Added example with a shared anchor using new calcMudlineLoads

Author: lsirkis

examples/05_Anchors/get_anchor_forces.py

@@ -0,0 +1,36 @@
+"""
+
+Simple driver file to create a RAFT model of a 2-platform array with turbines.
+This file then adds a wave spectrum to run, analyzes that case, and plots the results.
+
+For more information on using RAFT, please see RAFT documentation at https://github.com/WISDEM/RAFT
+"""
+
+from famodel import Project
+import matplotlib.pyplot as plt
+import os
+
+# define name of ontology input file
+dir = os.path.dirname(os.path.realpath(__file__))
+input_file = os.path.join(dir,'inputs','sharedanch_example.yaml')
+
+# initialize Project class with input file
+project = Project(file=input_file,raft=True)
+
+project.plot3d(plot_fowt=True) # plot the system
+
+
+#---Let's get the max anchor forces due to turbine thrust and wave displacement
+
+# first apply a wave motion amplitude
+for platform in project.platformList.values():
+    platform.x_ampl = 10 # [m]
+    
+# now go through each anchor and run the worst-case scenarios (has considerations for shared anchors as well)
+print('{:-^41}'.format('Max Anchor Loads'))
+print('Anchor ID | Horizontal Max | Vertical Max')
+for anchor in project.anchorList.values():
+    anchor.calcMudlineLoads()
+    print('{0:s}         {1:.2e} [N]     {2:.2e} [N]'.format(anchor.id,anchor.loads["Hm"],anchor.loads["Vm"]))
+
+plt.show()