gwfmodule Module Reference

Data Types
type	gwfmodeltype

Functions/Subroutines
subroutine, public	gwf_cr (filename, id, modelname)
	Create a new groundwater flow model object. More...
subroutine	gwf_df (this)
	Define packages of the model. More...
subroutine	gwf_ac (this, sparse)
	Add the internal connections of this model to the sparse matrix. More...
subroutine	gwf_mc (this, matrix_sln)
	Map the positions of this models connections in the numerical solution coefficient matrix. More...
subroutine	gwf_ar (this)
	GroundWater Flow Model Allocate and Read. More...
subroutine	gwf_rp (this)
	GroundWater Flow Model Read and Prepare. More...
subroutine	gwf_ad (this)
	GroundWater Flow Model Time Step Advance. More...
subroutine	gwf_cf (this, kiter)
	GroundWater Flow Model calculate coefficients. More...
subroutine	gwf_fc (this, kiter, matrix_sln, inwtflag)
	GroundWater Flow Model fill coefficients. More...
subroutine	gwf_cc (this, innertot, kiter, iend, icnvgmod, cpak, ipak, dpak)
	GroundWater Flow Model Final Convergence Check for Boundary Packages. More...
subroutine	gwf_ptcchk (this, iptc)
	check if pseudo-transient continuation factor should be used More...
subroutine	gwf_ptc (this, vec_residual, iptc, ptcf)
	calculate maximum pseudo-transient continuation factor More...
subroutine	gwf_nur (this, neqmod, x, xtemp, dx, inewtonur, dxmax, locmax)
	under-relaxation More...
subroutine	gwf_cq (this, icnvg, isuppress_output)
	Groundwater flow model calculate flow. More...
subroutine	gwf_bd (this, icnvg, isuppress_output)
	GroundWater Flow Model Budget. More...
subroutine	gwf_ot (this)
	GroundWater Flow Model Output. More...
subroutine	gwf_ot_obs (this)
	GroundWater Flow Model output observations. More...
subroutine	gwf_ot_flow (this, icbcfl, ibudfl, icbcun)
	Groundwater Flow Model output flows. More...
subroutine	gwf_ot_dv (this, idvsave, idvprint, ipflag)
	Groundwater Flow Model output dependent variable. More...
subroutine	gwf_ot_bdsummary (this, ibudfl, ipflag)
	Groundwater Flow Model output budget summary. More...
subroutine	gwf_fp (this)
	Final processing. More...
subroutine	gwf_da (this)
	Deallocate. More...
subroutine	gwf_bdentry (this, budterm, budtxt, rowlabel)
	GroundWater Flow Model Budget Entry. More...
integer(i4b) function	gwf_get_iasym (this)
	return 1 if any package causes the matrix to be asymmetric. Otherwise return 0. More...
subroutine	allocate_scalars (this, modelname)
	Allocate memory for non-allocatable members. More...
subroutine	package_create (this, filtyp, ipakid, ipaknum, pakname, mempath, inunit, iout)
	Create boundary condition packages for this model. More...
subroutine	ftype_check (this, indis)
	Check to make sure required input files have been specified. More...
class(gwfmodeltype) function, pointer, public	castasgwfmodel (model)
	Cast to GWF model. More...
subroutine	create_bndpkgs (this, bndpkgs, pkgtypes, pkgnames, mempaths, inunits)
	Source package info and begin to process. More...
subroutine	create_packages (this)
	Source package info and begin to process. More...
subroutine	log_namfile_options (this, found)
	Write model namfile options to list file. More...
subroutine	steady_period_check (this)
	Check for steady state period. More...

Variables
integer(i4b), parameter, public	gwf_nbasepkg = 50
	GWF base package array descriptors. More...
character(len=lenpackagetype), dimension(gwf_nbasepkg), public	gwf_basepkg
integer(i4b), parameter, public	gwf_nmultipkg = 50
	GWF multi package array descriptors. More...
character(len=lenpackagetype), dimension(gwf_nmultipkg), public	gwf_multipkg
integer(i4b), parameter	niunit_gwf = GWF_NBASEPKG + GWF_NMULTIPKG

Function/Subroutine Documentation

allocate_scalars()

subroutine gwfmodule::allocate_scalars ( class(gwfmodeltype)  this, character(len=*), intent(in)  modelname  )

private

Definition at line 1167 of file gwf.f90.

    ! -- modules
    use memorymanagermodule, only: mem_allocate
    ! -- dummy
    class(GwfModelType) :: this
    character(len=*), intent(in) :: modelname
    !
    ! -- allocate members from parent class
    call this%NumericalModelType%allocate_scalars(modelname)
    !
    ! -- allocate members that are part of model class
    call mem_allocate(this%inic, 'INIC', this%memoryPath)
    call mem_allocate(this%inoc, 'INOC', this%memoryPath)
    call mem_allocate(this%innpf, 'INNPF', this%memoryPath)
    call mem_allocate(this%inbuy, 'INBUY', this%memoryPath)
    call mem_allocate(this%invsc, 'INVSC', this%memoryPath)
    call mem_allocate(this%insto, 'INSTO', this%memoryPath)
    call mem_allocate(this%incsub, 'INCSUB', this%memoryPath)
    call mem_allocate(this%inmvr, 'INMVR', this%memoryPath)
    call mem_allocate(this%inhfb, 'INHFB', this%memoryPath)
    call mem_allocate(this%ingnc, 'INGNC', this%memoryPath)
    call mem_allocate(this%inobs, 'INOBS', this%memoryPath)
    call mem_allocate(this%iss, 'ISS', this%memoryPath)
    call mem_allocate(this%inewtonur, 'INEWTONUR', this%memoryPath)
    !
    this%inic = 0
    this%inoc = 0
    this%innpf = 0
    this%inbuy = 0
    this%invsc = 0
    this%insto = 0
    this%incsub = 0
    this%inmvr = 0
    this%inhfb = 0
    this%ingnc = 0
    this%inobs = 0
    this%iss = 1 !default is steady-state (i.e., no STO package)
    this%inewtonur = 0 !default is to not use newton bottom head dampening

castasgwfmodel()

class(gwfmodeltype) function, pointer, public gwfmodule::castasgwfmodel

(

class(*), intent(inout), pointer

model

)

Definition at line 1333 of file gwf.f90.

    implicit none
    class(*), pointer, intent(inout) :: model
    class(GwfModelType), pointer :: gwfModel
 
    gwfmodel => null()
    if (.not. associated(model)) return
    select type (model)
    class is (gwfmodeltype)
      gwfmodel => model
    end select

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create_bndpkgs()

subroutine gwfmodule::create_bndpkgs ( class(gwfmodeltype)  this, integer(i4b), dimension(:), intent(inout), allocatable  bndpkgs, type(characterstringtype), dimension(:), intent(inout), pointer, contiguous  pkgtypes, type(characterstringtype), dimension(:), intent(inout), pointer, contiguous  pkgnames, type(characterstringtype), dimension(:), intent(inout), pointer, contiguous  mempaths, integer(i4b), dimension(:), intent(inout), pointer, contiguous  inunits  )

private

Definition at line 1348 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: linelength, lenpackagename
    use characterstringmodule, only: characterstringtype
    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), dimension(:), allocatable, intent(inout) :: bndpkgs
    type(CharacterStringType), dimension(:), contiguous, &
      pointer, intent(inout) :: pkgtypes
    type(CharacterStringType), dimension(:), contiguous, &
      pointer, intent(inout) :: pkgnames
    type(CharacterStringType), dimension(:), contiguous, &
      pointer, intent(inout) :: mempaths
    integer(I4B), dimension(:), contiguous, &
      pointer, intent(inout) :: inunits
    ! -- local
    integer(I4B) :: ipakid, ipaknum
    character(len=LENFTYPE) :: pkgtype, bndptype
    character(len=LENPACKAGENAME) :: pkgname
    character(len=LENMEMPATH) :: mempath
    integer(I4B), pointer :: inunit
    integer(I4B) :: n
 
    if (allocated(bndpkgs)) then
      !
      ! -- create stress packages
      ipakid = 1
      bndptype = ''
      do n = 1, size(bndpkgs)
        !
        pkgtype = pkgtypes(bndpkgs(n))
        pkgname = pkgnames(bndpkgs(n))
        mempath = mempaths(bndpkgs(n))
        inunit => inunits(bndpkgs(n))
        !
        if (bndptype /= pkgtype) then
          ipaknum = 1
          bndptype = pkgtype
        end if
        !
        call this%package_create(pkgtype, ipakid, ipaknum, pkgname, mempath, &
                                 inunit, this%iout)
        ipakid = ipakid + 1
        ipaknum = ipaknum + 1
      end do
      !
      ! -- cleanup
      deallocate (bndpkgs)
    end if

create_packages()

subroutine gwfmodule::create_packages

(

class(gwfmodeltype)

this

)

Definition at line 1402 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: linelength, lenpackagename
    use characterstringmodule, only: characterstringtype
    use arrayhandlersmodule, only: expandarray
    use memorymanagermodule, only: mem_setptr
    use memoryhelpermodule, only: create_mem_path
    use simvariablesmodule, only: idm_context
    use dismodule, only: dis_cr
    use disvmodule, only: disv_cr
    use disumodule, only: disu_cr
    use gwfnpfmodule, only: npf_cr
    use xt3dmodule, only: xt3d_cr
    use gwfbuymodule, only: buy_cr
    use gwfvscmodule, only: vsc_cr
    use gwfstomodule, only: sto_cr
    use gwfcsubmodule, only: csub_cr
    use gwfmvrmodule, only: mvr_cr
    use gwfhfbmodule, only: hfb_cr
    use gwficmodule, only: ic_cr
    use gwfocmodule, only: oc_cr
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    type(CharacterStringType), dimension(:), contiguous, &
      pointer :: pkgtypes => null()
    type(CharacterStringType), dimension(:), contiguous, &
      pointer :: pkgnames => null()
    type(CharacterStringType), dimension(:), contiguous, &
      pointer :: mempaths => null()
    integer(I4B), dimension(:), contiguous, &
      pointer :: inunits => null()
    character(len=LENMEMPATH) :: model_mempath
    character(len=LENFTYPE) :: pkgtype
    character(len=LENPACKAGENAME) :: pkgname
    character(len=LENMEMPATH) :: mempath
    integer(I4B), pointer :: inunit
    integer(I4B), dimension(:), allocatable :: bndpkgs
    integer(I4B) :: n
    integer(I4B) :: indis = 0 ! DIS enabled flag
    character(len=LENMEMPATH) :: mempathbuy = ''
    character(len=LENMEMPATH) :: mempathcsub = ''
    character(len=LENMEMPATH) :: mempathhfb = ''
    character(len=LENMEMPATH) :: mempathic = ''
    character(len=LENMEMPATH) :: mempathnpf = ''
    character(len=LENMEMPATH) :: mempathoc = ''
    character(len=LENMEMPATH) :: mempathsto = ''
    character(len=LENMEMPATH) :: mempathvsc = ''
    !
    ! -- set input model memory path
    model_mempath = create_mem_path(component=this%name, context=idm_context)
    !
    ! -- set pointers to model path package info
    call mem_setptr(pkgtypes, 'PKGTYPES', model_mempath)
    call mem_setptr(pkgnames, 'PKGNAMES', model_mempath)
    call mem_setptr(mempaths, 'MEMPATHS', model_mempath)
    call mem_setptr(inunits, 'INUNITS', model_mempath)
    !
    do n = 1, size(pkgtypes)
      !
      ! attributes for this input package
      pkgtype = pkgtypes(n)
      pkgname = pkgnames(n)
      mempath = mempaths(n)
      inunit => inunits(n)
      !
      ! -- create dis package as it is a prerequisite for other packages
      select case (pkgtype)
      case ('DIS6')
        indis = 1
        call dis_cr(this%dis, this%name, mempath, indis, this%iout)
      case ('DISV6')
        indis = 1
        call disv_cr(this%dis, this%name, mempath, indis, this%iout)
      case ('DISU6')
        indis = 1
        call disu_cr(this%dis, this%name, mempath, indis, this%iout)
      case ('NPF6')
        this%innpf = 1
        mempathnpf = mempath
      case ('BUY6')
        this%inbuy = 1
        mempathbuy = mempath
      case ('VSC6')
        this%invsc = 1
        mempathvsc = mempath
      case ('GNC6')
        this%ingnc = inunit
      case ('HFB6')
        this%inhfb = 1
        mempathhfb = mempath
      case ('STO6')
        this%insto = 1
        mempathsto = mempath
      case ('CSUB6')
        this%incsub = 1
        mempathcsub = mempath
      case ('IC6')
        this%inic = 1
        mempathic = mempath
      case ('MVR6')
        this%inmvr = inunit
      case ('OC6')
        this%inoc = 1
        mempathoc = mempath
      case ('OBS6')
        this%inobs = inunit
      case ('WEL6', 'DRN6', 'RIV6', 'GHB6', 'RCH6', &
            'EVT6', 'API6', 'CHD6', 'MAW6', 'SFR6', &
            'LAK6', 'UZF6')
        call expandarray(bndpkgs)
        bndpkgs(size(bndpkgs)) = n
      case default
        ! TODO
      end select
    end do
    !
    ! -- Create packages that are tied directly to model
    call npf_cr(this%npf, this%name, mempathnpf, this%innpf, this%iout)
    call xt3d_cr(this%xt3d, this%name, this%innpf, this%iout)
    call buy_cr(this%buy, this%name, mempathbuy, this%inbuy, this%iout)
    call vsc_cr(this%vsc, this%name, mempathvsc, this%invsc, this%iout)
    call gnc_cr(this%gnc, this%name, this%ingnc, this%iout)
    call hfb_cr(this%hfb, this%name, mempathhfb, this%inhfb, this%iout)
    call sto_cr(this%sto, this%name, mempathsto, this%insto, this%iout)
    call csub_cr(this%csub, this%name, mempathcsub, this%insto, &
                 this%sto%packName, this%incsub, this%iout)
    call ic_cr(this%ic, this%name, mempathic, this%inic, this%iout, this%dis)
    call mvr_cr(this%mvr, this%name, this%inmvr, this%iout, this%dis)
    call oc_cr(this%oc, this%name, mempathoc, this%inoc, this%iout)
    call gwf_obs_cr(this%obs, this%inobs)
    !
    ! -- Check to make sure that required ftype's have been specified
    call this%ftype_check(indis)
    !
    call this%create_bndpkgs(bndpkgs, pkgtypes, pkgnames, mempaths, inunits)

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ftype_check()

subroutine gwfmodule::ftype_check	(	class(gwfmodeltype)	this,
		integer(i4b), intent(in)	indis
	)

Definition at line 1298 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: linelength
    use simmodule, only: store_error, count_errors
    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: indis
    ! -- local
    !
    ! -- Check for IC8, DIS(u), and NPF. Stop if not present.
    if (this%inic == 0) then
      write (errmsg, '(a)') &
        'Initial Conditions (IC6) package not specified.'
      call store_error(errmsg)
    end if
    if (indis == 0) then
      write (errmsg, '(a)') &
        'Discretization (DIS6, DISV6, or DISU6) Package not specified.'
      call store_error(errmsg)
    end if
    if (this%innpf == 0) then
      write (errmsg, '(a)') &
        'Node Property Flow (NPF6) Package not specified.'
      call store_error(errmsg)
    end if
    !
    if (count_errors() > 0) then
      write (errmsg, '(a)') 'One or more required package(s) not specified.'
      call store_error(errmsg)
      call store_error_filename(this%filename)
    end if

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gwf_ac()

subroutine gwfmodule::gwf_ac ( class(gwfmodeltype)  this, type(sparsematrix), intent(inout)  sparse  )

private

Definition at line 255 of file gwf.f90.

    ! -- modules
    use sparsemodule, only: sparsematrix
    ! -- dummy
    class(GwfModelType) :: this
    type(sparsematrix), intent(inout) :: sparse
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- Add the primary grid connections of this model to sparse
    call this%dis%dis_ac(this%moffset, sparse)
    !
    ! -- Add any additional connections that NPF may need
    if (this%innpf > 0) call this%npf%npf_ac(this%moffset, sparse)
    !
    ! -- Add any package connections
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ac(this%moffset, sparse)
    end do
    !
    ! -- If GNC is active, then add the gnc connections to sparse
    if (this%ingnc > 0) call this%gnc%gnc_ac(sparse)

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gwf_ad()

subroutine gwfmodule::gwf_ad

(

class(gwfmodeltype)

this

)

(1) calls package advance subroutines

Definition at line 397 of file gwf.f90.

    ! -- modules
    use simvariablesmodule, only: isimcheck, ifailedstepretry
    ! -- dummy
    class(GwfModelType) :: this
    class(BndType), pointer :: packobj
    ! -- local
    integer(I4B) :: irestore
    integer(I4B) :: ip, n
    !
    ! -- Reset state variable
    irestore = 0
    if (ifailedstepretry > 0) irestore = 1
    if (irestore == 0) then
      !
      ! -- copy x into xold
      do n = 1, this%dis%nodes
        this%xold(n) = this%x(n)
      end do
    else
      !
      ! -- copy xold into x if this time step is a redo
      do n = 1, this%dis%nodes
        this%x(n) = this%xold(n)
      end do
    end if
    !
    ! -- Advance
    if (this%invsc > 0) call this%vsc%vsc_ad()
    if (this%innpf > 0) call this%npf%npf_ad(this%dis%nodes, this%xold, &
                                             this%x, irestore)
    if (this%insto > 0) call this%sto%sto_ad()
    if (this%incsub > 0) call this%csub%csub_ad(this%dis%nodes, this%x)
    if (this%inbuy > 0) call this%buy%buy_ad()
    if (this%inmvr > 0) call this%mvr%mvr_ad()
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ad()
      if (this%invsc > 0) call this%vsc%vsc_ad_bnd(packobj, this%x)
      if (isimcheck > 0) then
        call packobj%bnd_ck()
      end if
    end do
    !
    ! -- Push simulated values to preceding time/subtime step
    call this%obs%obs_ad()

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gwf_ar()

subroutine gwfmodule::gwf_ar ( class(gwfmodeltype)  this )

private

(1) allocates and reads packages part of this model, (2) allocates memory for arrays part of this model object

Definition at line 316 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    ! -- locals
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Allocate and read modules attached to model
    if (this%inic > 0) call this%ic%ic_ar(this%x)
    if (this%innpf > 0) call this%npf%npf_ar(this%ic, this%vsc, this%ibound, &
                                             this%x)
    if (this%invsc > 0) call this%vsc%vsc_ar(this%ibound)
    if (this%inbuy > 0) call this%buy%buy_ar(this%npf, this%ibound)
    if (this%inhfb > 0) call this%hfb%hfb_ar(this%ibound, this%xt3d, this%dis, &
                                             this%invsc, this%vsc)
    if (this%insto > 0) call this%sto%sto_ar(this%dis, this%ibound)
    if (this%incsub > 0) call this%csub%csub_ar(this%dis, this%ibound)
    if (this%inmvr > 0) call this%mvr%mvr_ar()
    if (this%inobs > 0) call this%obs%gwf_obs_ar(this%ic, this%x, this%flowja)
    !
    ! -- Call dis_ar to write binary grid file
    call this%dis%dis_ar(this%npf%icelltype)
    !
    ! -- set up output control
    call this%oc%oc_ar(this%x, this%dis, this%npf%hnoflo)
    call this%budget%set_ibudcsv(this%oc%ibudcsv)
    !
    ! -- Package input files now open, so allocate and read
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%set_pointers(this%dis%nodes, this%ibound, this%x, &
                                this%xold, this%flowja)
      ! -- Read and allocate package
      call packobj%bnd_ar()
      if (this%inbuy > 0) call this%buy%buy_ar_bnd(packobj, this%x)
      if (this%invsc > 0) call this%vsc%vsc_ar_bnd(packobj)
    end do

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gwf_bd()

subroutine gwfmodule::gwf_bd ( class(gwfmodeltype)  this, integer(i4b), intent(in)  icnvg, integer(i4b), intent(in)  isuppress_output  )

private

(1) Calculate stress package contributions to model budget

Definition at line 786 of file gwf.f90.

    ! -- modules
    use sparsemodule, only: csr_diagsum
    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: icnvg
    integer(I4B), intent(in) :: isuppress_output
    ! -- local
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Finalize calculation of flowja by adding face flows to the diagonal.
    !    This results in the flow residual being stored in the diagonal
    !    position for each cell.
    call csr_diagsum(this%dis%con%ia, this%flowja)
    !
    ! -- Save the solution convergence flag
    this%icnvg = icnvg
    !
    ! -- Budget routines (start by resetting).  Sole purpose of this section
    !    is to add in and outs to model budget.  All ins and out for a model
    !    should be added here to this%budget.  In a subsequent exchange call,
    !    exchange flows might also be added.
    call this%budget%reset()
    if (this%insto > 0) call this%sto%sto_bd(isuppress_output, this%budget)
    if (this%incsub > 0) call this%csub%csub_bd(isuppress_output, this%budget)
    if (this%inmvr > 0) call this%mvr%mvr_bd()
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_bd(this%budget)
    end do
    !
    ! -- npf velocities have to be calculated here, after gwf-gwf exchanges
    !    have passed in their contributions from exg_cq()
    if (this%innpf > 0) then
      if (this%npf%icalcspdis /= 0) then
        call this%npf%calc_spdis(this%flowja)
      end if
    end if

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gwf_bdentry()

subroutine gwfmodule::gwf_bdentry	(	class(gwfmodeltype)	this,
		real(dp), dimension(:, :), intent(in)	budterm,
		character(len=lenbudtxt), dimension(:), intent(in)	budtxt,
		character(len=*), intent(in)	rowlabel
	)

This subroutine adds a budget entry to the flow budget. It was added as a method for the gwf model object so that the exchange object could add its

Definition at line 1121 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: lenbudtxt
    use tdismodule, only: delt
    ! -- dummy
    class(GwfModelType) :: this
    real(DP), dimension(:, :), intent(in) :: budterm
    character(len=LENBUDTXT), dimension(:), intent(in) :: budtxt
    character(len=*), intent(in) :: rowlabel
    !
    call this%budget%addentry(budterm, delt, budtxt, rowlabel=rowlabel)

gwf_cc()

subroutine gwfmodule::gwf_cc ( class(gwfmodeltype)  this, integer(i4b), intent(in)  innertot, integer(i4b), intent(in)  kiter, integer(i4b), intent(in)  iend, integer(i4b), intent(in)  icnvgmod, character(len=lenpakloc), intent(inout)  cpak, integer(i4b), intent(inout)  ipak, real(dp), intent(inout)  dpak  )

private

(1) calls package cc routines

Definition at line 563 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: innertot
    integer(I4B), intent(in) :: kiter
    integer(I4B), intent(in) :: iend
    integer(I4B), intent(in) :: icnvgmod
    character(len=LENPAKLOC), intent(inout) :: cpak
    integer(I4B), intent(inout) :: ipak
    real(DP), intent(inout) :: dpak
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    ! -- formats
    !
    ! -- If mover is on, then at least 2 outers required
    if (this%inmvr > 0) then
      call this%mvr%mvr_cc(innertot, kiter, iend, icnvgmod, cpak, ipak, dpak)
    end if
    !
    ! -- csub convergence check
    if (this%incsub > 0) then
      call this%csub%csub_cc(innertot, kiter, iend, icnvgmod, &
                             this%dis%nodes, this%x, this%xold, &
                             cpak, ipak, dpak)
    end if
    !
    ! -- Call package cc routines
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_cc(innertot, kiter, iend, icnvgmod, cpak, ipak, dpak)
    end do

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gwf_cf()

subroutine gwfmodule::gwf_cf	(	class(gwfmodeltype)	this,
		integer(i4b), intent(in)	kiter
	)

Definition at line 447 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: kiter
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- Call package cf routines
    if (this%innpf > 0) call this%npf%npf_cf(kiter, this%dis%nodes, this%x)
    if (this%inbuy > 0) call this%buy%buy_cf(kiter)
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_cf()
      if (this%inbuy > 0) call this%buy%buy_cf_bnd(packobj, this%x)
    end do

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gwf_cq()

subroutine gwfmodule::gwf_cq	(	class(gwfmodeltype)	this,
		integer(i4b), intent(in)	icnvg,
		integer(i4b), intent(in)	isuppress_output
	)

(1) Calculate intercell flows (flowja)

Definition at line 742 of file gwf.f90.

    ! -- modules
    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: icnvg
    integer(I4B), intent(in) :: isuppress_output
    ! -- local
    integer(I4B) :: i
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Construct the flowja array.  Flowja is calculated each time, even if
    !    output is suppressed.  (flowja is positive into a cell.)  The diagonal
    !    position of the flowja array will contain the flow residual after
    !    these routines are called, so each package is responsible for adding
    !    its flow to this diagonal position.
    do i = 1, this%nja
      this%flowja(i) = dzero
    end do
    if (this%innpf > 0) call this%npf%npf_cq(this%x, this%flowja)
    if (this%inbuy > 0) call this%buy%buy_cq(this%x, this%flowja)
    if (this%inhfb > 0) call this%hfb%hfb_cq(this%x, this%flowja)
    if (this%ingnc > 0) call this%gnc%gnc_cq(this%flowja)
    if (this%insto > 0) call this%sto%sto_cq(this%flowja, this%x, this%xold)
    if (this%incsub > 0) call this%csub%csub_cq(this%dis%nodes, this%x, &
                                                this%xold, isuppress_output, &
                                                this%flowja)
    !
    ! -- Go through packages and call cq routines.  cf() routines are called
    !    first to regenerate non-linear terms to be consistent with the final
    !    head solution.
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_cf()
      if (this%inbuy > 0) call this%buy%buy_cf_bnd(packobj, this%x)
      call packobj%bnd_cq(this%x, this%flowja)
    end do

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gwf_cr()

subroutine, public gwfmodule::gwf_cr	(	character(len=*), intent(in)	filename,
		integer(i4b), intent(in)	id,
		character(len=*), intent(in)	modelname
	)

(1) creates model object and add to modellist (2) assign values

Parameters

[in]	filename	input file
[in]	id	consecutive model number listed in mfsim.nam
[in]	modelname	name of the model

Definition at line 137 of file gwf.f90.

    ! -- modules
    use listsmodule, only: basemodellist
    use basemodelmodule, only: addbasemodeltolist
    use constantsmodule, only: linelength
    use memoryhelpermodule, only: create_mem_path
    use memorymanagerextmodule, only: mem_set_value
    use simvariablesmodule, only: idm_context
    use gwfnaminputmodule, only: gwfnamparamfoundtype
    use budgetmodule, only: budget_cr
    ! -- dummy
    character(len=*), intent(in) :: filename !< input file
    integer(I4B), intent(in) :: id !< consecutive model number listed in mfsim.nam
    character(len=*), intent(in) :: modelname !< name of the model
    ! -- local
    type(GwfModelType), pointer :: this
    class(BaseModelType), pointer :: model
    character(len=LENMEMPATH) :: input_mempath
    character(len=LINELENGTH) :: lst_fname
    type(GwfNamParamFoundType) :: found
    ! -- format
    !
    ! -- Allocate a new GWF Model (this) and add it to basemodellist
    allocate (this)
    !
    ! -- Set memory path before allocation in memory manager can be done
    this%memoryPath = create_mem_path(modelname)
    !
    call this%allocate_scalars(modelname)
    model => this
    call addbasemodeltolist(basemodellist, model)
    !
    ! -- Assign values
    this%filename = filename
    this%name = modelname
    this%macronym = 'GWF'
    this%id = id
    !
    ! -- set input model namfile memory path
    input_mempath = create_mem_path(modelname, 'NAM', idm_context)
    !
    ! -- copy option params from input context
    call mem_set_value(lst_fname, 'LIST', input_mempath, found%list)
    call mem_set_value(this%inewton, 'NEWTON', input_mempath, found%newton)
    call mem_set_value(this%inewtonur, 'UNDER_RELAXATION', input_mempath, &
                       found%under_relaxation)
    call mem_set_value(this%iprpak, 'PRINT_INPUT', input_mempath, &
                       found%print_input)
    call mem_set_value(this%iprflow, 'PRINT_FLOWS', input_mempath, &
                       found%print_flows)
    call mem_set_value(this%ipakcb, 'SAVE_FLOWS', input_mempath, found%save_flows)
    !
    ! -- create the list file
    call this%create_lstfile(lst_fname, filename, found%list, &
                             'GROUNDWATER FLOW MODEL (GWF)')
    !
    ! -- activate save_flows if found
    if (found%save_flows) then
      this%ipakcb = -1
    end if
    !
    ! -- log set options
    if (this%iout > 0) then
      call this%log_namfile_options(found)
    end if
    !
    ! -- Create utility objects
    call budget_cr(this%budget, this%name)
    !
    ! -- create model packages
    call this%create_packages()

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gwf_da()

subroutine gwfmodule::gwf_da ( class(gwfmodeltype)  this )

private

Definition at line 1043 of file gwf.f90.

    ! -- modules
    use memorymanagermodule, only: mem_deallocate
    use memorymanagerextmodule, only: memorystore_remove
    use simvariablesmodule, only: idm_context
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Deallocate idm memory
    call memorystore_remove(this%name, 'NAM', idm_context)
    call memorystore_remove(component=this%name, context=idm_context)
    !
    ! -- Internal flow packages deallocate
    call this%dis%dis_da()
    call this%ic%ic_da()
    call this%npf%npf_da()
    call this%xt3d%xt3d_da()
    call this%buy%buy_da()
    call this%vsc%vsc_da()
    call this%gnc%gnc_da()
    call this%sto%sto_da()
    call this%csub%csub_da()
    call this%budget%budget_da()
    call this%hfb%hfb_da()
    call this%mvr%mvr_da()
    call this%oc%oc_da()
    call this%obs%obs_da()
    !
    ! -- Internal package objects
    deallocate (this%dis)
    deallocate (this%ic)
    deallocate (this%npf)
    deallocate (this%xt3d)
    deallocate (this%buy)
    deallocate (this%vsc)
    deallocate (this%gnc)
    deallocate (this%sto)
    deallocate (this%csub)
    deallocate (this%budget)
    deallocate (this%hfb)
    deallocate (this%mvr)
    deallocate (this%obs)
    deallocate (this%oc)
    !
    ! -- Boundary packages
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_da()
      deallocate (packobj)
    end do
    !
    ! -- Scalars
    call mem_deallocate(this%inic)
    call mem_deallocate(this%inoc)
    call mem_deallocate(this%inobs)
    call mem_deallocate(this%innpf)
    call mem_deallocate(this%inbuy)
    call mem_deallocate(this%invsc)
    call mem_deallocate(this%insto)
    call mem_deallocate(this%incsub)
    call mem_deallocate(this%inmvr)
    call mem_deallocate(this%inhfb)
    call mem_deallocate(this%ingnc)
    call mem_deallocate(this%iss)
    call mem_deallocate(this%inewtonur)
    !
    ! -- NumericalModelType
    call this%NumericalModelType%model_da()

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gwf_df()

subroutine gwfmodule::gwf_df

(

class(gwfmodeltype)

this

)

(1) call df routines for each package (2) set gwf variables and pointers

Definition at line 216 of file gwf.f90.

    ! -- modules
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Define packages and utility objects
    call this%dis%dis_df()
    call this%npf%npf_df(this%dis, this%xt3d, this%ingnc, this%invsc)
    call this%oc%oc_df()
    call this%budget%budget_df(niunit_gwf, 'VOLUME', 'L**3')
    if (this%inbuy > 0) call this%buy%buy_df(this%dis)
    if (this%invsc > 0) call this%vsc%vsc_df(this%dis)
    if (this%ingnc > 0) call this%gnc%gnc_df(this)
    !
    ! -- Assign or point model members to dis members
    !    this%neq will be incremented if packages add additional unknowns
    this%neq = this%dis%nodes
    this%nja = this%dis%nja
    this%ia => this%dis%con%ia
    this%ja => this%dis%con%ja
    !
    ! -- Allocate model arrays, now that neq and nja are known
    call this%allocate_arrays()
    !
    ! -- Define packages and assign iout for time series managers
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_df(this%neq, this%dis)
    end do
    !
    ! -- Store information needed for observations
    call this%obs%obs_df(this%iout, this%name, 'GWF', this%dis)

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gwf_fc()

subroutine gwfmodule::gwf_fc ( class(gwfmodeltype)  this, integer(i4b), intent(in)  kiter, class(matrixbasetype), pointer  matrix_sln, integer(i4b), intent(in)  inwtflag  )

private

Definition at line 467 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: kiter
    class(MatrixBaseType), pointer :: matrix_sln
    integer(I4B), intent(in) :: inwtflag
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    integer(I4B) :: inwt, inwtsto, inwtcsub, inwtpak
    !
    ! -- newton flags
    inwt = inwtflag
    if (inwtflag == 1) inwt = this%npf%inewton
    inwtsto = inwtflag
    if (this%insto > 0) then
      if (inwtflag == 1) inwtsto = this%sto%inewton
    end if
    inwtcsub = inwtflag
    if (this%incsub > 0) then
      if (inwtflag == 1) inwtcsub = this%csub%inewton
    end if
    !
    ! -- Fill standard conductance terms
    if (this%innpf > 0) call this%npf%npf_fc(kiter, matrix_sln, this%idxglo, &
                                             this%rhs, this%x)
    if (this%inbuy > 0) call this%buy%buy_fc(kiter, matrix_sln, this%idxglo, &
                                             this%rhs, this%x)
    if (this%inhfb > 0) call this%hfb%hfb_fc(kiter, matrix_sln, this%idxglo, &
                                             this%rhs, this%x)
    if (this%ingnc > 0) call this%gnc%gnc_fc(kiter, matrix_sln)
    ! -- storage
    if (this%insto > 0) then
      call this%sto%sto_fc(kiter, this%xold, this%x, matrix_sln, &
                           this%idxglo, this%rhs)
    end if
    ! -- skeletal storage, compaction, and land subsidence
    if (this%incsub > 0) then
      call this%csub%csub_fc(kiter, this%xold, this%x, matrix_sln, &
                             this%idxglo, this%rhs)
    end if
    if (this%inmvr > 0) call this%mvr%mvr_fc()
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_fc(this%rhs, this%ia, this%idxglo, matrix_sln)
    end do
    !
    !--Fill newton terms
    if (this%innpf > 0) then
      if (inwt /= 0) then
        call this%npf%npf_fn(kiter, matrix_sln, this%idxglo, this%rhs, this%x)
      end if
    end if
    !
    ! -- Fill newton terms for ghost nodes
    if (this%ingnc > 0) then
      if (inwt /= 0) then
        call this%gnc%gnc_fn(kiter, matrix_sln, this%npf%condsat, &
                             ivarcv_opt=this%npf%ivarcv, &
                             ictm1_opt=this%npf%icelltype, &
                             ictm2_opt=this%npf%icelltype)
      end if
    end if
    !
    ! -- Fill newton terms for storage
    if (this%insto > 0) then
      if (inwtsto /= 0) then
        call this%sto%sto_fn(kiter, this%xold, this%x, matrix_sln, &
                             this%idxglo, this%rhs)
      end if
    end if
    !
    ! -- Fill newton terms for skeletal storage, compaction, and land subsidence
    if (this%incsub > 0) then
      if (inwtcsub /= 0) then
        call this%csub%csub_fn(kiter, this%xold, this%x, matrix_sln, &
                               this%idxglo, this%rhs)
      end if
    end if
    !
    ! -- Fill Newton terms for packages
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      inwtpak = inwtflag
      if (inwtflag == 1) inwtpak = packobj%inewton
      if (inwtpak /= 0) then
        call packobj%bnd_fn(this%rhs, this%ia, this%idxglo, matrix_sln)
      end if
    end do

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gwf_fp()

subroutine gwfmodule::gwf_fp

(

class(gwfmodeltype)

this

)

Definition at line 1029 of file gwf.f90.

    ! -- modules
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    !
    ! -- csub final processing
    if (this%incsub > 0) then
      call this%csub%csub_fp()
    end if

gwf_get_iasym()

integer(i4b) function gwfmodule::gwf_get_iasym

(

class(gwfmodeltype)

this

)

Definition at line 1137 of file gwf.f90.

    class(GwfModelType) :: this
    ! -- local
    integer(I4B) :: iasym
    integer(I4B) :: ip
    class(BndType), pointer :: packobj
    !
    ! -- Start by setting iasym to zero
    iasym = 0
    !
    ! -- NPF
    if (this%innpf > 0) then
      if (this%npf%iasym /= 0) iasym = 1
      if (this%npf%ixt3d /= 0) iasym = 1
    end if
    !
    ! -- GNC
    if (this%ingnc > 0) then
      if (this%gnc%iasym /= 0) iasym = 1
    end if
    !
    ! -- Check for any packages that introduce matrix asymmetry
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      if (packobj%iasym /= 0) iasym = 1
    end do

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gwf_mc()

subroutine gwfmodule::gwf_mc	(	class(gwfmodeltype)	this,
		class(matrixbasetype), pointer	matrix_sln
	)

Definition at line 284 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    class(MatrixBaseType), pointer :: matrix_sln
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- Find the position of each connection in the global ia, ja structure
    !    and store them in idxglo.
    call this%dis%dis_mc(this%moffset, this%idxglo, matrix_sln)
    !
    ! -- Map any additional connections that NPF may need
    if (this%innpf > 0) call this%npf%npf_mc(this%moffset, matrix_sln)
    !
    ! -- Map any package connections
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_mc(this%moffset, matrix_sln)
    end do
    !
    ! -- For implicit gnc, need to store positions of gnc connections
    !    in solution matrix connection
    if (this%ingnc > 0) call this%gnc%gnc_mc(matrix_sln)

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gwf_nur()

subroutine gwfmodule::gwf_nur	(	class(gwfmodeltype)	this,
		integer(i4b), intent(in)	neqmod,
		real(dp), dimension(neqmod), intent(inout)	x,
		real(dp), dimension(neqmod), intent(in)	xtemp,
		real(dp), dimension(neqmod), intent(inout)	dx,
		integer(i4b), intent(inout)	inewtonur,
		real(dp), intent(inout)	dxmax,
		integer(i4b), intent(inout)	locmax
	)

(1) Under-relaxation of Groundwater Flow Model Heads for current outer iteration using the cell bottoms at the bottom of the model

Definition at line 697 of file gwf.f90.

    ! modules
    use constantsmodule, only: done, dp9
    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: neqmod
    real(DP), dimension(neqmod), intent(inout) :: x
    real(DP), dimension(neqmod), intent(in) :: xtemp
    real(DP), dimension(neqmod), intent(inout) :: dx
    integer(I4B), intent(inout) :: inewtonur
    real(DP), intent(inout) :: dxmax
    integer(I4B), intent(inout) :: locmax
    ! -- local
    integer(I4B) :: i0
    integer(I4B) :: i1
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- apply Newton-Raphson under-relaxation if model is using
    !    the Newton-Raphson formulation and this Newton-Raphson
    !    under-relaxation is turned on.
    if (this%inewton /= 0 .and. this%inewtonur /= 0) then
      if (this%innpf > 0) then
        call this%npf%npf_nur(neqmod, x, xtemp, dx, inewtonur, dxmax, locmax)
      end if
      !
      ! -- Call package nur routines
      i0 = this%dis%nodes + 1
      do ip = 1, this%bndlist%Count()
        packobj => getbndfromlist(this%bndlist, ip)
        if (packobj%npakeq > 0) then
          i1 = i0 + packobj%npakeq - 1
          call packobj%bnd_nur(packobj%npakeq, x(i0:i1), xtemp(i0:i1), &
                               dx(i0:i1), inewtonur, dxmax, locmax)
          i0 = i1 + 1
        end if
      end do
    end if

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gwf_ot()

subroutine gwfmodule::gwf_ot

(

class(gwfmodeltype)

this

)

Definition at line 829 of file gwf.f90.

    ! -- modules
    use tdismodule, only: kstp, kper, tdis_ot, endofperiod
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    integer(I4B) :: idvsave
    integer(I4B) :: idvprint
    integer(I4B) :: icbcfl
    integer(I4B) :: icbcun
    integer(I4B) :: ibudfl
    integer(I4B) :: ipflag
    ! -- formats
    character(len=*), parameter :: fmtnocnvg = &
      "(1X,/9X,'****FAILED TO MEET SOLVER CONVERGENCE CRITERIA IN TIME STEP ', &
      &I0,' OF STRESS PERIOD ',I0,'****')"
    !
    ! -- Set write and print flags
    idvsave = 0
    idvprint = 0
    icbcfl = 0
    ibudfl = 0
    if (this%oc%oc_save('HEAD')) idvsave = 1
    if (this%oc%oc_print('HEAD')) idvprint = 1
    if (this%oc%oc_save('BUDGET')) icbcfl = 1
    if (this%oc%oc_print('BUDGET')) ibudfl = 1
    icbcun = this%oc%oc_save_unit('BUDGET')
    !
    ! -- Override ibudfl and idvprint flags for nonconvergence
    !    and end of period
    ibudfl = this%oc%set_print_flag('BUDGET', this%icnvg, endofperiod)
    idvprint = this%oc%set_print_flag('HEAD', this%icnvg, endofperiod)
    !
    !   Calculate and save observations
    call this%gwf_ot_obs()
    !
    !   Save and print flows
    call this%gwf_ot_flow(icbcfl, ibudfl, icbcun)
    !
    !   Save and print dependent variables
    call this%gwf_ot_dv(idvsave, idvprint, ipflag)
    !
    !   Print budget summaries
    call this%gwf_ot_bdsummary(ibudfl, ipflag)
    !
    ! -- Timing Output; if any dependent variables or budgets
    !    are printed, then ipflag is set to 1.
    if (ipflag == 1) call tdis_ot(this%iout)
    !
    ! -- Write non-convergence message
    if (this%icnvg == 0) then
      write (this%iout, fmtnocnvg) kstp, kper
    end if

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gwf_ot_bdsummary()

subroutine gwfmodule::gwf_ot_bdsummary ( class(gwfmodeltype)  this, integer(i4b), intent(in)  ibudfl, integer(i4b), intent(inout)  ipflag  )

private

Definition at line 996 of file gwf.f90.

    use tdismodule, only: kstp, kper, totim, delt
    class(GwfModelType) :: this
    integer(I4B), intent(in) :: ibudfl
    integer(I4B), intent(inout) :: ipflag
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
 
    ! -- Package budget summary
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_bdsummary(kstp, kper, this%iout, ibudfl)
    end do
 
    ! -- mover budget summary
    if (this%inmvr > 0) then
      call this%mvr%mvr_ot_bdsummary(ibudfl)
    end if
 
    ! -- model budget summary
    call this%budget%finalize_step(delt)
    if (ibudfl /= 0) then
      ipflag = 1
      call this%budget%budget_ot(kstp, kper, this%iout)
    end if
 
    ! -- Write to budget csv every time step
    call this%budget%writecsv(totim)
 

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gwf_ot_dv()

subroutine gwfmodule::gwf_ot_dv ( class(gwfmodeltype)  this, integer(i4b), intent(in)  idvsave, integer(i4b), intent(in)  idvprint, integer(i4b), intent(inout)  ipflag  )

private

Definition at line 963 of file gwf.f90.

    class(GwfModelType) :: this
    integer(I4B), intent(in) :: idvsave
    integer(I4B), intent(in) :: idvprint
    integer(I4B), intent(inout) :: ipflag
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- Save compaction to binary file
    if (this%incsub > 0) call this%csub%csub_ot_dv(idvsave, idvprint)
    !
    ! -- save density to binary file
    if (this%inbuy > 0) then
      call this%buy%buy_ot_dv(idvsave)
    end if
    !
    ! -- save viscosity to binary file
    if (this%invsc > 0) then
      call this%vsc%vsc_ot_dv(idvsave)
    end if
    !
    ! -- Print advanced package dependent variables
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_dv(idvsave, idvprint)
    end do
    !
    ! -- save head and print head
    call this%oc%oc_ot(ipflag)

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gwf_ot_flow()

subroutine gwfmodule::gwf_ot_flow ( class(gwfmodeltype)  this, integer(i4b), intent(in)  icbcfl, integer(i4b), intent(in)  ibudfl, integer(i4b), intent(in)  icbcun  )

private

Definition at line 912 of file gwf.f90.

    class(GwfModelType) :: this
    integer(I4B), intent(in) :: icbcfl
    integer(I4B), intent(in) :: ibudfl
    integer(I4B), intent(in) :: icbcun
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
 
    ! -- Save GWF flows
    if (this%insto > 0) then
      call this%sto%sto_save_model_flows(icbcfl, icbcun)
    end if
    if (this%innpf > 0) then
      call this%npf%npf_save_model_flows(this%flowja, icbcfl, icbcun)
    end if
    if (this%incsub > 0) call this%csub%csub_save_model_flows(icbcfl, icbcun)
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_model_flows(icbcfl=icbcfl, ibudfl=0, icbcun=icbcun)
    end do
 
    ! -- Save advanced package flows
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_package_flows(icbcfl=icbcfl, ibudfl=0)
    end do
    if (this%inmvr > 0) then
      call this%mvr%mvr_ot_saveflow(icbcfl, ibudfl)
    end if
 
    ! -- Print GWF flows
    if (this%innpf > 0) call this%npf%npf_print_model_flows(ibudfl, this%flowja)
    if (this%ingnc > 0) call this%gnc%gnc_ot(ibudfl)
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_model_flows(icbcfl=icbcfl, ibudfl=ibudfl, icbcun=0)
    end do
 
    ! -- Print advanced package flows
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_ot_package_flows(icbcfl=0, ibudfl=ibudfl)
    end do
    if (this%inmvr > 0) then
      call this%mvr%mvr_ot_printflow(icbcfl, ibudfl)
    end if
 

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gwf_ot_obs()

subroutine gwfmodule::gwf_ot_obs

(

class(gwfmodeltype)

this

)

Definition at line 886 of file gwf.f90.

    class(GwfModelType) :: this
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
 
    ! -- Calculate and save GWF observations
    call this%obs%obs_bd()
    call this%obs%obs_ot()
 
    ! -- Calculate and save csub observations
    if (this%incsub > 0) then
      call this%csub%csub_bd_obs()
      call this%csub%obs%obs_ot()
    end if
 
    ! -- Calculate and save package observations
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_bd_obs()
      call packobj%bnd_ot_obs()
    end do
 

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gwf_ptc()

subroutine gwfmodule::gwf_ptc ( class(gwfmodeltype)  this, class(vectorbasetype), pointer  vec_residual, integer(i4b), intent(inout)  iptc, real(dp), intent(inout)  ptcf  )

private

(1) Calculate maximum pseudo-transient continuation factor for the current outer iteration

Definition at line 626 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: done
    use tdismodule, only: delt
    ! -- dummy
    class(GwfModelType) :: this
    class(VectorBaseType), pointer :: vec_residual
    integer(I4B), intent(inout) :: iptc
    real(DP), intent(inout) :: ptcf
    ! -- local
    integer(I4B) :: n
    integer(I4B) :: iptct
    real(DP) :: v
    real(DP) :: resid
    real(DP) :: ptcdelem1
    !
    ! -- set temporary flag indicating if pseudo-transient continuation should
    !    be used for this model and time step
    iptct = 0
    ! -- only apply pseudo-transient continuation to problems using the
    !    Newton-Raphson formulations for steady-state stress periods
    if (this%iss > 0) then
      if (this%inewton > 0) then
        iptct = this%inewton
      else
        iptct = this%npf%inewton
      end if
    end if
    !
    ! -- calculate pseudo-transient continuation factor for model
    if (iptct > 0) then
      !
      ! -- calculate the pseudo-time step using the residual
      do n = 1, this%dis%nodes
        if (this%npf%ibound(n) < 1) cycle
        !
        ! -- get the maximum volume of the cell (head at top of cell)
        v = this%dis%get_cell_volume(n, this%dis%top(n))
        !
        ! -- set the residual
        resid = vec_residual%get_value_local(n)
        !
        ! -- calculate the reciprocal of the pseudo-time step
        !    resid [L3/T] / volume [L3] = [1/T]
        ptcdelem1 = abs(resid) / v
        !
        ! -- set ptcf if the reciprocal of the pseudo-time step
        !    exceeds the current value (equivalent to using the
        !    smallest pseudo-time step)
        if (ptcdelem1 > ptcf) ptcf = ptcdelem1
      end do
      !
      ! -- protection for the case where the residuals are zero
      if (ptcf == dzero) then
        ptcf = done / (delt * dten)
      end if
    end if
    !
    ! -- reset ipc if needed
    if (iptc == 0) then
      if (iptct > 0) iptc = 1
    end if

gwf_ptcchk()

subroutine gwfmodule::gwf_ptcchk ( class(gwfmodeltype)  this, integer(i4b), intent(inout)  iptc  )

private

(1) Check if pseudo-transient continuation factor should be used

Definition at line 602 of file gwf.f90.

    ! -- dummy
    class(GwfModelType) :: this
    integer(I4B), intent(inout) :: iptc
    !
    ! -- determine if pseudo-transient continuation should be applied to this
    !    model - pseudo-transient continuation only applied to problems that
    !    use the Newton-Raphson formulation during steady-state stress periods
    iptc = 0
    if (this%iss > 0) then
      if (this%inewton > 0) then
        iptc = this%inewton
      else
        iptc = this%npf%inewton
      end if
    end if

gwf_rp()

subroutine gwfmodule::gwf_rp ( class(gwfmodeltype)  this )

private

(1) calls package read and prepare routines

Definition at line 360 of file gwf.f90.

    ! -- modules
    use tdismodule, only: readnewdata
    ! -- dummy
    class(GwfModelType) :: this
    ! -- local
    class(BndType), pointer :: packobj
    integer(I4B) :: ip
    !
    ! -- Check with TDIS on whether or not it is time to RP
    if (.not. readnewdata) return
    !
    ! -- Read and prepare
    if (this%innpf > 0) call this%npf%npf_rp()
    if (this%inbuy > 0) call this%buy%buy_rp()
    if (this%invsc > 0) call this%vsc%vsc_rp()
    if (this%inhfb > 0) call this%hfb%hfb_rp()
    if (this%inoc > 0) call this%oc%oc_rp()
    if (this%insto > 0) call this%sto%sto_rp()
    if (this%incsub > 0) call this%csub%csub_rp()
    if (this%inmvr > 0) call this%mvr%mvr_rp()
    do ip = 1, this%bndlist%Count()
      packobj => getbndfromlist(this%bndlist, ip)
      call packobj%bnd_rp()
      call packobj%bnd_rp_log()
      call packobj%bnd_rp_obs()
    end do
    !
    ! -- Check for steady state period
    call this%steady_period_check()

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log_namfile_options()

subroutine gwfmodule::log_namfile_options	(	class(gwfmodeltype)	this,
		type(gwfnamparamfoundtype), intent(in)	found
	)

Definition at line 1542 of file gwf.f90.

    use gwfnaminputmodule, only: gwfnamparamfoundtype
    class(GwfModelType) :: this
    type(GwfNamParamFoundType), intent(in) :: found
 
    write (this%iout, '(1x,a)') 'NAMEFILE OPTIONS:'
 
    if (found%newton) then
      write (this%iout, '(4x,a)') &
        'NEWTON-RAPHSON method enabled for the model.'
      if (found%under_relaxation) then
        write (this%iout, '(4x,a,a)') &
          'NEWTON-RAPHSON UNDER-RELAXATION based on the bottom ', &
          'elevation of the model will be applied to the model.'
      end if
    end if
 
    if (found%print_input) then
      write (this%iout, '(4x,a)') 'STRESS PACKAGE INPUT WILL BE PRINTED '// &
        'FOR ALL MODEL STRESS PACKAGES'
    end if
 
    if (found%print_flows) then
      write (this%iout, '(4x,a)') 'PACKAGE FLOWS WILL BE PRINTED '// &
        'FOR ALL MODEL PACKAGES'
    end if
 
    if (found%save_flows) then
      write (this%iout, '(4x,a)') &
        'FLOWS WILL BE SAVED TO BUDGET FILE SPECIFIED IN OUTPUT CONTROL'
    end if
 
    write (this%iout, '(1x,a)') 'END NAMEFILE OPTIONS:'

package_create()

subroutine gwfmodule::package_create	(	class(gwfmodeltype)	this,
		character(len=*), intent(in)	filtyp,
		integer(i4b), intent(in)	ipakid,
		integer(i4b), intent(in)	ipaknum,
		character(len=*), intent(in)	pakname,
		character(len=*), intent(in)	mempath,
		integer(i4b), intent(in)	inunit,
		integer(i4b), intent(in)	iout
	)

(1) create new-style package (2) add a pointer to the package

Definition at line 1213 of file gwf.f90.

    ! -- modules
    use constantsmodule, only: linelength
    use simmodule, only: store_error
    use chdmodule, only: chd_create
    use welmodule, only: wel_create
    use drnmodule, only: drn_create
    use rivmodule, only: riv_create
    use ghbmodule, only: ghb_create
    use rchmodule, only: rch_create
    use evtmodule, only: evt_create
    use mawmodule, only: maw_create
    use sfrmodule, only: sfr_create
    use lakmodule, only: lak_create
    use uzfmodule, only: uzf_create
    use apimodule, only: api_create
    ! -- dummy
    class(GwfModelType) :: this
    character(len=*), intent(in) :: filtyp
    integer(I4B), intent(in) :: ipakid
    integer(I4B), intent(in) :: ipaknum
    character(len=*), intent(in) :: pakname
    character(len=*), intent(in) :: mempath
    integer(I4B), intent(in) :: inunit
    integer(I4B), intent(in) :: iout
    ! -- local
    class(BndType), pointer :: packobj
    class(BndType), pointer :: packobj2
    integer(I4B) :: ip
    !
    ! -- This part creates the package object
    select case (filtyp)
    case ('CHD6')
      call chd_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('WEL6')
      call wel_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('DRN6')
      call drn_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('RIV6')
      call riv_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('GHB6')
      call ghb_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('RCH6')
      call rch_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('EVT6')
      call evt_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case ('MAW6')
      call maw_create(packobj, ipakid, ipaknum, inunit, iout, this%name, pakname)
    case ('SFR6')
      call sfr_create(packobj, ipakid, ipaknum, inunit, iout, this%name, pakname)
    case ('LAK6')
      call lak_create(packobj, ipakid, ipaknum, inunit, iout, this%name, pakname)
    case ('UZF6')
      call uzf_create(packobj, ipakid, ipaknum, inunit, iout, this%name, pakname)
    case ('API6')
      call api_create(packobj, ipakid, ipaknum, inunit, iout, this%name, &
                      pakname, mempath)
    case default
      write (errmsg, *) 'Invalid package type: ', filtyp
      call store_error(errmsg, terminate=.true.)
    end select
    !
    ! -- Check to make sure that the package name is unique, then store a
    !    pointer to the package in the model bndlist
    do ip = 1, this%bndlist%Count()
      packobj2 => getbndfromlist(this%bndlist, ip)
      if (packobj2%packName == pakname) then
        write (errmsg, '(a,a)') 'Cannot create package.  Package name  '// &
          'already exists: ', trim(pakname)
        call store_error(errmsg, terminate=.true.)
      end if
    end do
    call addbndtolist(this%bndlist, packobj)

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steady_period_check()

subroutine gwfmodule::steady_period_check

(

class(gwfmodeltype)

this

)

Write warning message if steady state period and adaptive time stepping is active for the period

Definition at line 1584 of file gwf.f90.

    ! -- modules
    use tdismodule, only: kper
    use adaptivetimestepmodule, only: isadaptiveperiod
    use simvariablesmodule, only: warnmsg
    use simmodule, only: store_warning
    ! -- dummy
    class(GwfModelType) :: this
    if (this%iss == 1) then
      if (isadaptiveperiod(kper)) then
        write (warnmsg, '(a,a,a,i0,a)') &
          'GWF Model (', trim(this%name), ') is steady state for period ', &
          kper, ' and adaptive time stepping is active.  Adaptive time &
          &stepping may not work properly for steady-state conditions.'
        call store_warning(warnmsg)
      end if
    end if

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Variable Documentation

gwf_basepkg

character(len=lenpackagetype), dimension(gwf_nbasepkg), public gwfmodule::gwf_basepkg

Definition at line 107 of file gwf.f90.

  character(len=LENPACKAGETYPE), dimension(GWF_NBASEPKG) :: GWF_BASEPKG

gwf_multipkg

character(len=lenpackagetype), dimension(gwf_nmultipkg), public gwfmodule::gwf_multipkg

Definition at line 120 of file gwf.f90.

  character(len=LENPACKAGETYPE), dimension(GWF_NMULTIPKG) :: GWF_MULTIPKG

gwf_nbasepkg

integer(i4b), parameter, public gwfmodule::gwf_nbasepkg = 50

GWF6 model base package types. Only listed packages are candidates for input and these will be loaded in the order specified.

Definition at line 106 of file gwf.f90.

  integer(I4B), parameter :: GWF_NBASEPKG = 50

gwf_nmultipkg

integer(i4b), parameter, public gwfmodule::gwf_nmultipkg = 50

GWF6 model multi-instance package types. Only listed packages are candidates for input and these will be loaded in the order specified.

Definition at line 119 of file gwf.f90.

  integer(I4B), parameter :: GWF_NMULTIPKG = 50

niunit_gwf

integer(i4b), parameter gwfmodule::niunit_gwf = GWF_NBASEPKG + GWF_NMULTIPKG

private

Definition at line 127 of file gwf.f90.

  integer(I4B), parameter :: NIUNIT_GWF = gwf_nbasepkg + gwf_nmultipkg