diff --git a/wetb/gtsdf/__init__.py b/wetb/gtsdf/__init__.py
index 0c84199f52b04b0e90da6e7ac32a120f6e28a62b..4d48fa17a46720365d1de4717a393db9771bf8a9 100644
--- a/wetb/gtsdf/__init__.py
+++ b/wetb/gtsdf/__init__.py
@@ -67,7 +67,9 @@ class Dataset(object):
for i, n in enumerate(self.info['attribute_names']):
print (i,n)
raise e
-
+
+ def __contains__(self, name):
+ return name in self.info['attribute_names']
__all__ = sorted([m for m in set(dir()) - set(d)])
diff --git a/wetb/hawc2/ae_file.py b/wetb/hawc2/ae_file.py
index cee13d9f107fea4ad249ad514e480e70d61d2233..d3628fee19eebc8bc152588b7c572a703e01c179 100644
--- a/wetb/hawc2/ae_file.py
+++ b/wetb/hawc2/ae_file.py
@@ -45,14 +45,24 @@ class AEFile(object):
def _value(self, radius, column, set_nr=1):
ae_data = self.ae_sets[set_nr]
- return np.interp(radius, ae_data[:, 0], ae_data[:, column])
+ if radius:
+ return np.interp(radius, ae_data[:, 0], ae_data[:, column])
+ else:
+ return ae_data[:,column]
- def chord(self, radius, set_nr=1):
+ def chord(self, radius=None, set_nr=1):
return self._value(radius, 1, set_nr)
- def thickness(self, radius, set_nr=1):
+ def thickness(self, radius=None, set_nr=1):
return self._value(radius, 2, set_nr)
-
+
+ def radius_ae(self, radius=None, set_nr=1):
+ radii = self.ae_sets[set_nr][:,0]
+ if radius:
+ return radii[np.argmin(np.abs(radii-radius))]
+ else:
+ return radii
+
def pc_set_nr(self, radius, set_nr=1):
ae_data = self.ae_sets[set_nr]
index = np.searchsorted(ae_data[:, 0], radius)
@@ -68,6 +78,7 @@ class AEFile(object):
if __name__ == "__main__":
ae = AEFile(r"tests/test_files/NREL_5MW_ae.txt")
- print (ae.thickness(36))
+ print (ae.radius_ae(36))
+ print (ae.thickness())
print (ae.chord(36))
print (ae.pc_set_nr(36))
diff --git a/wetb/hawc2/at_time_file.py b/wetb/hawc2/at_time_file.py
index 10ed8583dd11b1bb280db37a1aa216d43bfcbde1..c84c75e6fdd38bb6646aac366556b261e40744fa 100644
--- a/wetb/hawc2/at_time_file.py
+++ b/wetb/hawc2/at_time_file.py
@@ -16,22 +16,37 @@ import numpy as np
class AtTimeFile(object):
"""Loads an at time file generated by HAWC2
- Note that the radius in this context is the curved radius
-
- >>> atfile = AtTimeFile("at_time.dat") # load file
- >>> atfile.attribute_names # Attribute names
+ Functions are generated for each sensor in the file from the template:
+ xxx(radius=None, curved_length=None)
+
+ E.g.
+ twist(radius=36) # Twist at radius 36m (Straight line radius, blade_radius must be specified in constructor)
+ twist(curved_length=36) # Twist 36m from the root along the (curved) center line
+ twist() # Twist at all aerodynamic calculation points
+
+
+ >>> at = AtTimeFile("at.dat", 86.3655) # load file
+ >>> at.attribute_names # Attribute names
['radius_s', 'twist', 'chord']
- >>> atfile[:3,1]) # first 3 twist rows
- [ 0. -0.775186 -2.91652 ]
- >>> atfile.twist()[:3]) # first 3 twist rows
- [ 0. -0.775186 -2.91652 ]
- >>> atfile.twist(curved_length=10) # Twist at curved_length = 10 (interpolated)
- -5.34743208242399
- >>> atfile.twist(radius=10) # Twist at curved_length = 10 (interpolated)
- -5.34743208242399
+ >>> at[:3,1]) # first 3 twist rows
+ [-14.5 -14.5002 -14.5007]
+ >>> at.twist()[:3]) # Twist first 3 twist rows
+ [-14.5 -14.5002 -14.5007]
+ >>> at.twist(curved_length=36) # Twist at curved_length = 10 (interpolated)
+ -5.172195702789108
+ >>> at.twist(radius=36) # Twist at curved_length = 10 (interpolated)
+ -5.162084567646019
"""
- def __init__(self, filename, blade_radius=None):
- self.blade_radius = blade_radius
+ def __init__(self, filename, bladetip_radius=None):
+ """
+ Parameters
+ ----------
+ filename : string
+ Filename
+ bladetip_radius : int, float or None, optional
+ Radius of blade tip. Used to convert from curved length to radius
+ """
+ self.blade_radius = bladetip_radius
with open(filename, encoding='utf-8') as fid:
lines = fid.readlines()
self.attribute_names = lines[2].lower().replace("#", "").split()
@@ -43,7 +58,7 @@ class AtTimeFile(object):
if radius is None and curved_length is None:
return self.data[:, column]
elif radius is not None:
- assert self.blade_radius is not None, "blade_radius must be specified in __init__ when requesting value of radius (alternatively you can request for curved_length)"
+ assert self.blade_radius is not None, "bladetip_radius must be specified in __init__ when requesting value of radius (alternatively you can request for curved_length)"
return np.interp(radius/self.blade_radius, self.data[:, 0]/self.data[-1, 0], self.data[:, column])
else:
return np.interp(curved_length, self.data[:, 0], self.data[:, column])
@@ -51,7 +66,7 @@ class AtTimeFile(object):
for column, att_name in enumerate(self.attribute_names):
setattr(self, att_name, func_factory(column))
- def ac_radius(self, radius=None):
+ def radius_ac(self, radius=None):
"""Radius (curved distance) of aerodynamic calculation point(s)
Parameters
@@ -66,7 +81,7 @@ class AtTimeFile(object):
Radius of calculation points or radius of calculation point nearest radius
"""
if radius is None:
- return self.radius_s(radius)
+ return self.radius_s()
else:
return self.radius_s()[np.argmin(np.abs(self.radius_s() - radius))]
@@ -78,8 +93,18 @@ class AtTimeFile(object):
if __name__ == "__main__":
- at = AtTimeFile(r"tests/test_files/at_time.dat")
- print (at.attribute_names)
- print (at.twist(36))
- print (at.chord(36))
+ at = AtTimeFile(r"tests/test_files/at.dat", 86.3655) # load file
+ print (at.attribute_names) # Attribute names
+ print (at[:3,1]) # first 3 twist rows
+ print (at.twist()[:3]) # first 3 twist rows
+ print (at.twist(curved_length=36)) # Twist at curved_length = 10 (interpolated)
+ print (at.twist(radius=36)) # Twist at curved_length = 10 (interpolated)
+
+# at = AtTimeFile(r"tests/test_files/at.dat", 86.3655)
+# print (at.attribute_names)
+# print (at.radius_s())
+# print (at.twist(curved_length=36))
+# print (at.chord(curved_length=36))
+# print (at.twist(curved_length=36))
+# print (at.twist(radius=36))
diff --git a/wetb/hawc2/bladeinfo.py b/wetb/hawc2/bladeinfo.py
new file mode 100644
index 0000000000000000000000000000000000000000..745685f31f1550761127592954c20890b2f658dc
--- /dev/null
+++ b/wetb/hawc2/bladeinfo.py
@@ -0,0 +1,210 @@
+'''
+Created on 3. maj 2017
+
+@author: mmpe
+'''
+import numpy as np
+from wetb.hawc2.at_time_file import AtTimeFile
+from wetb.hawc2.pc_file import PCFile
+from wetb.hawc2.htc_file import HTCFile
+from scipy.interpolate.interpolate import interp1d
+import os
+from wetb.utils.geometry import rad
+from wetb.hawc2.st_file import StFile
+
+
+
+class BladeInfo(object):
+ def twist(self, radius=None):
+ """Aerodynamic twist [deg]. Negative when leading edge is twisted towards wind(opposite to normal definition)\n
+
+ Parameters
+ ---------
+ radius : float or array_like, optional
+ radius [m] of interest
+ If None (default) the twist of all points are returned
+
+ Returns
+ -------
+ twist [deg] : float
+ """
+ raise NotImplementedError()
+
+ def chord(self, radius=None):
+ """Aerodynamic chord
+
+ Parameters
+ ---------
+ radius : float or array_like, optional
+ radius [m] of interest
+ If None (default) the twist of all points are returned
+
+ Returns
+ -------
+ chord [m] : float
+ """
+ raise NotImplementedError()
+
+
+
+ def c2nd(self, radius_nd):
+ """Return center line position
+
+ Parameters
+ ---------
+ radius_nd : float or array_like, optional
+ non dimensional radius
+
+ Returns
+ -------
+ x,y,z : float
+ """
+
+class H2BladeInfo(BladeInfo, PCFile, AtTimeFile):
+ """Provide HAWC2 info about a blade
+
+ From AE file:
+ - chord(radius=None, set_nr=1):
+ - thickness(radius=None, set_nr=1)
+ - radius_ae(radius=None, set_nr=1)
+
+ From PC file
+ - CL(radius, alpha, ae_set_nr=1)
+ - CD(radius, alpha, ae_set_nr=1)
+ - CM(radius, alpha, ae_set_nr=1)
+
+ From at_time_filename
+ - attribute_names
+ - xxx(radius=None, curved_length=None) # xxx for each attribute name
+ - radius_ac(radius=None) # Curved length of nearest/all aerodynamic calculation points
+
+ From ST file
+ - radius_st(radius=None, mset=1, set=1)
+ - xxx(radius=None, mset=1, set=1) # xxx for each of r, m, x_cg,y_cg, ri_x, ri_y, xs, ys, E, G, Ix, Iy, K, kx, ky, A, pitch, xe, ye
+ with template
+
+ """
+
+ def __init__(self, htcfile, ae_filename=None, pc_filename=None, at_time_filename=None, st_filename=None, blade_name=None):
+
+ if isinstance(htcfile, str):
+ assert htcfile.lower().endswith('.htc')
+ htcfile = HTCFile(htcfile)
+
+ blade_name = blade_name or htcfile.aero.link[2]
+ s = htcfile.new_htc_structure
+ at_time_filename = at_time_filename or os.path.join(htcfile.modelpath, htcfile.output_at_time.filename[0] + ".dat")
+ pc_filename = pc_filename or os.path.join(htcfile.modelpath, htcfile.aero.pc_filename[0])
+ ae_filename = ae_filename or os.path.join(htcfile.modelpath, htcfile.aero.ae_filename[0])
+
+ mainbodies = [s[k] for k in s.keys() if s[k].name_ == "main_body"]
+ mainbody_blade = [mb for mb in mainbodies if mb.name[0] == blade_name][0]
+ st_filename = st_filename or os.path.join(htcfile.modelpath, mainbody_blade.timoschenko_input.filename[0])
+
+ if os.path.isfile(pc_filename) and os.path.isfile(ae_filename):
+ PCFile.__init__(self, pc_filename, ae_filename)
+ blade_radius = self.ae_sets[1][-1,0]
+
+ if os.path.isfile(st_filename):
+ StFile.__init__(self, st_filename)
+ if os.path.isfile(at_time_filename):
+ AtTimeFile.__init__(self, at_time_filename, blade_radius)
+
+
+ self.c2def = np.array([v.values[1:5] for v in mainbody_blade.c2_def if v.name_ == "sec"])
+
+ #self.c2nd = lambda x : interp1d(self.c2def[:, 2] / self.c2def[-1, 2], self.c2def[:, :3], axis=0, kind='cubic')(np.max([np.min([x, np.ones_like(x)], 0), np.zeros_like(x) + self.c2def[0, 2] / self.c2def[-1, 2]], 0))
+ x, y, z, twist = self.hawc2_splines()
+ def interpolate(r):
+ r = (np.max([np.min([r, np.ones_like(r)], 0), np.zeros_like(r) + self.c2def[0, 2] / self.c2def[-1, 2]], 0))
+ return np.array([np.interp(r, np.array(z) / z[-1], xyz) for xyz in [x,y,z, twist]]).T
+
+ self.c2nd = interpolate #lambda r : interp1d(np.array(z) / z[-1], np.array([x, y, z]).T, axis=0, kind=1)(np.max([np.min([r, np.ones_like(r)], 0), np.zeros_like(r) + self.c2def[0, 2] / self.c2def[-1, 2]], 0))
+
+ def hawc2_splines(self):
+ curve_z = np.r_[0, np.cumsum(np.sqrt(np.sum(np.diff(self.c2def[:, :3], 1, 0) ** 2, 1)))]
+ curve_z_nd = curve_z / curve_z[-1]
+
+ def akima(x, y):
+ n = len(x)
+ var = np.zeros((n + 3))
+ z = np.zeros((n))
+ co = np.zeros((n, 4))
+ for i in range(n - 1):
+ var[i + 2] = (y[i + 1] - y[i]) / (x[i + 1] - x[i])
+ var[n + 1] = 2 * var[n] - var[n - 1]
+ var[n + 2] = 2 * var[n + 1] - var[n]
+ var[1] = 2 * var[2] - var[3]
+ var[0] = 2 * var[1] - var[2]
+
+ for i in range(n):
+ wi1 = abs(var[i + 3] - var[i + 2])
+ wi = abs(var[i + 1] - var[i])
+ if (wi1 + wi) == 0:
+ z[i] = (var[i + 2] + var[i + 1]) / 2
+ else:
+ z[i] = (wi1 * var[i + 1] + wi * var[i + 2]) / (wi1 + wi)
+
+ for i in range(n - 1):
+ dx = x[i + 1] - x[i]
+ a = (z[i + 1] - z[i]) * dx
+ b = y[i + 1] - y[i] - z[i] * dx
+ co[i, 0] = y[i]
+ co[i, 1] = z[i]
+ co[i, 2] = (3 * var[i + 2] - 2 * z[i] - z[i + 1]) / dx
+ co[i, 3] = (z[i] + z[i + 1] - 2 * var[i + 2]) / dx ** 2
+ co[n - 1, 0] = y[n - 1]
+ co[n - 1, 1] = z[n - 1]
+ co[n - 1, 2] = 0
+ co[n - 1, 3] = 0
+ return co
+
+ def coef2spline(s, co):
+ x, y = [], []
+ for i, c in enumerate(co.tolist()[:-1]):
+ p = np.poly1d(c[::-1])
+ z = np.linspace(0, s[i + 1] - s[i ], 10, endpoint=i >= co.shape[0] - 2)
+ x.extend(s[i] + z)
+ y.extend(p(z))
+ return y
+
+ x, y, z, twist = [coef2spline(curve_z_nd, akima(curve_z_nd, self.c2def[:, i])) for i in range(4)]
+ return x, y, z, twist
+
+ def c2def_twist(self, radius=None):
+ if radius is None:
+ return self.c2def[:, 3]
+ else:
+ return np.interp(radius, self.c2def[:, 2], self.c2def[:, 3])
+
+
+
+class H2aeroBladeInfo(H2BladeInfo):
+
+ def __init__(self, at_time_filename, ae_filename, pc_filename, htc_filename):
+ """
+ at_time_filename: file name of at time file containing twist and chord data
+ """
+ PCFile.__init__(self, pc_filename, ae_filename)
+ blade_radius = self.ae_sets[1][-1,0]
+ AtTimeFile.__init__(self, at_time_filename, blade_radius)
+
+ assert('twist' in self.attribute_names)
+ htcfile = HTCFile(htc_filename)
+
+
+ self.c2def = np.array([v.values[1:5] for v in htcfile.blade_c2_def if v.name_ == "sec"])
+ #self._c2nd = interp1d(self.c2def[:, 2] / self.c2def[-1, 2], self.c2def[:, :3], axis=0, kind='cubic')
+
+ ac_radii = self.ac_radius()
+ c2_axis_length = np.r_[0, np.cumsum(np.sqrt((np.diff(self.c2def[:, :3], 1, 0) ** 2).sum(1)))]
+ self._c2nd = interp1d(c2_axis_length / c2_axis_length[-1], self.c2def[:, :3], axis=0, kind='cubic')
+ #self._c2nd = interp1d(self.c2def[:,2]/self.c2def[-1,2], self.c2def[:, :3], axis=0, kind='cubic')
+
+ def c2nd(self, r_nd):
+ r_nd_min = np.zeros_like(r_nd) + self.c2def[0, 2] / self.c2def[-1, 2]
+ r_nd_max = np.ones_like(r_nd)
+ r_nd = np.max([np.min([r_nd, r_nd_max], 0), r_nd_min], 0)
+ return self._c2nd(r_nd)
+
+
diff --git a/wetb/hawc2/pc_file.py b/wetb/hawc2/pc_file.py
index f42cc1076518a42f14b38cb307b65c6847a28a39..bd0da0a7403545b893cbea7ac1a2b4dd5f432689 100644
--- a/wetb/hawc2/pc_file.py
+++ b/wetb/hawc2/pc_file.py
@@ -43,7 +43,7 @@ class PCFile(AEFile):
with open (filename) as fid:
lines = fid.readlines()
nsets = int(lines[0].split()[0])
- self.sets = {}
+ self.pc_sets = {}
lptr = 1
for nset in range(1, nsets + 1):
nprofiles = int(lines[lptr].split()[0])
@@ -59,12 +59,12 @@ class PCFile(AEFile):
thicknesses.append(thickness)
profiles.append(data)
lptr += n_rows
- self.sets[nset] = (np.array(thicknesses), profiles)
+ self.pc_sets[nset] = (np.array(thicknesses), profiles)
def _Cxxx(self, radius, alpha, column, ae_set_nr=1):
thickness = self.thickness(radius, ae_set_nr)
pc_set_nr = self.pc_set_nr(radius, ae_set_nr)
- thicknesses, profiles = self.sets[pc_set_nr]
+ thicknesses, profiles = self.pc_sets[pc_set_nr]
index = np.searchsorted(thicknesses, thickness)
if index == 0:
index = 1
@@ -112,7 +112,6 @@ class PCFile(AEFile):
return self._Cxxx(radius, alpha, 2, ae_set_nr)
def CM(self, radius, alpha, ae_set_nr=1):
-
return self._Cxxx(radius, alpha, 3, ae_set_nr)
if __name__ == "__main__":
diff --git a/wetb/hawc2/st_file.py b/wetb/hawc2/st_file.py
index f03efafb96d5b93b58c330e427abaed48f09e2cb..09ae72407aa278b03c2a5164187bfb82c9a406e4 100644
--- a/wetb/hawc2/st_file.py
+++ b/wetb/hawc2/st_file.py
@@ -91,7 +91,7 @@ class StFile(object):
radius = self.radius(None, mset_nr, set_nr)
return np.interp(radius, st_data[:, 0], st_data[:, column])
- def radius(self, radius=None, mset=1, set=1):
+ def radius_st(self, radius=None, mset=1, set=1):
r = self.main_data_sets[mset][set][:, 0]
if radius is None:
return r
diff --git a/wetb/hawc2/tests/test_AtTimeFile.py b/wetb/hawc2/tests/test_AtTimeFile.py
index 6f17562bab8741498c04106893e0541d9f50a17f..09573fd33ba82feb1f5dc5d52cc5ba1ec1ea0b21 100644
--- a/wetb/hawc2/tests/test_AtTimeFile.py
+++ b/wetb/hawc2/tests/test_AtTimeFile.py
@@ -15,7 +15,7 @@ import numpy as np
import os
-
+tfp = os.path.join(os.path.dirname(__file__), 'test_files/') # test file path
class TestAtTimeFile(unittest.TestCase):
def setUp(self):
@@ -24,7 +24,7 @@ class TestAtTimeFile(unittest.TestCase):
def test_doc_examples(self):
- atfile = AtTimeFile(self.testfilepath + "at_time.dat", blade_radius=20.501) # load file
+ atfile = AtTimeFile(self.testfilepath + "at_time.dat", bladetip_radius=20.501) # load file
self.assertEqual(atfile.attribute_names, ['radius_s', 'twist', 'chord'])
np.testing.assert_array_equal(atfile[:3, 1], [ 0., -0.775186, -2.91652 ])
np.testing.assert_array_equal(atfile.twist()[:3], [ 0. , -0.775186 , -2.91652 ])
@@ -48,7 +48,7 @@ class TestAtTimeFile(unittest.TestCase):
self.assertEqual(atfile.chord(curved_length=9), 1.3888996578373045)
def test_at_time_file_at_radius(self):
- atfile = AtTimeFile(self.testfilepath + "at_time.dat", blade_radius=20.501/2)
+ atfile = AtTimeFile(self.testfilepath + "at_time.dat", bladetip_radius=20.501/2)
self.assertEqual(atfile.radius_s(radius=9/2), 9)
self.assertEqual(atfile.twist(radius=9/2), -6.635983309665461)
self.assertEqual(atfile.chord(radius=9/2), 1.3888996578373045)
@@ -56,9 +56,9 @@ class TestAtTimeFile(unittest.TestCase):
def test_at_time_file_radius(self):
atfile = AtTimeFile(self.testfilepath + "at_time.dat")
- self.assertEqual(atfile.ac_radius()[12], 10.2505)
- self.assertEqual(atfile.ac_radius(10), 10.2505)
- self.assertEqual(atfile.ac_radius(10.5), 10.2505)
+ self.assertEqual(atfile.radius_ac()[12], 10.2505)
+ self.assertEqual(atfile.radius_ac(10), 10.2505)
+ self.assertEqual(atfile.radius_ac(10.5), 10.2505)
if __name__ == "__main__":
#import sys;sys.argv = ['', 'Test.testName']
diff --git a/wetb/hawc2/tests/test_files/at.dat b/wetb/hawc2/tests/test_files/at.dat
new file mode 100644
index 0000000000000000000000000000000000000000..f93af10f4f3c18596f1dd613503a5bc82847fffe
--- /dev/null
+++ b/wetb/hawc2/tests/test_files/at.dat
@@ -0,0 +1,53 @@
+ # Version ID : HAWC2MB 12.4
+ # Radial output at time: 0.120000000000000
+ # Radius_s # twist # Chord
+ 0.00000E+00 -1.45000E+01 5.38000E+00
+ 8.88594E-02 -1.45002E+01 5.38000E+00
+ 3.55072E-01 -1.45007E+01 5.38000E+00
+ 7.97544E-01 -1.45012E+01 5.38000E+00
+ 1.41446E+00 -1.45013E+01 5.38000E+00
+ 2.20328E+00 -1.45008E+01 5.38000E+00
+ 3.16076E+00 -1.44998E+01 5.38000E+00
+ 4.28297E+00 -1.44959E+01 5.38000E+00
+ 5.56530E+00 -1.44880E+01 5.38150E+00
+ 7.00248E+00 -1.44609E+01 5.40757E+00
+ 8.58860E+00 -1.43497E+01 5.47316E+00
+ 1.03171E+01 -1.40434E+01 5.57870E+00
+ 1.21810E+01 -1.34021E+01 5.71677E+00
+ 1.41726E+01 -1.24242E+01 5.87200E+00
+ 1.62836E+01 -1.11781E+01 6.02007E+00
+ 1.85054E+01 -9.82623E+00 6.13078E+00
+ 2.08289E+01 -8.68972E+00 6.18999E+00
+ 2.32446E+01 -7.84255E+00 6.19714E+00
+ 2.57424E+01 -7.19893E+00 6.15543E+00
+ 2.83122E+01 -6.63223E+00 6.06940E+00
+ 3.09433E+01 -6.10664E+00 5.94438E+00
+ 3.36250E+01 -5.60732E+00 5.78666E+00
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