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mass.f90
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#include "debug_option.h"
!----------------------------------------------------------------------
SUBROUTINE MASS (LO)
! ....SOLVE CONTINUITY EQUATION
! OPTION:
! 0 - LINEAR SWE WITHOUT DISPERSION ADJUSTMENT
! 1 - NONLINEAR SWE WITHOUT DISPERSION ADJUSTMENT
! 2 - LINEAR SWE WITH DISPERSION ADJUSTMENT
! 3 - NONLINEAR SWE WITH DISPERSION ADJUSTMENT
!----------------------------------------------------------------------
USE LAYER_PARAMS
TYPE (LAYER) :: LO
#ifdef DEBUG_CORE
CALL SET_ALL(LO)
#endif
!.....FOR SPHERICAL COORDINATES
IF (LO%LAYCORD .EQ. 0) THEN
SELECT CASE (LO%LAYGOV)
CASE (0)
CALL MASS_S (LO)
CASE (1)
CALL CONMASS_S (LO)
CASE (2)
CALL MASS_S_D (LO)
CASE (3)
CALL MASS_S_D (LO)
CASE (9)
CALL CONMASS_S (LO)
CASE DEFAULT
CALL MASS_S (LO)
END SELECT
!.....FOR CARTESIAN COORDINATES
ELSE
SELECT CASE (LO%LAYGOV)
CASE (0)
CALL MASS_C (LO)
CASE (1)
CALL CONMASS (LO)
CASE (2)
CALL MASS_C_D (LO)
CASE (3)
CALL MASS_C_D (LO)
CASE (5)
CALL CONMASS (LO)
CASE (9)
CALL CONMASS (LO)
CASE DEFAULT
CALL MASS_C (LO)
END SELECT
ENDIF
#ifdef DEBUG_CORE
CALL MASS_LAUNCH(LO%Z(:,:,1),LO%Z(:,:,2),LO%H(:,:), LO%ID)
#endif
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE MASS_S (L)
! ....SOLVE CONTINUITY EQUATION UNDER SPHERICAL COORD.
!----------------------------------------------------------------------
USE LAYER_PARAMS
TYPE (LAYER) :: L
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
DATA UB/99.0/
!
IS = 2
JS = 2
IF (L%ID .EQ. 1) THEN
IE = L%NX-1 !FOR OUTEST LAYER
JE = L%NY-1
ELSE
IE = L%NX !FOR INNER LAYER
JE = L%NY
END IF
DO J=JS,JE
JM1 = J-1
DO I=IS,IE
IF (L%H(I,J) .GT. GX) THEN
ZZ = L%Z(I,J,1)-L%R1(I,J)*(L%M(I,J,1)-L%M(I-1,J,1)) &
-L%R11(I,J)*(L%N(I,J,1)*L%R6(J) &
-L%N(I,JM1,1)*L%R6(JM1))
IF (L%INI_SWITCH.EQ.3 .OR. L%INI_SWITCH.EQ.4) &
ZZ = ZZ-(L%HT(I,J,2)-L%HT(I,J,1))
IF (ABS(ZZ) .LT. EPS) ZZ = ZERO
!* IF (ABS(ZZ) .GT. UB) ZZ=SIGN(UB,ZZ)
!DEPRESSION CANNOT BE LESS THAN BOTTOM ELEVATION
IF ( (ZZ+L%H(I,J)) .LE. EPS ) ZZ = -L%H(I,J)
L%Z(I,J,2) = ZZ
ELSE
L%Z(I,J,2) = 0.0
ENDIF
END DO
END DO
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE MASS_C (L)
! ....SOLVE CONTINUITY EQUATION (LINEAR) IN CARTESIAN COORD.
! LAYID = 1, OUTEST LAYER
! OTHERWISE, INNER LAYER
!
! NOTES: ADD SUPPORT FOR DX\=DY (FOR HIGH-LATITUDE, 05/04/2007)
! RX = L%R
! RY = L%DT/L%DY
!----------------------------------------------------------------------
USE LAYER_PARAMS
TYPE (LAYER) :: L
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
DATA UB/99.0/
RX = L%RX
RY = L%RY
!
IS = 2
JS = 2
IF (L%ID .EQ. 1) THEN !OUTTEST LAYER
IE = L%NX -1
JE = L%NY -1
ELSE ! INNER LAYER
IE = L%NX
JE = L%NY
ENDIF
IF (L%DIM.EQ.1) THEN
L%N(:,:,:) = 0.0
JS = NINT(L%NY/2.0)
JE = NINT(L%NY/2.0)
ENDIF
DO J=JS,JE
DO I=IS,IE
IF (L%H(I,J) .GT. GX) THEN
ZZ = L%Z(I,J,1) - RX*(L%M(I,J,1)-L%M(I-1,J,1)) &
- RY*(L%N(I,J,1)-L%N(I,J-1,1))
IF (L%INI_SWITCH.EQ.3 .OR. L%INI_SWITCH.EQ.4) &
ZZ = ZZ-(L%HT(I,J,2)-L%HT(I,J,1))
IF (ABS(ZZ) .LT. EPS) ZZ = ZERO
!DEPRESSION CANNOT BE LESS THAN BOTTOM ELEVATION
!* IF (ABS(ZZ) .GT. UB) ZZ=SIGN(UB,ZZ)
IF ( (ZZ+L%H(I,J)) .LE. EPS ) ZZ = -L%H(I,J)
L%Z(I,J,2) = ZZ
ELSE
L%Z(I,J,2) = 0.0
ENDIF
IF (L%DIM.EQ.1) L%Z(I,:,2) = L%Z(I,J,2)
END DO
END DO
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE CONMASS (L)
!.....SOVLE CONTINUITY EQUATION (NONLINEAR) IN CARTESIAN COORD.
! LAYID = 1, OUTEST LAYER
! OTHERWISE, INNER LAYER
!.....DD TOTAL WATER DEPTH
!----------------------------------------------------------------------
USE LAYER_PARAMS
! USE DFLIB
TYPE (LAYER) :: L
REAL FM
! INTEGER ERR, ERR_TABLE(L%NX,L%NY)
! INTEGER(2) STATUS
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
RX = L%RX
RY = L%RY
IF ( L%ID .EQ. 1 ) THEN !OUTTEST LAYER !20
IS = 2
JS = 2
IE = L%NX -1
JE = L%NY -1
ELSE
IS = 2
JS = 2
IE = L%NX
JE = L%NY
ENDIF
IF (L%DIM .EQ. 1) THEN
L%N(:,:,:) = 0.0
JS = NINT(L%NY/2.0)
JE = NINT(L%NY/2.0)
ENDIF
!* L%DZ = 0.0
DO J = JS, JE
DO I = IS, IE
IF (L%H(I,J) .GT. ELMAX) THEN
ZZZ = L%Z(I,J,1) - RX*(L%M(I,J,1)-L%M(I-1,J,1)) &
- RY*(L%N(I,J,1)-L%N(I,J-1,1))
IF (L%INI_SWITCH.EQ.3 .OR. L%INI_SWITCH.EQ.4) &
ZZZ = ZZZ-(L%HT(I,J,2)-L%HT(I,J,1))
IF (ABS(ZZZ) .LT. EPS) ZZZ = 0.0
DD = ZZZ + L%H(I,J)
IF (DD .GE. GX) THEN
L%DZ(I,J,2) = DD
L%Z(I,J,2) = ZZZ
ELSE
L%DZ(I,J,2) = 0.0
L%Z(I,J,2) = -L%H(I,J)
ENDIF
ELSE
L%DZ(I,J,2) = 0.0
L%Z(I,J,2) = -L%H(I,J)
ENDIF
IF (L%DIM.EQ.1) L%Z(I,:,2) = L%Z(I,JS,2)
ENDDO
ENDDO
RETURN
END
!----------------------------------------------------------------------
SUBROUTINE CONMASS_S (L)
!.....SOVLE CONTINUITY EQUATION (NONLINEAR) IN SPHERICAL COORD.
! LAYID = 1, OUTEST LAYER
! OTHERWISE, INNER LAYER
!.....DD TOTAL WATER DEPTH
!----------------------------------------------------------------------
USE LAYER_PARAMS
! USE DFLIB
TYPE (LAYER) :: L
REAL FM
! INTEGER ERR, ERR_TABLE(L%NX,L%NY)
! INTEGER(2) STATUS
COMMON /CONS/ ELMAX,GRAV,PI,R_EARTH,GX,EPS,ZERO,ONE,NUM_GRID, &
NUM_FLT,V_LIMIT,RAD_DEG,RAD_MIN
IS = 2
JS = 2
IF (L%ID .EQ. 1) THEN
IE = L%NX-1 !FOR OUTEST LAYER
JE = L%NY-1
ELSE
IE = L%NX !FOR INNER LAYER
JE = L%NY
END IF
DO J=JS,JE
JM1 = J-1
DO I=IS,IE
IF (L%H(I,J) .GE. ELMAX) THEN
ZZ = L%Z(I,J,1)-L%R1(I,J)*(L%M(I,J,1)-L%M(I-1,J,1)) &
- L%R11(I,J)*(L%N(I,J,1)*L%R6(J)-L%N(I,JM1,1) &
* L%R6(JM1))
IF (L%INI_SWITCH.EQ.3 .OR. L%INI_SWITCH.EQ.4) &
ZZ = ZZ-(L%HT(I,J,2)-L%HT(I,J,1))
IF (ABS(ZZ) .LT. EPS) ZZ = ZERO
DD = ZZ + L%H(I,J)
IF (DD .GE. GX) THEN
L%DZ(I,J,2) = DD
L%Z(I,J,2) = ZZ
ELSE
L%DZ(I,J,2) = 0.0
L%Z(I,J,2) = - L%H(I,J)
ENDIF
ELSE
L%DZ(I,J,2) = 0.0
L%Z(I,J,2) = - L%H(I,J)
ENDIF
END DO
END DO
RETURN
END