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CALPUVTT.FOR
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CALPUVTT.FOR
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C
C**********************************************************************C
C**********************************************************************C
C**********************************************************************C
C
SUBROUTINE CALPUV2T_TT
C
C *** TT VERSION
C
C ** THIS SUBROUTINE IS PART OF EFDC-FULL VERSION 1.0a
C
C ** LAST MODIFIED BY JOHN HAMRICK ON 1 NOVEMBER 2001
C
C----------------------------------------------------------------------C
C
C CHANGE RECORD
C DATE MODIFIED BY DATE APPROVED BY
C 02/15/2002 John Hamrick 02/11/2002 John Hamrick
C added alternate sor equation solver relax2t
C----------------------------------------------------------------------C
C
C**********************************************************************C
C
C ** SUBROUTINE CALPUV2T CALCULATES THE EXTERNAL SOLUTION FOR P, UHDYE,
C ** AND VHDXE, FOR FREE SURFACE FLOWS WITH PROVISIONS FOR WETTING
C ** AND DRYING OF CELLS
C
C**********************************************************************C
C
C FPGXE(L) = PMCTESTX(1,L)
C FPGYE(L) = PMCTESTY(1,L)
C FUHDYE(L) = PMCTESTX(2,L)
C FVHDXE(L) = PMCTESTY(2,L)
C FP(L) = PMCTESTX(3,L)
C P(L) = PMCTESTY(3,L)
C UHDYE(L) = PMCTESTX(4,L)
C VHDXE(L) = PMCTESTY(4,L)
C HP(L) = PMCTESTX(5,L)
C
USE GLOBAL
DIMENSION QSUMTMP(LCM)
PARAMETER (LLCM=200)
REAL,STATIC :: CCW1(LLCM),CCE1(LLCM),CCN1(LLCM),CCS1(LLCM)
REAL,STATIC :: CCC1(LLCM)
REAL*4 EPSILON
C
C**********************************************************************C
C
IF(ISDYNSTP.EQ.0)THEN
DELT=DT
DELTD2=0.5*DT
DELTI=1./DELT
ELSE
DELT=DTDYN
DELTD2=0.5*DTDYN
DELTI=1./DELT
END IF
ISTL=2
C
C**********************************************************************C
C
C ** CALCULATE EXTERNAL BUOYANCY INTEGRALS AT TIME LEVEL (N)
C
!IF(BSC.GT.1.E-6) CALL CALEBI ALREADY
C
C**********************************************************************C
C
C ** CALCULATE EXPLICIT EXTERNAL PRESSURE GRADIENTS
C ** SBX=SBX*0.5*DYU & SBY=SBY*0.5*DXV
C ** SNLPX=SNLPX*GID2*DYU & SNLPY=SNLPY*GID2*DXV
C
C----------------------------------------------------------------------C
C
IF(BSC.GT.1.E-6)THEN
DO L=2,LA
PMCTESTX(1,L)=-SBX(L)*HU(L)*((BI2(L)+BI2(L-1))*(HP(L)-HP(L-1))
& +HU(L)*(BI1(L)-BI1(L-1))
& +(BE(L)+BE(L-1))*(BELV(L)-BELV(L-1)))
ENDDO
DO L=2,LA
LS=LSC(L)
PMCTESTY(1,L)=-SBY(L)*HV(L)*((BI2(L)+BI2(LS))*(HP(L)-HP(LS))
& +HV(L)*(BI1(L)-BI1(LS))
& +(BE(L)+BE(LS))*(BELV(L)-BELV(LS)))
ENDDO
ENDIF
C
C**********************************************************************C
C
C ** CALCULATE EXPLICIT EXTERNAL UHDYE AND VHDXE EQUATION TERMS
C ** HRU=SUB*HMU*DYU/DXU & HRV=SVB*HMV*DXV/DYV
C
C----------------------------------------------------------------------C
C
DO L=2,LA
HUTMP(L)=HU(L)
HVTMP(L)=HV(L)
ENDDO
C
DO L=2,LA
TVAR3S(L)=P(LSC(L))
ENDDO
C
DO L=2,LA
PMCTESTX(2,L)=UHDYE(L)
& -DELTD2*SUB(L)*HRUO(L)*HUTMP(L)*(P(L)-P(L-1))
& +SUB(L)*DELT*DXIU(L)*(DXYU(L)*(TSX(L)-RITB1*TBX(L))
& +FCAXE(L)+PMCTESTX(1,L)-SNLT*FXE(L))
PMCTESTY(2,L)=VHDXE(L)
& -DELTD2*SVB(L)*HRVO(L)*HVTMP(L)*(P(L)-TVAR3S(L))
& +SVB(L)*DELT*DYIV(L)*(DXYV(L)*(TSY(L)-RITB1*TBY(L))
& -FCAYE(L)+PMCTESTY(1,L)-SNLT*FYE(L))
ENDDO
C
C**********************************************************************C
C
C ** SET IMPLICIT BOTTOM AND VEGETATION DRAG AS APPROPRIATE
C
C----------------------------------------------------------------------C
C
DO L=2,LA
RCX(L)=1.
RCY(L)=1.
ENDDO
C
RCX(1)=0.
RCY(1)=0.
RCX(LC)=0.
RCY(LC)=0.
C
C * SINGLE LAYER NO VEGETATION
C
IF(KC.EQ.1.AND.ISVEG.EQ.0)THEN
DO L=2,LA
RCX(L)=1./( 1.
& +RITB*DELT*HUI(L)*STBX(L)*SQRT(VU(L)*VU(L)+U(L,1)*U(L,1)))
RCY(L)=1./( 1.
& +RITB*DELT*HVI(L)*STBY(L)*SQRT(UV(L)*UV(L)+V(L,1)*V(L,1)))
PMCTESTX(2,L)=PMCTESTX(2,L)*RCX(L)
PMCTESTY(2,L)=PMCTESTY(2,L)*RCY(L)
ENDDO
ENDIF
C
C * SINGLE LAYER WITH VEGETATION
C
IF(KC.EQ.1.AND.ISVEG.GE.1)THEN
DO L=2,LA
RCX(L)=1./( 1.
& +RITB*DELT*HUI(L)*STBX(L)*SQRT(VU(L)*VU(L)+U(L,1)*U(L,1))
& +DELT*FXVEGE(L) )
RCY(L)=1./( 1.
& +RITB*DELT*HVI(L)*STBY(L)*SQRT(UV(L)*UV(L)+V(L,1)*V(L,1))
& +DELT*FYVEGE(L) )
PMCTESTX(2,L)=PMCTESTX(2,L)*RCX(L)
PMCTESTY(2,L)=PMCTESTY(2,L)*RCY(L)
ENDDO
ENDIF
C
C * MULTIPLE LAYERS WITH VEGETATION
C
IF(KC.GT.1.AND.ISVEG.GE.1)THEN
DO L=2,LA
RCX(L)=1./( 1.+DELT*FXVEGE(L) )
RCY(L)=1./( 1.+DELT*FYVEGE(L) )
PMCTESTX(2,L)=PMCTESTX(2,L)*RCX(L)
PMCTESTY(2,L)=PMCTESTY(2,L)*RCY(L)
ENDDO
ENDIF
C
C**********************************************************************C
C
C ** RESET BOUNDARY CONDITIONS SWITCHES
C
C----------------------------------------------------------------------C
C
DO L=2,LA
SUB(L)=SUBO(L)
SVB(L)=SVBO(L)
SBX(L)=SBXO(L)
SBY(L)=SBYO(L)
SUB(L+1)=SUBO(L+1)
SBX(L+1)=SBXO(L+1)
ENDDO
DO L=2,LA
LN=LNC(L)
SVB(LN)=SVBO(LN)
SBY(LN)=SBYO(LN)
ENDDO
C
DO L=1,LC
PMCTESTX(3,L)=0.
FP1(L)=0.
ENDDO
C
C**********************************************************************C
C
C ** SET OPEN BOUNDARY SURFACE ELEVATIONS
C
IVAL=NPBW+NPBE+NPBS+NPBN
IF(IVAL.GT.0) CALL SETOBC2T(DELT,DELTD2,DELTI)
C
C**********************************************************************C
C
C ** ADJUST VOLUME SOURCE AND SINKS
C
C----------------------------------------------------------------------C
C
IF(ISGWIE.EQ.0)THEN
C
DO L=2,LA
IF(QSUME(L).LE.0.)THEN
IF(H1P(L).LE.HDRY)THEN
QSUMTMP(L)=0.
ELSE
QSUMTMP(L)=-(H1P(L)-HDRY)*DXYP(L)*DELTI
QSUMTMP(L)=MAX(QSUMTMP(L),QSUME(L))
ENDIF
ELSE
QSUMTMP(L)=QSUME(L)
ENDIF
ENDDO
C
DO L=2,LA
DIFQVOL=QSUME(L)-QSUMTMP(L)
DO K=1,KC
QSUM(L,K)=QSUM(L,K)-DIFQVOL*DZC(K)
ENDDO
QSUME(L)=QSUMTMP(L)
ENDDO
C
ENDIF
C
C**********************************************************************C
C
C ** ADJUST SOURCES AND SINKS ESTIMATING SURFACE AND GROUNDWATER
C ** AVAILABLE FOR EVAPOTRANSPIRATON AND INFILTRATION
C
C----------------------------------------------------------------------C
C
IF(ISGWIE.GE.1)THEN
C
DO L=2,LA
RIFTR(L)=0.
EVAPSW(L)=0.
EVAPGW(L)=0.
IF(H1P(L).GT.HDRY)THEN
C APPLY MAXIMUM ET
IF(EVAPCVT.LT.0.)THEN
SVPW=(10.**((0.7859+0.03477*TEM(L,KC))/
& (1.+0.00412*TEM(L,KC))))
EVAPT(L)=CLEVAP(L)*0.7464E-3*WINDST(L)*(SVPW-VPA(L))
& /PATMT(L)
ENDIF
EVAPSW(L)=EVAPT(L)*DXYP(L)
RIFTR(L)=0.
C CALCULATE DEPTH OF ACTIVE GROUNDWATER ELEV BELOW SURFACE
DTAGW=BELV(L)-AGWELV(L)
IF(DTAGW.GT.0.0)THEN
C INFLITRATION CAN OCCUR, CALCULATE LIMITING RATE TO BRING
C GW ELEV TO SOIL SURFACE
RIFTRL=RNPOR*DTAGW*DELTI
C SET RIFTRL TO MIN OF LIMITING RATE OR ACTUAL RATE
RIFTRL=MIN(RIFTRM,RIFTRL)
C ESTIMATE RATE BASED ON AVAILABLE SURFACE WATER
RAVAIL=(H1P(L)-HDRY)*DELTI-EVAPT(L)
C SET RIFTRL TO MIN OF AVAILABLE RATE OR LIMITING RATE
RIFTRL=MIN(RAVAIL,RIFTRL)
C CONVERT TO VOLUME FLOW UNITS
RIFTR(L)=RIFTRL*DXYP(L)
ENDIF
C ADJUST VOLUME OUTFLOWS OF WET CELLS
IF(QSUME(L).LT.0.0)THEN
QSUMIET=RIFTR(L)+EVAPSW(L)
QEAVAIL=DXYP(L)*(H1P(L)-HDRY)*DELTI-QSUMIET
QEAVAIL=MAX(QEAVAIL,0.0)
QEAVAIL=-QEAVAIL
QSUMTMP(L)=MAX(QSUME(L),QEAVAIL)
ELSE
QSUMTMP(L)=QSUME(L)
ENDIF
ELSE
RIFTR(L)=0.
EVAPSW(L)=0.
QSUMTMP(L)=MAX(QSUME(L),0.0)
ENDIF
ENDDO
C
DO L=2,LA
DIFQVOL=QSUME(L)-QSUMTMP(L)
DO K=1,KC
QSUM(L,K)=QSUM(L,K)-DIFQVOL*DZC(K)
ENDDO
QSUME(L)=QSUMTMP(L)
ENDDO
C
ENDIF
C
C**********************************************************************C
C
C ** ADVANCE EXTERNAL VARIABLES
C
C----------------------------------------------------------------------C
C
DO L=1,LC
PMCTESTX(6,L)=UHDYE(L)
PMCTESTY(6,L)=VHDXE(L)
PMCTESTX(7,L)=HP(L)
ENDDO
C
C ROI DO L=2,LA
C ROI UHDY2E(L)=UHDY1E(L)
C ROI VHDX2E(L)=VHDX1E(L)
C ROI UHDY1E(L)=UHDYE(L)
C ROI VHDX1E(L)=VHDXE(L)
C ROI U1V(L)=UV(L)
C ROI V1U(L)=VU(L)
C ROI P1(L)=P(L)
C ROI H1U(L)=HU(L)
C ROI H1V(L)=HV(L)
C ROI H1UI(L)=HUI(L)
C ROI H1VI(L)=HVI(L)
C ROI !H2P(L)=H1P(L) pmc
C ROI H1P(L)=HP(L)
C ROI AGWELV2(L)=AGWELV1(L)
C ROI AGWELV1(L)=AGWELV(L)
C ROI ENDDO
C
C**********************************************************************C
C
C ** SET OLD TIME LEVEL TERMS IN CONTINUITY EQUATION FOR
C ** NON BOUNDARY POINTS
C ** HRU=HMU*DYU/DXU & HRV=HMV*DXV/DYV
C ** DXYIP=1/(DXP*DYP)
C
C----------------------------------------------------------------------C
C
DO L=2,LA
TVAR3N(L)=VHDXE(LNC(L))
ENDDO
DO L=2,LA
FP1(L)=FP1(L)+SPB(L)*( DELTI*DXYP(L)*P(L)
& -0.5*G*(UHDYE(L+1)-UHDYE(L)
& +TVAR3N(L)-VHDXE(L)) )
ENDDO
C
C**********************************************************************C
C
C ** SET NEW TIME LEVEL TERMS IN CONTINUITY EQUATION INCLUDING
C ** HOST-GUEST CHANNAL INTERACTION FOR NON BOUNDARY POINTS
C
C----------------------------------------------------------------------C
C
DO L=2,LA
LN=LNC(L)
TVAR3N(L)=SVB(LN )*PMCTESTY(2,LN)
ENDDO
DO L=2,LA
PMCTESTX(3,L)=FP1(L)-0.5*G*SPB(L)*
& ( SUB(L+1)*PMCTESTX(2,L+1)-SUB(L)*PMCTESTX(2,L)
& +TVAR3N(L)-SVB(L)*PMCTESTY(2,L)
& -2.0*QSUME(L) )
ENDDO
C
IF(ISGWIE.GE.1)THEN
DO L=2,LA
PMCTESTX(3,L)=PMCTESTX(3,L)-G*SPB(L)*(RIFTR(L)+EVAPSW(L))
ENDDO
ENDIF
C
CCMNM=1.E+18
DO L=2,LA
IF(SPB(L).GT.0.)THEN
C1=-0.5*DELTD2*G*SPB(L)
CS(L)=C1*SVB(L )*HRVO(L )*RCY(L )*HVTMP(L )
CW(L)=C1*SUB(L )*HRUO(L )*RCX(L )*HUTMP(L )
CE(L)=C1*SUB(L+1)*HRUO(L+1)*RCX(L+1)*HUTMP(L+1)
ENDIF
ENDDO
DO L=2,LA
IF(SPB(L).GT.0.)THEN
LN=LNC(L)
C1=-0.5*DELTD2*G*SPB(L)
CN(L)=C1*SVB(LN )*HRVO(LN )*RCY(LN )*HVTMP(LN )
ENDIF
ENDDO
DO L=2,LA
IF(SPB(L).GT.0.)THEN
CC(L)=SPB(L)*(DELTI*DXYP(L)-CS(L)-CW(L)-CE(L)-CN(L))
ENDIF
ENDDO
DO L=2,LA
CCMNM=MIN(CCMNM,CC(L))
FPTMP(L)=PMCTESTX(3,L)
ENDDO
CCMNMI=1./CCMNM
C
DO LL=1,NPBW
IF(ISPBW(LL).EQ.0)THEN
L=LPBW(LL)
CW(L+1)=0.
ENDIF
ENDDO
C
DO LL=1,NPBE
IF(ISPBE(LL).EQ.0)THEN
L=LPBE(LL)
CE(L-1)=0.
ENDIF
ENDDO
C
DO LL=1,NPBS
IF(ISPBS(LL).EQ.0)THEN
L=LPBS(LL)
LN=LNC(L)
CS(LN)=0.
ENDIF
ENDDO
C
DO LL=1,NPBN
IF(ISPBN(LL).EQ.0)THEN
L=LPBN(LL)
LS=LSC(L)
CN(LS)=0.
ENDIF
ENDDO
C
CC(1)=1.
CC(LC)=1.
C
C ** SCALE BY MINIMUM DIAGONAL
C
IF(IRVEC.EQ.9.OR.IRVEC.EQ.9999)THEN
C
DO L=2,LA
CCS(L)=CS(L)*CCMNMI
CCW(L)=CW(L)*CCMNMI
CCE(L)=CE(L)*CCMNMI
CCN(L)=CN(L)*CCMNMI
CCC(L)=CC(L)*CCMNMI
FPTMP(L)=FPTMP(L)*CCMNMI
CCCI(L)=1./CCC(L)
ENDDO
C
ENDIF
C
C *** SAVE FOR TESTING PMC
DO L=2,LA
CCS1(L)=CCS(L)
CCW1(L)=CCW(L)
CCE1(L)=CCE(L)
CCN1(L)=CCN(L)
CCC1(L)=CCC(L)
ENDDO
C ** IRVEC = 9999 CALLS A NEW RED-BLACK ORDERED SOR
C SCHEME WHICH USING CHEBYCHEV ACCELERATION. THIS
C WORKS AND WAS IMPLEMENT FOR TESTING ONLY. SHOULD NOT
C BE USED FOR APPLICATIONS INVOVLING NS CELL MAPPINGS
C
DO L=2,LA
TVAR3S(L)=P(L)
ENDDO
IF(ISAVEC.EQ.0) THEN
IF(IRVEC.EQ.9) CALL CONGRAD (ISTL)
IF(IRVEC.EQ.9999) CALL RELAX2T
END IF
DO L=2,LA
PMCTESTY(3,L)=P(L)
P(L)=TVAR3S(L)
ENDDO
C
C**********************************************************************C
C
C ** CALCULATE UHEX AND VHEX AND TOTAL DEPTHS AT TIME LEVEL (N+1)
C ** HRU=SUB*DYU/DXU & HRV=SVB*DXV/DYV
C
C----------------------------------------------------------------------C
C
DO L=2,LA
TVAR3S(L)=PMCTESTY(3,LSC(L))
ENDDO
DO L=2,LA
!UHDYE(L)=SUB(L)*(FUHDYE(L)-DELTD2*HRUO(L)*RCX(L)*HUTMP(L)*(P(L)-P(L-1)) )
PMCTESTX(4,L)=SUB(L)*( PMCTESTX(2,L) -
& DELTD2*HRUO(L)*RCX(L)*HUTMP(L)*(PMCTESTY(3,L)-PMCTESTY(3,L-1)))
!VHDXE(L)=SVB(L)*(FVHDXE(L)-DELTD2*HRVO(L)*RCY(L)*HVTMP(L)*(P(L)-TVAR3S(L)) )
PMCTESTY(4,L)=SVB(L)*( PMCTESTY(2,L) -
& DELTD2*HRVO(L)*RCY(L)*HVTMP(L)*(PMCTESTY(3,L)-TVAR3S(L)) )
ENDDO
C NA DO L=2,LA
C NA UHE(L)=UHDYE(L)*DYIU(L)
C NA VHE(L)=VHDXE(L)*DXIV(L)
C NA ENDDO
C
C**********************************************************************C
C
C ** CALCULATE REVISED CELL DEPTHS BASED ON NEW HORIZONTAL
C ** TRANSPORTS AT (N+1)
C
C----------------------------------------------------------------------C
C
DO L=2,LA
LN=LNC(L)
!TVAR3N(L)=VHDXE(LN)+VHDX1E(LN)
TVAR3N(L)=PMCTESTY(4,LN)+PMCTESTY(6,LN)
ENDDO
DO L=2,LA
!TVAR3C(L)=H1P(L)+DELT*DXYIP(L)*(QSUME(L)
! -0.5*(UHDYE(L+1)+UHDY1E(L+1)-UHDYE(L)-UHDY1E(L)
! +TVAR3N(L)-VHDXE(L)-VHDX1E(L)))
if(.false.)then
TVAR3C(L)=PMCTESTX(7,L)+DELT*DXYIP(L)*(QSUME(L)
& -0.5*(PMCTESTX(4,L+1)+PMCTESTX(6,L+1)
& -PMCTESTX(4,L )-PMCTESTX(6,L )
& +TVAR3N(L)-PMCTESTY(4,L)-PMCTESTY(6,L)))
else
LN=LNC(L)
PMCTESTX(5,L)=PMCTESTX(7,L)+DELT*DXYIP(L)*(QSUME(L)
& -0.5*(PMCTESTX(4,L+1)+PMCTESTX(6,L+1)
& -PMCTESTX(4,L )-PMCTESTX(6,L )
& +PMCTESTY(4,LN )+PMCTESTY(6,LN )
& -PMCTESTY(4,L )-PMCTESTY(6,L )))
endif
ENDDO
IF(ISGWIE.GE.1)THEN
DO L=2,LA
TVAR3C(L)=TVAR3C(L)-DELT*DXYIP(L)*(RIFTR(L)+EVAPSW(L))
ENDDO
ENDIF
DO L=2,LA
!HP(L)=SPB(L)*TVAR3C(L)+(1.-SPB(L))*(GI*P(L)-BELV(L))
if(.false.)then
PMCTESTX(5,L)=SPB(L)*TVAR3C(L)+
& (1.-SPB(L))*(GI*PMCTESTY(3,L)-BELV(L))
endif
ENDDO
C
C**********************************************************************C
C
C ** PERFORM FINAL UPDATES OF P,HU, AND HV
C
DO L=2,LA
!P(L)=G*(HP(L)+BELV(L))
PMCTESTY(3,L)=G*(PMCTESTX(5,L)+BELV(L))
ENDDO
C
C**********************************************************************C
C
C ** PERFORM UPDATE ON GROUNDWATER ELEVATION
C
C----------------------------------------------------------------------C
C
IF(ISGWIE.GE.1)THEN
ENDIF
RETURN
C
C**********************************************************************C
C
ENTRY NOW_CHECK
! *** NOW CHECK IF PARAMTERS ARE CLOSE
EPSILON=1.E-7
DO L=2,LA
IF(ABS(FPGXE(L)-PMCTESTX(1,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(FPGYE(L)-PMCTESTY(1,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(FUHDYE(L)-PMCTESTX(2,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(FVHDXE(L)-PMCTESTY(2,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(CCS1(L)-CCS(L)).GT.EPSILON)THEN
IPMC=0
ENDIF
IF(ABS(CCW1(L)-CCW(L)).GT.EPSILON)THEN
IPMC=0
ENDIF
IF(ABS(CCE1(L)-CCE(L)).GT.EPSILON)THEN
IPMC=0
ENDIF
IF(ABS(CCN1(L)-CCN(L)).GT.EPSILON)THEN
IPMC=0
ENDIF
IF(ABS(CCC1(L)-CCC(L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(FP(L)-PMCTESTX(3,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(P(L)-PMCTESTY(3,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(UHDYE(L)-PMCTESTX(4,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(VHDXE(L)-PMCTESTY(4,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
C
IF(ABS(HP(L)-PMCTESTX(5,L)).GT.EPSILON)THEN
IPMC=0
ENDIF
ENDDO
RETURN
END