ExtInfw: relocate initialization to after AD_Init

modules/openfast-library/src/FAST_Subs.f90

@@ -548,51 +548,7 @@ SUBROUTINE FAST_InitializeAll( t_initial, p_FAST, y_FAST, m_FAST, ED, SED, BD, S
       END IF
 
    ELSEIF ( p_FAST%CompInflow == Module_ExtInfw ) THEN
-
-      IF ( PRESENT(ExternInitData) ) THEN
-         Init%InData_ExtInfw%NumActForcePtsBlade = ExternInitData%NumActForcePtsBlade
-         Init%InData_ExtInfw%NumActForcePtsTower = ExternInitData%NumActForcePtsTower
-      ELSE
-         CALL SetErrStat( ErrID_Fatal, 'ExternalInflow integration can be used only with external input data (not the stand-alone executable).', ErrStat, ErrMsg, RoutineName )
-         CALL Cleanup()
-         RETURN
-      END IF
-      ! get blade and tower info from AD.  Assumption made that all blades have same spanwise characteristics
-      Init%InData_ExtInfw%BladeLength = Init%OutData_AD%rotors(1)%BladeProps(1)%BlSpn(Init%OutData_AD%rotors(1)%BladeProps(1)%NumBlNds)
-      if (allocated(Init%OutData_AD%rotors(1)%TwrElev)) then
-         Init%InData_ExtInfw%TowerHeight     = Init%OutData_AD%rotors(1)%TwrElev(SIZE(Init%OutData_AD%rotors(1)%TwrElev)) - Init%OutData_AD%rotors(1)%TwrElev(1)   ! TwrElev is based on ground or MSL.  Need flexible tower length and first node
-         Init%InData_ExtInfw%TowerBaseHeight = Init%OutData_AD%rotors(1)%TwrElev(1)
-         ALLOCATE(Init%InData_ExtInfw%StructTwrHNodes( SIZE(Init%OutData_AD%rotors(1)%TwrElev)),  STAT=ErrStat2)
-         Init%InData_ExtInfw%StructTwrHNodes(:) = Init%OutData_AD%rotors(1)%TwrElev(:)
-      else
-         Init%InData_ExtInfw%TowerHeight     = 0.0_ReKi
-         Init%InData_ExtInfw%TowerBaseHeight = 0.0_ReKi
-      endif
-      ALLOCATE(Init%InData_ExtInfw%StructBldRNodes(Init%OutData_AD%rotors(1)%BladeProps(1)%NumBlNds),  STAT=ErrStat2)
-      Init%InData_ExtInfw%StructBldRNodes(:) = Init%OutData_AD%rotors(1)%BladeProps(1)%BlSpn(:)
-      IF (ErrStat2 /= 0) THEN
-         CALL SetErrStat(ErrID_Fatal,"Error allocating ExtInfw%InitInput.",ErrStat,ErrMsg,RoutineName)
-         CALL Cleanup()
-         RETURN
-      END IF
-
-      !Set node clustering type
-      Init%InData_ExtInfw%NodeClusterType = ExternInitData%NodeClusterType
-         ! set up the data structures for integration with ExternalInflow
-      CALL Init_ExtInfw( Init%InData_ExtInfw, p_FAST, AirDens, AD%Input(1), Init%OutData_AD, AD%y, ExtInfw, Init%OutData_ExtInfw, ErrStat2, ErrMsg2 )
-         CALL SetErrStat(ErrStat2,ErrMsg2,ErrStat,ErrMsg,RoutineName)
-
-      IF (ErrStat >= AbortErrLev) THEN
-         CALL Cleanup()
-         RETURN
-      END IF
-
-      !bjj: fix me!!! to do
-      Init%OutData_IfW%WindFileInfo%MWS = 0.0_ReKi
-
-      ! Set pointer to flowfield
-      IF (p_FAST%CompAero == Module_AD) AD%p%FlowField => Init%OutData_ExtInfw%FlowField
-
+      ! ExtInfw requires initialization of AD first, so nothing executed here
    ELSE
       Init%OutData_IfW%WindFileInfo%MWS = 0.0_ReKi
    END IF   ! CompInflow
@@ -874,6 +830,57 @@ SUBROUTINE FAST_InitializeAll( t_initial, p_FAST, y_FAST, m_FAST, ED, SED, BD, S
    ENDIF
 
 
+   ! ........................
+   ! initialize ExtInfw
+   !     Ideally this would be initialized in the same logic as InflowWind above.  However AD outputs are required
+   ! ........................
+   IF ( p_FAST%CompInflow == Module_ExtInfw ) THEN
+
+      IF ( PRESENT(ExternInitData) ) THEN
+         Init%InData_ExtInfw%NumActForcePtsBlade = ExternInitData%NumActForcePtsBlade
+         Init%InData_ExtInfw%NumActForcePtsTower = ExternInitData%NumActForcePtsTower
+      ELSE
+         CALL SetErrStat( ErrID_Fatal, 'ExternalInflow integration can be used only with external input data (not the stand-alone executable).', ErrStat, ErrMsg, RoutineName )
+         CALL Cleanup()
+         RETURN
+      END IF
+      ! get blade and tower info from AD.  Assumption made that all blades have same spanwise characteristics
+      Init%InData_ExtInfw%BladeLength = Init%OutData_AD%rotors(1)%BladeProps(1)%BlSpn(Init%OutData_AD%rotors(1)%BladeProps(1)%NumBlNds)
+      if (allocated(Init%OutData_AD%rotors(1)%TwrElev)) then
+         Init%InData_ExtInfw%TowerHeight     = Init%OutData_AD%rotors(1)%TwrElev(SIZE(Init%OutData_AD%rotors(1)%TwrElev)) - Init%OutData_AD%rotors(1)%TwrElev(1)   ! TwrElev is based on ground or MSL.  Need flexible tower length and first node
+         Init%InData_ExtInfw%TowerBaseHeight = Init%OutData_AD%rotors(1)%TwrElev(1)
+         ALLOCATE(Init%InData_ExtInfw%StructTwrHNodes( SIZE(Init%OutData_AD%rotors(1)%TwrElev)),  STAT=ErrStat2)
+         Init%InData_ExtInfw%StructTwrHNodes(:) = Init%OutData_AD%rotors(1)%TwrElev(:)
+      else
+         Init%InData_ExtInfw%TowerHeight     = 0.0_ReKi
+         Init%InData_ExtInfw%TowerBaseHeight = 0.0_ReKi
+      endif
+      ALLOCATE(Init%InData_ExtInfw%StructBldRNodes(Init%OutData_AD%rotors(1)%BladeProps(1)%NumBlNds),  STAT=ErrStat2)
+      Init%InData_ExtInfw%StructBldRNodes(:) = Init%OutData_AD%rotors(1)%BladeProps(1)%BlSpn(:)
+      IF (ErrStat2 /= 0) THEN
+         CALL SetErrStat(ErrID_Fatal,"Error allocating ExtInfw%InitInput.",ErrStat,ErrMsg,RoutineName)
+         CALL Cleanup()
+         RETURN
+      END IF
+
+      !Set node clustering type
+      Init%InData_ExtInfw%NodeClusterType = ExternInitData%NodeClusterType
+         ! set up the data structures for integration with ExternalInflow
+      CALL Init_ExtInfw( Init%InData_ExtInfw, p_FAST, AirDens, AD%Input(1), Init%OutData_AD, AD%y, ExtInfw, Init%OutData_ExtInfw, ErrStat2, ErrMsg2 )
+         CALL SetErrStat(ErrStat2,ErrMsg2,ErrStat,ErrMsg,RoutineName)
+
+      IF (ErrStat >= AbortErrLev) THEN
+         CALL Cleanup()
+         RETURN
+      END IF
+
+      !bjj: fix me!!! to do
+      Init%OutData_IfW%WindFileInfo%MWS = 0.0_ReKi
+
+      ! Set pointer to flowfield -- I would prefer that we did this through the AD_Init, but AD_InitOut results are required for ExtInfw_Init
+      IF (p_FAST%CompAero == Module_AD) AD%p%FlowField => Init%OutData_ExtInfw%FlowField
+   endif
+
 
    ! ........................
    ! initialize SuperController