Skip to content

Additional CCBlade fixes for Numpy 2.5 for WEIS #733

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
gbarter merged 1 commit into from
Jul 9, 2026
+9 −3
Merged

Additional CCBlade fixes for Numpy 2.5 for WEIS #733

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 9 additions & 3 deletions wisdem/ccblade/ccblade.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -102,13 +102,16 @@ def max_eff(self, Re):
aoa_end = 40

alpha = np.deg2rad(np.linspace(aoa_start, aoa_end, num=201))
cl = np.array([self.cl_spline.ev(aoa, Re) for aoa in alpha])
cd = np.array([self.cd_spline.ev(aoa, Re) for aoa in alpha])
cl = np.array([self.cl_spline.ev(aoa, Re) for aoa in alpha]).flatten()
cd = np.array([self.cd_spline.ev(aoa, Re) for aoa in alpha]).flatten()

if np.max(cl) < 1.e-3: # Cylinder
alpha_Emax = 0.
cl_Emax = self.cl_spline.ev(alpha_Emax, Re)
cd_Emax = self.cd_spline.ev(alpha_Emax, Re)
if isinstance(cl_Emax, np.ndarray):
cl_Emax = cl_Emax.item()
cd_Emax = cd_Emax.item()
Emax = cl_Emax / cd_Emax
else:
Eff = [cli / cdi for cli, cdi, in zip(cl, cd)]
Expand Down Expand Up @@ -139,14 +142,17 @@ def awayfromstall(self, Re, margin):
else:
alpha = np.deg2rad(np.linspace(aoa_start, aoa_end, num=201))
cl = [self.cl_spline.ev(aoa, Re) for aoa in alpha]
cd = [self.cd_spline.ev(aoa, Re) for aoa in alpha]
#cd = [self.cd_spline.ev(aoa, Re) for aoa in alpha]

i_stall = np.argmax(cl)
alpha_stall = alpha[i_stall]
alpha_op = alpha_stall - np.deg2rad(margin)

cl_op = self.cl_spline.ev(alpha_op, Re)
cd_op = self.cd_spline.ev(alpha_op, Re)
if isinstance(cl_op, np.ndarray):
cl_op = cl_op.item()
cd_op = cd_op.item()
Eff_op = cl_op / cd_op

# print Emax, np.deg2rad(alpha_Emax), cl_Emax, cd_Emax
Expand Down
Loading