FFarm MD output function now assumes the project.ms is already converted to lines outside the function. For dynamic stiffness, if the user needs to apply external forces, they have to apply that AFTER converting ss2lines.

Author: Yuksel-Rudy

famodel/project.py

@@ -4942,7 +4942,7 @@ def extractFarmInfo(self, cmax=5, fmax=10/6, Cmeander=1.9):
 
     def FFarmCompatibleMDOutput(self, filename, MDoptionsDict=None, **kwargs):
         '''
-        Function to create FFarm-compatible MoorDyn input file:
+        Function to create FFarm-compatible MoorDyn input file (assumes project.ms is already created and if subsystem converted to lines):
 
         Parameters
         ----------
@@ -4997,8 +4997,7 @@ def FFarmCompatibleMDOutput(self, filename, MDoptionsDict=None, **kwargs):
             MDoptionsDict = {}       
         from moorpy.helpers import ss2lines    
 
-        # convert SS to lines
-        ms_temp = ss2lines(self.ms)
+        ms = self.ms
 
         # Unrotate turbines if needed
         if unrotateTurbines:
@@ -5012,18 +5011,9 @@ def FFarmCompatibleMDOutput(self, filename, MDoptionsDict=None, **kwargs):
         # Setup nNodes of lines manually based on the segment length desired.
         from moorpy.helpers import lengthAwareSegmentation
 
-        lengthAwareSegmentation(ms_temp.lineList, factor=factor)
+        lengthAwareSegmentation(ms.lineList, factor=factor)
 
-        # Remove anchors from ms_temp
-        bodies_to_be_deleted = []
-        for body in ms_temp.bodyList:
-            if body.r6[2] < 0:
-                # this is an anchor, remove it
-                bodies_to_be_deleted.append(body)
-        for body in bodies_to_be_deleted:
-            ms_temp.bodyList.remove(body)
-
-        ms_temp.unload(fileName=filename, phi=phi, dynamicStiffness=dynamicStiffness, MDoptionsDict=MDoptionsDict, outputList=outputList, flag=flag)
+        ms.unload(fileName=filename, phi=phi, dynamicStiffness=dynamicStiffness, MDoptionsDict=MDoptionsDict, outputList=outputList, flag=flag)
 
         # rename Body to Turbine if needed
         if renameBody: