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InflowWind Hub Velocity Mapping for MHKs #3399

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Merged
andrew-platt merged 1 commit into from
Jul 21, 2026
+15 −0
Merged

InflowWind Hub Velocity Mapping for MHKs #3399

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10 changes: 10 additions & 0 deletions modules/openfast-library/src/FAST_Mapping.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -3474,6 +3474,11 @@ subroutine Custom_InputSolve(Mapping, ModSrc, ModDst, iInput, T, ErrStat, ErrMsg
T%ED%y(ModSrc%Ins)%HubPtMotion%TranslationDisp(:, 1)
T%IfW%Input(iInput)%HubOrientation = T%ED%y(ModSrc%Ins)%HubPtMotion%Orientation(:, :, 1)

! MHK: shift hub position from MSL frame to seabed frame for InflowWind
if (T%p_FAST%MHK /= MHK_None) then
T%IfW%Input(iInput)%HubPosition(3) = T%IfW%Input(iInput)%HubPosition(3) + T%p_FAST%WtrDpth
end if

! Set Lidar position directly from hub motion mesh
T%IfW%Input(iInput)%lidar%HubDisplacementX = T%ED%y(ModSrc%Ins)%HubPtMotion%TranslationDisp(1, 1)
T%IfW%Input(iInput)%lidar%HubDisplacementY = T%ED%y(ModSrc%Ins)%HubPtMotion%TranslationDisp(2, 1)
Expand All @@ -3486,6 +3491,11 @@ subroutine Custom_InputSolve(Mapping, ModSrc, ModDst, iInput, T, ErrStat, ErrMsg
T%SED%y%HubPtMotion%TranslationDisp(:, 1)
T%IfW%Input(iInput)%HubOrientation = T%SED%y%HubPtMotion%Orientation(:, :, 1)

! MHK: shift hub position from MSL frame to seabed frame for InflowWind
if (T%p_FAST%MHK /= MHK_None) then
T%IfW%Input(iInput)%HubPosition(3) = T%IfW%Input(iInput)%HubPosition(3) + T%p_FAST%WtrDpth
end if

! Set Lidar position directly from hub motion mesh
T%IfW%Input(iInput)%lidar%HubDisplacementX = T%SED%y%HubPtMotion%TranslationDisp(1, 1)
T%IfW%Input(iInput)%lidar%HubDisplacementY = T%SED%y%HubPtMotion%TranslationDisp(2, 1)
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5 changes: 5 additions & 0 deletions modules/openfast-library/src/FAST_Subs.f90
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Expand Up @@ -519,6 +519,11 @@ SUBROUTINE FAST_InitializeAll( t_initial, m_Glue, p_FAST, y_FAST, m_FAST, ED, SE
Init%InData_IfW%RadAvg = Init%InData_IfW%RadAvg / p_FAST%NumBD
end select

! MHK: shift hub position from MSL frame to seabed frame for InflowWind
if (p_FAST%MHK /= MHK_None) then
Init%InData_IfW%HubPosition(3) = Init%InData_IfW%HubPosition(3) + p_FAST%WtrDpth
end if

IF (PRESENT(ExternInitData)) THEN
Init%InData_IfW%Use4Dext = ExternInitData%FarmIntegration

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