update examples

examples/example_01.py

@@ -21,14 +21,12 @@
 # FAST_InputFile = '5MW_ITIBarge_DLL_WTurb_WavesIrr.fst'
 # FAST_directory = 'example_fast_input/5MW_ITIBarge_DLL_WTurb_WavesIrr'
 
-
-
 # Initialiize a turbine class
-drivetrain_inertia = 40469564.444
-turbine = wtc_turbine.Turbine(drivetrain_inertia=drivetrain_inertia)
+turbine = wtc_turbine.Turbine()
 
 # Load the turbine model from a FAST input folder
-turbine.load_from_fast(FAST_InputFile,FAST_directory,dev_branch=True)
+drivetrain_inertia = 40469564.444
+turbine.load_from_fast(FAST_InputFile,FAST_directory,drivetrain_inertia=drivetrain_inertia,dev_branch=True)
 
 # Display a little about the turbine
 print(turbine)

examples/example_02.py

@@ -1,7 +1,34 @@
-# Example_02
-# Load controller parameter file, make some changes and save as new file
+# Example_04
+# Load a turbine model from saved pickle, make a quick cp plot
 
 
 from WTC_toolbox import turbine as wtc_turbine
 from WTC_toolbox import controller as wtc_controller
-from WTC_toolbox import sim as wtc_sim
+from WTC_toolbox import sim as wtc_sim
+import numpy as np
+import matplotlib.pyplot as plt
+
+# Initialiize a turbine class
+turbine = wtc_turbine.Turbine()
+
+# Load quick from python
+turbine.load('saved_turbine.p')
+
+# Sweep TSR and fix pitch in two positions
+fixed_rpm = 10. # RPM
+fixed_pitch = 0.
+
+tsr = np.arange(1,15,0.1)
+
+
+cp_0 = np.array([turbine.cp_interp(t,0) for t in tsr])
+cp_3 = np.array([turbine.cp_interp(t,3) for t in tsr])
+
+fig, ax = plt.subplots()
+ax.plot(tsr,cp_0,label='Pitch=0')
+ax.plot(tsr,cp_3,label='Pitch=3')
+ax.set_xlabel('TSR')
+ax.set_ylabel('Cp')
+ax.grid(True)
+ax.legend()
+plt.show()

examples/example_03.py

@@ -0,0 +1,7 @@
+# Example_03
+# Load controller parameter file, make some changes and save as new file
+
+
+from WTC_toolbox import turbine as wtc_turbine
+from WTC_toolbox import controller as wtc_controller
+from WTC_toolbox import sim as wtc_sim

examples/example_04.py

@@ -0,0 +1,13 @@
+# Example_04
+# Load a turbine model and use to tune the controller
+
+
+from WTC_toolbox import turbine as wtc_turbine
+from WTC_toolbox import controller as wtc_controller
+from WTC_toolbox import sim as wtc_sim
+
+# Initialiize a turbine class
+turbine = wtc_turbine.Turbine()
+
+# Load quick from python
+turbine.load('saved_turbine.p')