c Copyright (C) Stichting Deltares, 2005-2024.
c
c This file is part of iMOD.
c
c This program is free software: you can redistribute it and/or modify
c it under the terms of the GNU General Public License as published by
c the Free Software Foundation, either version 3 of the License, or
c (at your option) any later version.
c
c This program is distributed in the hope that it will be useful,
c but WITHOUT ANY WARRANTY; without even the implied warranty of
c MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
c GNU General Public License for more details.
c
c You should have received a copy of the GNU General Public License
c along with this program. If not, see .
c
c Contact: imod.support@deltares.nl
c Stichting Deltares
c P.O. Box 177
c 2600 MH Delft, The Netherlands.
c
c iMod is partly based on the USGS MODFLOW2005 source code;
c for iMOD the USGS MODFLOW2005 source code has been expanded
c and extensively modified by Stichting Deltares.
c The original USGS MODFLOW2005 source code can be downloaded from the USGS
c website http://www.usgs.gov/. The original MODFLOW2005 code incorporated
c in this file is covered by the USGS Software User Rights Notice;
c you should have received a copy of this notice along with this program.
c If not, see .
SUBROUTINE VDF2WEL7FM(IGRID)
C ******************************************************************
C SUBTRACT Q FROM RHS
C--SEAWAT: MODIFIED FOR VARIABLE DENSITY FLOW
C ******************************************************************
C
C SPECIFICATIONS:
C ------------------------------------------------------------------
USE GLOBAL, ONLY:IBOUND,RHS,HCOF
USE GWFWELMODULE, ONLY:NWELLS,WELL
USE VDFMODULE, ONLY:DENSEREF,PS
C--SEAWAT: DIMENSION ADDITIONAL ARRAYS
CHARACTER*16 WELAUX
COMMON /WELCOM/WELAUX(5)
C ------------------------------------------------------------------
CALL SGWF2WEL7PNT(IGRID)
C
C1------IF NUMBER OF WELLS <= 0 THEN RETURN.
IF(NWELLS.LE.0) RETURN
C
C--SEAWAT: FIND AUX VARIABLE WELDENS IF EXISTS
LOCWELDENS=0
DO I=1,5
IF(WELAUX(I).EQ.'WELDENS') LOCWELDENS=I+4
ENDDO
C
C2------PROCESS EACH WELL IN THE WELL LIST.
DO 100 L=1,NWELLS
IR=WELL(2,L)
IC=WELL(3,L)
IL=WELL(1,L)
Q=WELL(4,L)
C--SEAWAT: MODIFY TO CONSERVE MASS
IF(Q.LE.0) DENSE=PS(IC,IR,IL)
IF(Q.GT.0) THEN
DENSE=DENSEREF
IF(LOCWELDENS.GT.0) DENSE=WELL(LOCWELDENS,L)
ENDIF
C
C2A-----IF THE CELL IS INACTIVE THEN BYPASS PROCESSING.
IF(IBOUND(IC,IR,IL).LE.0) GO TO 100
C
C2B-----IF THE CELL IS VARIABLE HEAD THEN SUBTRACT Q FROM THE RHS
C ACCUMULATOR.
C--SEAWAT: MULTIPLY Q BY DENSE TO CONSERVE MASS
C RHS(IC,IR,IL)=RHS(IC,IR,IL)-Q
RHS(IC,IR,IL)=RHS(IC,IR,IL)-DENSE*Q
100 CONTINUE
C
C3------RETURN
RETURN
END
SUBROUTINE VDF2WEL7BD(KSTP,KPER,IGRID)
C ******************************************************************
C CALCULATE VOLUMETRIC BUDGET FOR WELLS
C--SEAWAT: MODIFIED TO WORK FOR VARIABLE-DENSITY FLOW
C ******************************************************************
C
C SPECIFICATIONS:
C ------------------------------------------------------------------
USE GLOBAL, ONLY:IOUT,NCOL,NROW,NLAY,IBOUND,BUFF
USE GWFBASMODULE,ONLY:MSUM,ICBCFL,IAUXSV,DELT,PERTIM,TOTIM,
1 VBVL,VBNM
USE GWFWELMODULE,ONLY:NWELLS,IWELCB,WELL,NWELVL,WELAUX
USE VDFMODULE, ONLY: DENSEREF,PS
C
CHARACTER*16 TEXT
DOUBLE PRECISION RATIN,RATOUT,QQ
DATA TEXT /' WELLS'/
C ------------------------------------------------------------------
CALL SGWF2WEL7PNT(IGRID)
C
C1------CLEAR RATIN AND RATOUT ACCUMULATORS, AND SET CELL-BY-CELL
C1------BUDGET FLAG.
ZERO=0.
RATIN=ZERO
RATOUT=ZERO
IBD=0
IF(IWELCB.LT.0 .AND. ICBCFL.NE.0) IBD=-1
IF(IWELCB.GT.0) IBD=ICBCFL
IBDLBL=0
C
C2-----IF CELL-BY-CELL FLOWS WILL BE SAVED AS A LIST, WRITE HEADER.
IF(IBD.EQ.2) THEN
NAUX=NWELVL-5
IF(IAUXSV.EQ.0) NAUX=0
CALL UBDSV4(KSTP,KPER,TEXT,NAUX,WELAUX,IWELCB,NCOL,NROW,NLAY,
1 NWELLS,IOUT,DELT,PERTIM,TOTIM,IBOUND)
END IF
C
C3------CLEAR THE BUFFER.
DO 50 IL=1,NLAY
DO 50 IR=1,NROW
DO 50 IC=1,NCOL
BUFF(IC,IR,IL)=ZERO
50 CONTINUE
C
C4------IF THERE ARE NO WELLS, DO NOT ACCUMULATE FLOW.
IF(NWELLS.EQ.0) GO TO 200
C
C--SEAWAT: FIND AUX VARIABLE WELDENS IF EXISTS
LOCWELDENS=0
DO I=1,5
IF(WELAUX(I).EQ.'WELDENS') LOCWELDENS=I+4
ENDDO
C
C5------LOOP THROUGH EACH WELL CALCULATING FLOW.
DO 100 L=1,NWELLS
C
C5A-----GET LAYER, ROW & COLUMN OF CELL CONTAINING WELL.
IR=WELL(2,L)
IC=WELL(3,L)
IL=WELL(1,L)
Q=ZERO
C
C5B-----IF THE CELL IS NO-FLOW OR CONSTANT_HEAD, IGNORE IT.
IF(IBOUND(IC,IR,IL).LE.0)GO TO 99
C
C5C-----GET FLOW RATE FROM WELL LIST.
Q=WELL(4,L)
IF(Q.LE.0) DENSE=PS(IC,IR,IL)
IF(Q.GT.0) THEN
DENSE=DENSEREF
IF(LOCWELDENS.GT.0) DENSE=WELL(LOCWELDENS,L)
ENDIF
QQ=Q*DENSE
C
C5D-----PRINT FLOW RATE IF REQUESTED.
IF(IBD.LT.0) THEN
IF(IBDLBL.EQ.0) WRITE(IOUT,61) TEXT,KPER,KSTP
61 FORMAT(1X,/1X,A,' PERIOD ',I4,' STEP ',I3)
WRITE(IOUT,62) L,IL,IR,IC,Q/DENSE
62 FORMAT(1X,'WELL ',I6,' LAYER ',I3,' ROW ',I5,' COL ',I5,
1 ' RATE ',1PG15.6)
IBDLBL=1
END IF
C
C5E-----ADD FLOW RATE TO BUFFER.
BUFF(IC,IR,IL)=BUFF(IC,IR,IL)+Q
C
C5F-----SEE IF FLOW IS POSITIVE OR NEGATIVE.
IF(Q.GE.ZERO) THEN
C
C5G-----FLOW RATE IS POSITIVE (RECHARGE). ADD IT TO RATIN.
RATIN=RATIN+QQ
ELSE
C
C5H-----FLOW RATE IS NEGATIVE (DISCHARGE). ADD IT TO RATOUT.
RATOUT=RATOUT-QQ
END IF
C
C5I-----IF SAVING CELL-BY-CELL FLOWS IN A LIST, WRITE FLOW. ALSO
C5I-----COPY FLOW TO WELL LIST.
99 IF(IBD.EQ.2) CALL UBDSVB(IWELCB,NCOL,NROW,IC,IR,IL,Q,
1 WELL(:,L),NWELVL,NAUX,5,IBOUND,NLAY)
WELL(NWELVL,L)=Q
100 CONTINUE
C
C6------IF CELL-BY-CELL FLOWS WILL BE SAVED AS A 3-D ARRAY,
C6------CALL UBUDSV TO SAVE THEM.
IF(IBD.EQ.1) CALL UBUDSV(KSTP,KPER,TEXT,IWELCB,BUFF,NCOL,NROW,
1 NLAY,IOUT)
C
C7------MOVE RATES, VOLUMES & LABELS INTO ARRAYS FOR PRINTING.
200 RIN=RATIN
ROUT=RATOUT
VBVL(3,MSUM)=RIN
VBVL(4,MSUM)=ROUT
VBVL(1,MSUM)=VBVL(1,MSUM)+RIN*DELT
VBVL(2,MSUM)=VBVL(2,MSUM)+ROUT*DELT
VBNM(MSUM)=TEXT
C
C8------INCREMENT BUDGET TERM COUNTER(MSUM).
MSUM=MSUM+1
C
C9------RETURN
RETURN
END
SUBROUTINE VDF2WEL7DA(IGRID)
C Deallocate WEL MEMORY
USE GWFWELMODULE
C
CALL SGWF2WEL7PNT(IGRID)
deallocate(iwelsubsys) ! wsubsys
DEALLOCATE(NWELLS)
DEALLOCATE(MXWELL)
DEALLOCATE(NWELVL)
DEALLOCATE(IWELCB)
DEALLOCATE(IPRWEL)
DEALLOCATE(NPWEL)
DEALLOCATE(IWELPB)
DEALLOCATE(NNPWEL)
DEALLOCATE(WELAUX)
DEALLOCATE(WELL)
C
RETURN
END
SUBROUTINE SVDF2WEL7PNT(IGRID)
C Change WEL data to a different grid.
USE GWFWELMODULE
C
iwelsubsys=>gwfweldat(igrid)%iwelsubsys ! wsubsys
NWELLS=>GWFWELDAT(IGRID)%NWELLS
MXWELL=>GWFWELDAT(IGRID)%MXWELL
NWELVL=>GWFWELDAT(IGRID)%NWELVL
IWELCB=>GWFWELDAT(IGRID)%IWELCB
IPRWEL=>GWFWELDAT(IGRID)%IPRWEL
NPWEL=>GWFWELDAT(IGRID)%NPWEL
IWELPB=>GWFWELDAT(IGRID)%IWELPB
NNPWEL=>GWFWELDAT(IGRID)%NNPWEL
WELAUX=>GWFWELDAT(IGRID)%WELAUX
WELL=>GWFWELDAT(IGRID)%WELL
C
RETURN
END
SUBROUTINE SVDF2WEL7PSV(IGRID)
C Save WEL data for a grid.
USE GWFWELMODULE
C
gwfweldat(igrid)%iwelsubsys=>iwelsubsys ! wsubsys
GWFWELDAT(IGRID)%NWELLS=>NWELLS
GWFWELDAT(IGRID)%MXWELL=>MXWELL
GWFWELDAT(IGRID)%NWELVL=>NWELVL
GWFWELDAT(IGRID)%IWELCB=>IWELCB
GWFWELDAT(IGRID)%IPRWEL=>IPRWEL
GWFWELDAT(IGRID)%NPWEL=>NPWEL
GWFWELDAT(IGRID)%IWELPB=>IWELPB
GWFWELDAT(IGRID)%NNPWEL=>NNPWEL
GWFWELDAT(IGRID)%WELAUX=>WELAUX
GWFWELDAT(IGRID)%WELL=>WELL
C
RETURN
END