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HD Bug Fix: Correct the indices of mean drift load components in WAMIT2 #2089

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Merged
andrew-platt merged 3 commits into from
Mar 15, 2024
Merged

HD Bug Fix: Correct the indices of mean drift load components in WAMIT2 #2089

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c6551aa
HD Bug Fix: Correct the indices of mean drift load components in WAMIT2
luwang00 Mar 14, 2024
598fe9b
HD fix bad syntax introduced in the last commit (c6551aa842a55a806842…
luwang00 Mar 14, 2024
cbc6822
HD Bug Fix: Corrected the rotation matrix for second-order wave loads
luwang00 Mar 14, 2024
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21 changes: 11 additions & 10 deletions modules/hydrodyn/src/WAMIT2.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -1105,8 +1105,8 @@ SUBROUTINE MnDrift_InitCalc( InitInp, p, MnDriftData, MnDriftForce, ErrMsg, ErrS
endif

! NOTE: RotateZMatrixT is the rotation from local to global.
RotateZMatrixT(:,1) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(:,2) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(1,:) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(2,:) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)


DO ThisDim=1,6
Expand Down Expand Up @@ -1220,8 +1220,9 @@ SUBROUTINE MnDrift_InitCalc( InitInp, p, MnDriftData, MnDriftForce, ErrMsg, ErrS


! Now rotate the force components with platform orientation
MnDriftForce(1:2) = MATMUL( RotateZMatrixT, MnDriftForce(1:2) ) ! Fx and Fy, rotation about z
MnDriftForce(4:5) = MATMUL( RotateZMatrixT, MnDriftForce(4:5) ) ! Mx and My, rotation about z
Idx = (IBody-1)*6
MnDriftForce( (Idx+1):(Idx+2) ) = MATMUL( RotateZMatrixT, MnDriftForce( (Idx+1):(Idx+2) ) ) ! Fx and Fy, rotation about z
MnDriftForce( (Idx+4):(Idx+5) ) = MATMUL( RotateZMatrixT, MnDriftForce( (Idx+4):(Idx+5) ) ) ! Mx and My, rotation about z

ENDDO ! IBody

Expand Down Expand Up @@ -1804,8 +1805,8 @@ SUBROUTINE NewmanApp_InitCalc( InitInp, p, NewmanAppData, NewmanAppForce, ErrMsg

! Set rotation
! NOTE: RotateZMatrixT is the rotation from local to global.
RotateZMatrixT(:,1) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(:,2) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(1,:) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(2,:) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)

! Loop through all the frequencies
DO J=1,InitInp%WaveField%NStepWave2
Expand Down Expand Up @@ -2331,8 +2332,8 @@ SUBROUTINE DiffQTF_InitCalc( InitInp, p, DiffQTFData, DiffQTFForce, ErrMsg, ErrS

! Set rotation
! NOTE: RotateZMatrixT is the rotation from local to global.
RotateZMatrixT(:,1) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(:,2) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(1,:) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(2,:) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)

! Loop through all the frequencies
DO J=1,InitInp%WaveField%NStepWave2
Expand Down Expand Up @@ -2931,8 +2932,8 @@ SUBROUTINE SumQTF_InitCalc( InitInp, p, SumQTFData, SumQTFForce, ErrMsg, ErrStat

! Set rotation
! NOTE: RotateZMatrixT is the rotation from local to global.
RotateZMatrixT(:,1) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(:,2) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(1,:) = (/ cos(InitInp%PtfmRefztRot(IBody)), -sin(InitInp%PtfmRefztRot(IBody)) /)
RotateZMatrixT(2,:) = (/ sin(InitInp%PtfmRefztRot(IBody)), cos(InitInp%PtfmRefztRot(IBody)) /)

! Loop through all the frequencies
DO J=1,InitInp%WaveField%NStepWave2
Expand Down