Add error message to openfast_io's FAST_Reader.py to throw an error if NRotors > 1 saying that multi-rotor support isn't implemented yet

Author: deslaughter

modules/awae/src/AWAE.f90

@@ -1809,8 +1809,8 @@ subroutine AWAE_UpdateStates(n, u, p, x, xd, z, OtherState, m, errStat, errMsg)
 
             ! Calculate wind velocities at grid locations from InflowWind
             call IfW_FlowField_GetVelAcc(p%IfW(0)%FlowField, 1, t + i_hl*p%DT_high, &
-                                          m%u_IfW_High(nt)%PositionXYZ, &
-                                          m%y_IfW_High(nt)%VelocityUVW, AccUVW, errStat2, errMsg2)
+                                         m%u_IfW_High(nt)%PositionXYZ, &
+                                         m%y_IfW_High(nt)%VelocityUVW, AccUVW, errStat2, errMsg2)
             if (Failed()) return
 
             ! Transfer velocities to high resolution grid

openfast_io/openfast_io/FAST_reader.py

@@ -361,6 +361,10 @@ def read_MainInput(self):
         self.fst_vt['Fst']['MHK'] = int(f.readline().split()[0])
         self.fst_vt['Fst']['MirrorRotor'] = read_array(f, self.fst_vt['Fst']['NRotors'], array_type=bool)
 
+        if self.fst_vt['Fst']['NRotors'] > 1:
+            raise ValueError('openfast_io does not currently support multi-rotor turbines (NRotors > 1),' + 
+                             'this feature will be added in a future release')
+
         # Environmental conditions
         f.readline()
         self.fst_vt['Fst']['Gravity']   = float_read(f.readline().split()[0])