j=[0], dst_h_j=[0],
wd_il=np.array(wdirs)[na])
if 0:
import matplotlib.pyplot as plt
plt.show()
def test_YZGrid_terrain_perpendicular():
site = ParqueFicticioSite(distance=StraightDistance())
x, y = site.initial_position.T
windTurbines = IEA37_WindTurbines()
wind_farm_model = IEA37SimpleBastankhahGaussian(site, windTurbines)
simulation_result = wind_farm_model(x, y, wd=270, ws=10)
x = x.max() + 10
fm = simulation_result.flow_map(
grid=YZGrid(x, z=110, resolution=20, extend=0))
y = fm.X[0]
x = np.zeros_like(y) + x
z = site.elevation(x, y)
simulation_result.flow_map(XYGrid(extend=.005)).plot_wake_map()
plt.plot(x, y, '.')
plt.figure()
simulation_result.flow_map(grid=YZGrid(
fm.x.item(), y=fm.y, z=np.arange(30, 210, 10))).plot_wake_map()
plt.plot(y, z + 110, '.')
plt.plot(y, fm.WS_eff_xylk[:, 0, 0, 0] * 100, label="ws*100")
plt.legend()
if 0:
print(np.round(fm.WS_eff_xylk[:, 0, 0, 0], 2).values.tolist())
plt.show()
plt.close('all')
npt.assert_array_almost_equal(fm.WS_eff_xylk[:, 0, 0, 0], [
5.39, 8.48, 8.42, 6.42, 5.55, 11.02, 4.99, 11.47, 5.32, 10.22, 13.39,
8.79, 8.51, 12.4, 5.47, 10.78, 10.12, 6.54, 10.91, 7.18
], 2)
def test_YZGrid_terrain_parallel():
site = ParqueFicticioSite(distance=StraightDistance())
x, y = site.initial_position.T
windTurbines = IEA37_WindTurbines()
wind_farm_model = IEA37SimpleBastankhahGaussian(site, windTurbines)
simulation_result = wind_farm_model(x, y, wd=0, ws=10)
x = 264000
fm = simulation_result.flow_map(
grid=YZGrid(x, z=110, resolution=20, extend=0))
y = fm.X[0]
x = np.zeros_like(y) + x
z = site.elevation(x, y)
simulation_result.flow_map(XYGrid(extend=0.005)).plot_wake_map()
plt.plot(x, y, '.')
plt.figure()
simulation_result.flow_map(grid=YZGrid(
fm.x.item(), fm.y, z=np.arange(30, 210, 10))).plot_wake_map()
plt.plot(y, z + 110, '.')
plt.plot(y, fm.WS_eff_xylk[:, 0, 0, 0] * 100, label="ws*100")
plt.legend()
if 0:
print(np.round(fm.WS_eff_xylk[:, 0, 0, 0], 2).values.tolist())
plt.show()
plt.close('all')
npt.assert_array_almost_equal(fm.WS_eff_xylk[:, 0, 0, 0], [
4.55, 3.89, 3.15, 2.31, 4.41, 4.3, 7.41, 7.2, 7.03, 7.23, 7.32, 6.77,
6.83, 5.58, 11.01, 11.51, 11.93, 12.17, 11.03, 9.89
], 2)
def load(filename,
interp_method='nearest',
shear=None,
distance=StraightDistance()):
ds = xr.load_dataset(filename)
return XRSite(ds,
interp_method=interp_method,
shear=shear,
distance=distance)
def from_flow_box(flowBox,
interp_method='linear',
distance=StraightDistance()):
ds = flowBox.drop_vars(['WS',
'TI']).rename_vars(WS_eff='WS',
TI_eff='TI').squeeze()
ds = ds.transpose(
*[n for n in ['x', 'y', 'h', 'wd', 'ws'] if n in ds.dims])
site = XRSite(ds, interp_method=interp_method, distance=distance)
# Correct P from propability pr. deg to sector probability as expected by XRSite
site.ds['P'] = site.ds.P * site.ds.sector_width
return site
def __init__(self,
ds,
initial_position=None,
interp_method='linear',
shear=None,
distance=StraightDistance(),
default_ws=np.arange(3, 26),
bounds='check'):
assert interp_method in [
'linear', 'nearest'
], 'interp_method "%s" not implemented. Must be "linear" or "nearest"' % interp_method
assert bounds in ['check', 'limit', 'ignore'
], 'bounds must be "check", "limit" or "ignore"'
self.interp_method = interp_method
self.shear = shear
self.bounds = bounds
Site.__init__(self, distance)
self.default_ws = default_ws
if 'ws' not in ds.dims:
ds.update({'ws': self.default_ws})
else:
self.default_ws = ds.ws
if 'wd' in ds and len(np.atleast_1d(ds.wd)) > 1:
wd = ds.coords['wd']
sector_widths = np.diff(wd)
assert np.allclose(sector_widths, sector_widths[0]), \
"all sectors must have same width"
sector_width = sector_widths[0]
else:
sector_width = 360
if 'P' not in ds:
assert 'Weibull_A' in ds and 'Weibull_k' in ds and 'Sector_frequency' in ds
ds.attrs['sector_width'] = sector_width
if initial_position is not None:
ds.attrs['initial_position'] = initial_position
# add 360 deg to all wd dependent datavalues
if 'wd' in ds and ds.wd[-1] != 360 and 360 - ds.wd[-1] == sector_width:
ds = xr.concat([ds, ds.sel(wd=0)], 'wd', data_vars='minimal')
ds.update({'wd': np.r_[ds.wd[:-1], 360]})
if 'Elevation' in ds:
self.elevation_interpolator = EqDistRegGrid2DInterpolator(
ds.x.values, ds.y.values, ds.Elevation.values)
self.ds = ds
def __init__(self, p_wd, ti, ws=12, interp_method='nearest', shear=None):
super().__init__(StraightDistance())
self.default_ws = ws
self.ti = get_sector_xr(ti, 'Turbulence intensity')
self.p_wd = get_sector_xr(p_wd / np.mean(p_wd) / 360,
"Probability of wind direction +/- 0.5deg")
self.interp_method = interp_method.replace('piecewise',
'nearest').replace(
'spline', 'cubic')
if self.interp_method not in [
'linear', 'nearest', 'zero', 'slinear', 'quadratic', 'cubic',
'previous', 'next'
]:
raise NotImplementedError('interp_method=%s not implemented' %
interp_method)
self.shear = shear
def test_distance_plot():
x = [0, 50, 100, 100, 0]
y = [100, 100, 100, 0, 0]
h = [0, 10, 20, 30, 0]
wdirs = [0, 30, 90]
distance = StraightDistance()
distance.setup(src_x_i=x, src_y_i=y, src_h_i=h)
distance.plot(wd_il=np.array(wdirs)[na], src_idx=[0], dst_idx=[3])
if 0:
plt.show()
plt.close('all')
def __init__(self,
ds,
initial_position=None,
interp_method='linear',
shear=None,
distance=StraightDistance()):
self.interp_method = interp_method
self.shear = shear
self.distance = distance
Site.__init__(self, distance)
if 'ws' not in ds.dims:
ds.update({'ws': self.default_ws})
if 'wd' in ds and len(np.atleast_1d(ds.wd)) > 1:
wd = ds.coords['wd']
sector_widths = np.diff(wd)
assert np.all(sector_widths == sector_widths[0]), \
"all sectors must have same width"
sector_width = sector_widths[0]
else:
sector_width = 360
if 'P' not in ds:
assert 'Weibull_A' in ds and 'Weibull_k' in ds and 'Sector_frequency' in ds
ds.attrs['sector_width'] = sector_width
if initial_position is not None:
ds.attrs['initial_position'] = initial_position
# add 360 deg to all wd dependent datavalues
if 'wd' in ds and len(
np.atleast_1d(ds.wd)
) > 1 and ds.wd[-1] != 360 and 360 - ds.wd[-1] == sector_width:
ds = xr.concat([ds, ds.sel(wd=0)], 'wd', data_vars='minimal')
ds.update({'wd': np.r_[ds.wd[:-1], 360]})
self.ds = ds
def test_YZGrid_terrain():
site = ParqueFicticioSite(distance=StraightDistance())
x, y = site.initial_position.T
windTurbines = IEA37_WindTurbines()
wind_farm_model = IEA37SimpleBastankhahGaussian(site, windTurbines)
simulation_result = wind_farm_model(x, y, wd=270, ws=10)
x = x.max() + 10
fm = simulation_result.flow_map(grid=YZGrid(x, z=110, resolution=20))
y = fm.X[0]
x = np.zeros_like(y) + x
z = site.elevation(x, y)
simulation_result.flow_map().plot_wake_map()
plt.plot(x, y, '.')
plt.figure()
simulation_result.flow_map(grid=YZGrid(x.max() + 10)).plot_wake_map()
plt.plot(y, z + 110, '.')
if 0:
print(np.round(fm.WS_eff_xylk[0, :, 0, 0], 2).tolist())
plt.show()
plt.close()
npt.assert_array_almost_equal(fm.WS_eff_xylk[:, 0, 0, 0],
[10.0, 10.0, 11.69, 5.8, 8.7, 5.15, 10.63, 4.99, 10.73, 8.16, 13.24, 5.59,
12.4, 7.02, 10.91, 7.21, 8.77, 8.41, 9.99, 10.0], 2)
300)
npt.assert_almost_equal(AEP_ilk.sum(),
wasp_aep_no_density_correction_total, 3)
@pytest.mark.parametrize(
'site,dw_ref',
[(ParqueFicticioSite(distance=TerrainFollowingDistance2()), [
0., 207.3842238, 484.3998264, 726.7130743, 1039.148129, 1263.1335982,
1490.3841602, 1840.6508086
]),
(ParqueFicticioSite(distance=TerrainFollowingDistance()), [
0, 209.803579, 480.8335365, 715.6003233, 1026.9476322, 1249.5510034,
1475.1467251, 1824.1317343
]),
(ParqueFicticioSite(distance=StraightDistance()),
[-0, 207, 477, 710, 1016, 1236, 1456, 1799])])
def test_distances(site, dw_ref):
x, y = site.initial_position.T
dw_ijl, cw_ijl, dh_ijl, _ = site.distances(src_x_i=x,
src_y_i=y,
src_h_i=np.array([70]),
dst_x_j=x,
dst_y_j=y,
dst_h_j=np.array([70]),
wd_il=np.array([[0]]))
npt.assert_almost_equal(dw_ijl[0, :, 0], dw_ref)
cw_ref = [236.1, 0., -131.1, -167.8, -204.5, -131.1, -131.1, -45.4]
npt.assert_almost_equal(cw_ijl[:, 1, 0], cw_ref)
npt.assert_almost_equal(dh_ijl, np.zeros_like(dh_ijl))
def __init__(self, p_wd, ti, ws=12, interp_method='piecewise', shear=NoShear()):
super().__init__(StraightDistance())
self.default_ws = ws
self.ti = Sector2Subsector(np.atleast_1d(ti), interp_method=interp_method)
self.p_wd = Sector2Subsector(p_wd / np.sum(p_wd), interp_method=interp_method) / (360 / len(p_wd))
self.shear = shear
def elevation(self, x_i, y_i):
return np.sqrt(np.maximum(self.height**2 - x_i**2, 0))
class Rectangle(TerrainFollowingDistance, UniformSite):
def __init__(self, height, width, distance_resolution):
self.height = height
self.width = width
super().__init__(p_wd=[1], ti=0)
self.distance = TerrainFollowingDistance(distance_resolution=distance_resolution)
def elevation(self, x_i, y_i):
return np.where(np.abs(x_i) < self.width / 2, self.height, 0)
@pytest.mark.parametrize('distance', [StraightDistance(),
TerrainFollowingDistance()
])
def test_flat_distances(distance):
x = [0, 50, 100, 100, 0]
y = [100, 100, 100, 0, 0]
h = [0, 10, 20, 30, 0]
wdirs = [0, 30, 90]
site = FlatSite(distance=distance)
site.distance.setup(src_x_i=x, src_y_i=y, src_h_i=h)
dw_ijl, hcw_ijl, dh_ijl = site.distance(wd_il=np.array(wdirs)[na], src_idx=[0, 1, 2, 3], dst_idx=[4])
dw_indices_l = site.distance.dw_order_indices(np.array(wdirs))
if 0:
distance.plot(wd_il=np.array(wdirs)[na], src_i=[0, 1, 2, 3], dst_i=[4])
class Rectangle(TerrainFollowingDistance, UniformSite):
def __init__(self, height, width, distance_resolution):
self.height = height
self.width = width
super().__init__(p_wd=[1], ti=0)
self.distance = TerrainFollowingDistance(
distance_resolution=distance_resolution)
def elevation(self, x_i, y_i):
return np.where(np.abs(x_i) < self.width / 2, self.height, 0)
@pytest.mark.parametrize(
'distance',
[StraightDistance(), TerrainFollowingDistance()])
def test_flat_distances(distance):
x = [0, 50, 100, 100]
y = [100, 100, 100, 0]
h = [0, 10, 20, 30]
wdirs = [0, 30, 90]
dw_ijl, hcw_ijl, dh_ijl, dw_indices_l = distance(FlatSite(),
src_x_i=x,
src_y_i=y,
src_h_i=h,
dst_x_j=[0],
dst_y_j=[0],
dst_h_j=[0],
wd_il=np.array(wdirs)[na])
ti=0)
# TerrainFollowingDistance.__init__(self, )
def elevation(self, x_i, y_i):
return np.where(np.abs(x_i) < self.width / 2, self.height, 0)
def ParqueFicticioSiteTerrainFollowingDistance2():
site = ParqueFicticioSite(distance=TerrainFollowingDistance2())
x, y = site.initial_position.T
return site, x, y
@pytest.mark.parametrize(
'Distance',
[StraightDistance(), FlatTerrainFollowingDistance()])
def test_flat_distances(Distance):
x = [0, 50, 100, 100]
y = [100, 100, 100, 0]
h = [0, 10, 20, 30]
wdirs = [0, 30, 90]
distances = Distance.distances
dw_ijl, hcw_ijl, dh_ijl, dw_indices_l = distances(
src_x_i=x,
src_y_i=y,
src_h_i=h,
dst_x_j=[0],
dst_y_j=[0],
dst_h_j=[0],
wd_il=np.array(wdirs)[na])