def create_custom_profile():
"""
xup_coordinates, yup_coordinates, xdown_coordinates, ydown_coordinates
"""
xup = np.linspace(-1.0, 1.0, 5)
yup = np.array([0.0, 0.75, 1.0, 0.75, 0.0])
xdown = np.linspace(-1.0, 1.0, 5)
ydown = np.zeros(5)
return pr.CustomProfile(xup=xup, yup=yup, xdown=xdown, ydown=ydown)
def create_sample_blade_custom():
xup = np.linspace(-1.0, 1.0, 5)
yup = np.array([0.0, 0.75, 1.0, 0.75, 0.0])
xdown = np.linspace(-1.0, 1.0, 5)
ydown = np.zeros(5)
sections = np.asarray([
pr.CustomProfile(xup=xup, yup=yup, xdown=xdown, ydown=ydown)
for i in range(10)
])
radii = np.arange(0.4, 1.31, 0.1)
chord_lengths = np.concatenate(
(np.arange(0.55, 1.1, 0.15), np.arange(1.03, 0.9,
-0.03), np.array([0.3])))
pitch = np.append(np.arange(3.0, 4., 0.2), np.arange(4.1, 3.2, -0.2))
rake = np.append(np.arange(5e-3, 0.08, 1e-2),
np.arange(0.075, 0.02, -3e-2))
skew_angles = np.append(np.arange(-4., -9., -3.), np.arange(-7., 15., 3.))
return bl.Blade(sections=sections,
radii=radii,
chord_lengths=chord_lengths,
pitch=pitch,
rake=rake,
skew_angles=skew_angles)