NLRWindSystems · gbarter · Apr 10, 2026 · Mar 6, 2026 · Mar 6, 2026 · Mar 18, 2026
diff --git a/.github/workflows/CI_WISDEM.yml b/.github/workflows/CI_WISDEM.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: False
       matrix:
         os: [ubuntu-latest, macos-14, windows-latest]
-        python-version: ["3.11", "3.12", "3.13"]
+        python-version: ["3.12", "3.13", "3.14"]
 
     steps:
       - name: checkout repository
@@ -46,7 +46,7 @@ jobs:
       - name: Add dependencies windows specific
         if: contains( matrix.os, 'windows')
         run: |
-          conda install -y m2w64-toolchain libpython
+          conda install -y gfortran gcc
 
       - name: Debug config
         run: |
@@ -75,7 +75,7 @@ jobs:
 
       # Run coveralls
       - name: Run coveralls
-        if: contains( matrix.os, 'ubuntu') && contains( matrix.python-version, '3.12')
+        if: contains( matrix.os, 'ubuntu') && contains( matrix.python-version, '3.13')
         #uses: coverallsapp/github-action@v2
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -94,7 +94,7 @@ jobs:
       fail-fast: False
       matrix:
         os: [ubuntu-latest, windows-latest, macos-14] #mac-13 intel, mac-latest is arm
-        python-version: ["3.12"]
+        python-version: ["3.13"]
 
     steps:
       - name: Setup GNU Fortran

diff --git a/environment.yml b/environment.yml
@@ -4,8 +4,8 @@ channels:
 
 dependencies:
 # NOTE: uncomment the OS-dependent lines below as needed
-  # - m2w64-toolchain  # [win]
-  # - libpython  # [win]
+  # - gfortran  # [win]
+  # - gcc       # [win]
   # - gfortran  # [osx]  # only if not installed via homebrew or macports
   - petsc4py  # [unix]
   - mpi4py  # [unix] # only needed if local system has mpi built and is used
@@ -14,11 +14,12 @@ dependencies:
   - jsonmerge
   - jsonschema
   - matplotlib
-  - moorpy>=1.2
+  - moorpy==1.2.1
   - nlopt
   - numpy
   - openmdao
   - openpyxl
+  - orbit-nrel>=1.2.5
   - pandas
   - pydoe3
   - pyoptsparse
@@ -27,8 +28,7 @@ dependencies:
   - sortedcontainers
   - statsmodels>=0.14.5
   - pip
+  - windIO>=2.1.1
+  - wombat>=0.13.1
   - pip:
-    - orbit-nrel>=1.2.5
-    - wombat>=0.13.1
     - dearpygui
-    - windIO
diff --git a/environment_dev.yml b/environment_dev.yml
@@ -4,21 +4,23 @@ channels:
 
 dependencies:
 # NOTE: uncomment the OS-dependent lines below as needed
-  # - m2w64-toolchain  # [win]
-  # - libpython  # [win]
+  # - gfortran  # [win]
+  # - gcc       # [win]
   # - gfortran  # [osx]  # only if not installed via homebrew or macports
   # - petsc4py  # [unix]
   # - mpi4py  # [unix] # only needed if local system has mpi built and is used
   - cython
+  - docstring_parser
   - jsonmerge
   - jsonschema
   - matplotlib
-  - moorpy>=1.2
+  - moorpy==1.2.1
   - ninja
   - nlopt
   - numpy
   - openmdao
   - openpyxl
+  - orbit-nrel>=1.2.5
   - pandas
   - pydoe3
   - pyoptsparse
@@ -35,13 +37,11 @@ dependencies:
   - pytest
   - pytest-cov
   - pip
+  - sphinxcontrib-bibtex
+  - sphinx-copybutton
+  - sphinx-jsonschema
+  - sphinx_rtd_theme>=1.3
+  - windIO>=2.1.1
+  - wombat>=0.13.1
   - pip:
-    - orbit-nrel>=1.2.5
-    - wombat>=0.13.1
     - dearpygui
-    - windIO
-    - sphinxcontrib-bibtex
-    - sphinx_rtd_theme>=1.3
-    - sphinx-jsonschema
-    - sphinx-copybutton
-    - docstring-parser
diff --git a/examples/02_reference_turbines/IEA-10-198-RWT.yaml b/examples/02_reference_turbines/IEA-10-198-RWT.yaml
@@ -455,7 +455,7 @@ components:
                   start_nd_arc:
                       anchor:
                           name: DP02_DP00_triax
-                          handle: DP02_DP00_uniax
+                          handle: start_nd_arc
                   end_nd_arc:
                       anchor:
                           name: TE

diff --git a/examples/03_blade/analysis_options_aero.yaml b/examples/03_blade/analysis_options_aero.yaml
@@ -18,9 +18,9 @@ design_variables:
                 # corresponding to 'max_efficiency' or 'stall_margin'
                 n_opt: 8 # Number of control points along blade span. During inverse design, 
                 # twist is smoothened with a spline with these
-                # max_decrease: 0.08722222222222221 # Maximum decrease for the twist 
+                # max_decrease: 5 # Maximum decrease for the twist 
                 # in [rad] at the n_opt locations. Only used if flag is set to True
-                # max_increase: 0.08722222222222221 # Maximum increase for the twist 
+                # max_increase: 5 # Maximum increase for the twist 
                 # in [rad] at the n_opt locations. Only used if flag is set to True
                 # index_start: 2 # Lock the first two DVs from blade root
                 # index_end: 8 # All DVs close to blade tip are active
@@ -40,7 +40,7 @@ constraints:
     blade:
         stall:
             flag: False # Constraint on minimum stall margin
-            margin: 0.1 # Value of minimum stall margin in [rad]
+            margin: 5.0 # Value of minimum stall margin in [deg]
         chord:
             flag: True # Constraint max chord to its default value (4.75 m)
             max: 4.75 # Max chord value

diff --git a/examples/03_blade/analysis_options_aerostruct.yaml b/examples/03_blade/analysis_options_aerostruct.yaml
@@ -13,8 +13,8 @@ design_variables:
                 flag: True             # Flag to optimize the twist
                 inverse: False         # Flag to determine twist from the user-defined desired margin to stall (defined in constraints)
                 n_opt: 4               # Number of control points along blade span
-                max_decrease: 0.08722222222222221 # Maximum decrease for the twist in [rad] at the n_opt locations
-                max_increase: 0.08722222222222221 # Maximum increase for the twist in [rad] at the n_opt locations
+                max_decrease: 5.0 # Maximum decrease for the twist in [deg] at the n_opt locations
+                max_increase: 5.0 # Maximum increase for the twist in [deg] at the n_opt locations
                 index_start: 2         # Lock the first two DVs from blade root
                 index_end: 4           # All DVs close to blade tip are active
             chord:
@@ -67,7 +67,7 @@ constraints:
             margin: 1.4175
         stall:
             flag: True    # Constraint on minimum stall margin
-            margin: 0.087 # Value of minimum stall margin in [rad]
+            margin: 5.0 # Value of minimum stall margin in [deg]
         moment_coefficient:
             flag: True    # Constraint on minimum stall margin
             max: 0.16

diff --git a/examples/03_blade/analysis_options_user.yaml b/examples/03_blade/analysis_options_user.yaml
@@ -9,8 +9,8 @@ design_variables:
                 flag: True  # Flag to optimize the twist
                 inverse: False # Flag to determine twist from the user-defined desired margin to stall (defined in constraints)
                 n_opt: 4     # Number of control points along blade span
-                max_decrease: 0.08722222222222221 # Maximum decrease for the twist in [rad] at the n_opt locations
-                max_increase: 0.08722222222222221 # Maximum increase for the twist in [rad] at the n_opt locations
+                max_decrease: 5.0 # Maximum decrease for the twist in [deg] at the n_opt locations
+                max_increase: 5.0 # Maximum increase for the twist in [deg] at the n_opt locations
                 index_start: 2 # Lock the first two DVs from blade root
                 index_end: 4 # All DVs close to blade tip are active
             chord:
@@ -42,7 +42,7 @@ constraints:
     blade:
         stall:
             flag: True     # Constraint on minimum stall margin
-            margin: 0.087 # Value of minimum stall margin in [rad]
+            margin: 5.0 # Value of minimum stall margin in [deg]
         chord:
             flag: False # Constraint max chord to its default value (4.75 m)
         root_circle_diameter:

diff --git a/examples/09_floating/IEA-22-280-RWT_Floater.yaml b/examples/09_floating/IEA-22-280-RWT_Floater.yaml
@@ -1118,10 +1118,9 @@ components:
             generator_rpm_efficiency_user:
                 grid: [1.98, 2.8, 3.47, 3.98, 4.31, 4.49, 5.1, 5.66, 6.39, 7.16]
                 values: [0.7878, 0.9071, 0.941, 0.9526, 0.9566, 0.9582, 0.9614, 0.9622, 0.9608, 0.9541]
-            elastic_properties_mb:
-                system_mass: 508040.0
             length: 3.047
             radius: 4.89
+            mass: 508040.0
 airfoils:
    -  name: FFA-W3-211
       coordinates:
@@ -1838,4 +1837,4 @@ control:
     pitch_actuator_damping: 0.707
     yaw_rate: 0.49847328176381617
     max_allowable_blade_tip_speed: 95.0
-    peak_thrust_shaving: 1.0
+    peak_thrust_shaving: 1.0
diff --git a/examples/09_floating/analysis_options_mooropt.yaml b/examples/09_floating/analysis_options_mooropt.yaml
@@ -26,9 +26,9 @@ merit_figure: mooring_mass
 constraints:
     floating:
         operational_heel:
-            upper_bound: 0.08726646259971647 # 5 deg
+            upper_bound: 5.0
         survival_heel:
-            upper_bound: 0.17453292519943295 # 10 deg
+            upper_bound: 10.0
         max_surge:
             flag: false
             upper_bound: 0.1

diff --git a/examples/09_floating/analysis_options_semiopt.yaml b/examples/09_floating/analysis_options_semiopt.yaml
@@ -84,9 +84,9 @@ merit_figure: LCOE
 constraints:
     floating:
         operational_heel:
-            upper_bound: 0.08726646259971647 # 5 deg
+            upper_bound: 5.0
         survival_heel:
-            upper_bound: 0.17453292519943295 # 10 deg
+            upper_bound: 10.0
         max_surge:
             flag: false
             upper_bound: 0.1

diff --git a/examples/09_floating/analysis_options_sparopt.yaml b/examples/09_floating/analysis_options_sparopt.yaml
@@ -28,9 +28,9 @@ merit_figure: platform_mass
 constraints:
     floating:
         operational_heel:
-            upper_bound: 0.08726646259971647 # 5 deg
+            upper_bound: 5.0
         survival_heel:
-            upper_bound: 0.17453292519943295 # 10 deg
+            upper_bound: 10.0
         max_surge:
             flag: false
             upper_bound: 0.1

diff --git a/examples/13_design_of_experiments/analysis_options.yaml b/examples/13_design_of_experiments/analysis_options.yaml
@@ -8,8 +8,8 @@ design_variables:
         flag: False  # Flag to optimize the twist
         inverse: False # Flag to determine twist from the user-defined desired margin to stall (defined in constraints)
         n_opt: 8     # Number of control points along blade span
-        max_decrease: 0.08722222222222221 # Maximum decrease for the twist in [rad] at the n_opt locations
-        max_increase: 0.08722222222222221 # Maximum increase for the twist in [rad] at the n_opt locations
+        max_decrease: 5.0 # Maximum decrease for the twist in [deg] at the n_opt locations
+        max_increase: 5.0 # Maximum increase for the twist in [deg] at the n_opt locations
       chord:
         flag: True     # Flag to optimize the chord
         n_opt: 8        # Number of control points along blade span

diff --git a/examples/16_inverse_design/analysis_options_rotor.yaml b/examples/16_inverse_design/analysis_options_rotor.yaml
@@ -9,8 +9,8 @@ design_variables:
             twist:
                 flag: True             # Flag to optimize the twist
                 n_opt: 4               # Number of control points along blade span
-                max_decrease: 0.08722222222222221 # Maximum decrease for the twist in [rad] at the n_opt locations
-                max_increase: 0.08722222222222221 # Maximum increase for the twist in [rad] at the n_opt locations
+                max_decrease: 5.0 # Maximum decrease for the twist in [deg] at the n_opt locations
+                max_increase: 5.0 # Maximum increase for the twist in [deg] at the n_opt locations
                 index_start: 2         # Lock the first two DVs from blade root
                 index_end: 4           # All DVs close to blade tip are active
             chord:
@@ -95,7 +95,7 @@ constraints:
             margin: 1.4175
         stall:
             flag: True    # Constraint on minimum stall margin
-            margin: 0.087 # Value of minimum stall margin in [rad]
+            margin: 5.0 # Value of minimum stall margin in [deg]
         moment_coefficient:
             flag: True    # Constraint on minimum stall margin
             max: 0.16

diff --git a/examples/18_rotor_tower_monopile/analysis_options.yaml b/examples/18_rotor_tower_monopile/analysis_options.yaml
@@ -9,8 +9,8 @@ design_variables:
                 flag: True             # Flag to optimize the twist
                 inverse: False         # Flag to determine twist from the user-defined desired margin to stall (defined in constraints)
                 n_opt: 6               # Number of control points along blade span
-                max_decrease: 0.08722222222222221 # Maximum decrease for the twist in [rad] at the n_opt locations
-                max_increase: 0.08722222222222221 # Maximum increase for the twist in [rad] at the n_opt locations
+                max_decrease: 5.0 # Maximum decrease for the twist in [deg] at the n_opt locations
+                max_increase: 5.0 # Maximum increase for the twist in [deg] at the n_opt locations
                 index_start: 1         # Lock the first DV at blade root
                 index_end: 5           # All DVs close to blade tip are active
             chord:
@@ -71,7 +71,7 @@ constraints:
             margin: 1.4175
         stall:
             flag: True    # Constraint on minimum stall margin
-            margin: 0.05233 # Value of minimum stall margin in [rad]
+            margin: 5.0 # Value of minimum stall margin in [deg]
         moment_coefficient:
             flag: True
             max: 0.16

diff --git a/examples/19_rotor_drivetrain_tower/analysis_options.yaml b/examples/19_rotor_drivetrain_tower/analysis_options.yaml
@@ -13,8 +13,8 @@ design_variables:
               flag: True 
               inverse: False
               n_opt: 8
-              max_decrease: 0.08722222222222223
-              max_increase: 0.08722222222222223
+              max_decrease: 5.0
+              max_increase: 5.0
               index_start: 2
               index_end: 8
           chord:
@@ -82,7 +82,7 @@ constraints:
   blade:
     stall:
       flag: True
-      margin: 0.05233
+      margin: 5.0
     chord:
       flag: True 
       max: 4.3

diff --git a/pyproject.toml b/pyproject.toml
@@ -4,10 +4,10 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "wisdem"
-version = "4.1.0"
+version = "4.1.1"
 description = "Wind-Plant Integrated System Design & Engineering Model"
 readme = "README.md"
-requires-python = ">=3.9"
+requires-python = ">=3.11"
 license = {text = "Apache-2.0"}
 keywords = ["wind", "turbine", "mdao", "design", "optimization"]
 authors = [
@@ -33,8 +33,6 @@ classifiers = [  # Optional
   # that you indicate you support Python 3. These classifiers are *not*
   # checked by "pip install". See instead "python_requires" below.
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
-  "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
   "Programming Language :: Python :: 3.13",
@@ -52,11 +50,11 @@ classifiers = [  # Optional
 dependencies = [
   "jsonmerge",
   "jsonschema",
-  "moorpy>=1.2",
+  "moorpy==1.2.1",
   "numpy",
   "openmdao",
   "openpyxl",
-  "orbit-nrel>=1.2.5",
+  "orbit-nrel>=1.2.6",
   "pandas",
   "pydoe3",
   "pyyaml",

diff --git a/wisdem/__init__.py b/wisdem/__init__.py
@@ -1 +1,5 @@
+from importlib.metadata import version
+
 from wisdem.glue_code.runWISDEM import run_wisdem
+
+__version__ = version("wisdem")
diff --git a/wisdem/ccblade/ccblade_component.py b/wisdem/ccblade/ccblade_component.py
@@ -498,7 +498,7 @@ def compute(self, inputs, outputs, discrete_inputs, discrete_outputs):
             cd = np.zeros(self.n_span)
             alpha = np.zeros(self.n_span)
             Emax = np.zeros(self.n_span)
-            margin2stall = self.options["opt_options"]["constraints"]["blade"]["stall"]["margin"] * 180.0 / np.pi
+            margin2stall = self.options["opt_options"]["constraints"]["blade"]["stall"]["margin"]
             Re = np.array(Omega * inputs["r"] * inputs["chord"] * inputs["rho"][0] / inputs["mu"][0])
             aoa_op = inputs["aoa_op"]
             for i in range(self.n_span):
@@ -538,7 +538,7 @@ def compute(self, inputs, outputs, discrete_inputs, discrete_outputs):
 
             # Cap twist root region to 20 degrees
             for i in range(len(ccblade.theta)):
-                cap_twist_root = self.options["opt_options"]["design_variables"]["blade"]["aero_shape"]["twist"]["cap_twist_root"]
+                cap_twist_root = np.deg2rad(self.options["opt_options"]["design_variables"]["blade"]["aero_shape"]["twist"]["cap_twist_root"])
                 if ccblade.theta[-i - 1] > cap_twist_root:
                     ccblade.theta[0 : len(ccblade.theta) - i] = cap_twist_root
                     break

diff --git a/wisdem/fixed_bottomse/monopile.py b/wisdem/fixed_bottomse/monopile.py
@@ -944,7 +944,7 @@ def setup(self):
                 "tower_torsion_modes",
                 "f1",
                 "f2",
-                "water_depth"
+                "water_depth",
             ],
         )
 
@@ -1031,3 +1031,4 @@ def setup(self):
             self.connect("soil.z_k", "monopile.z_soil")
             self.connect("soil.k", "monopile.k_soil")
 
+        self.set_input_defaults("rho_water", 1025.0, units="kg/m**3")
diff --git a/wisdem/floatingse/floating.py b/wisdem/floatingse/floating.py
@@ -146,3 +146,5 @@ def setup(self):
 
             for var in ["z_global", "s_full", "s_all"]:
                 self.connect(f"member{k}_{kname}.{var}", f"memload{k}.{var}")
+
+        self.set_input_defaults("rho_water", 1025.0, units="kg/m**3")
Original file line number	Diff line number	Diff line change
Expand Up		@@ -146,3 +146,5 @@ def setup(self):

		for var in ["z_global", "s_full", "s_all"]:
		self.connect(f"member{k}_{kname}.{var}", f"memload{k}.{var}")

		self.set_input_defaults("rho_water", 1025.0, units="kg/m**3")