# INPUT FOR COMPOSITE MODFLOW/MODOPTIM FILE WITH PARAMETERS TO BE ESTIMATED #------------------------------------------------------- # DATA GROUP 1 - General data for building MODFLOW/BAS file # CHTEST AQUIFER TEST ANALYSIS OF WELL PENETRATING TWO AQUIFERS - Upper Floridan and Lower Floridan aquifers # GRIDDING info:INPUT_CHTEST.GR3.txt # 4 = ITMUNI !! Specifies time units in MODFLOW are in days #------------------------------------------------------- # DATA GROUP 2 - Specification of stress period and time step lengths # # Stress period information has been moved to here so the machine can count # the number of periods. IPER = n/3 A modulo divide of n by 3 that does not # result in 0 terminates the run. # # All free format data that is of an unspecified length must terminate # with a line that contains: # PERLEN NSTP TSMULT 1.010 90 1.10 # # PERLEN is stress-period length # NSTP is number of time steps in a stress period # TSMULT is time step multiplier # #------------------------------------------------------- # DATA GROUP 3 - Specify MODFLOW files and unit numbers # # Identify MODFLOW packages and file names. MODFLOW data inputs to be built # by MODOPTIM must be assigned a unit number between 10 and 39, inclusive. # Unit numbers 40 through 69, inclusive, are reserved by MODOPTIM. # filename modkey:unit FILE:OUTPUT_CHTEST.BCF.txt BCF:10 FILE:OUTPUT_CHTEST.VAR1.txt VAR1:17 FILE:INPUT_CHTEST.WEL.txt WEL5:71 FILE:INPUT_CHTEST.OC.txt OC:72 FILE:INPUT_CHTEST.PCG.txt PCG2:73 file input #------------------------ # Specify additional files and their associated unit numbers to be opened # in an unformatted format. Follow the format of: #------------------------ FILE:OUTPUT_CHTEST.ufh <89> FILE:OUTPUT_CHTEST.cbc <90> # unformatted file input #------------------------------------------------------- # DATA GROUP 4 - Specification of MODFLOW variables IPART and ISTRT # # iapart indicates whether array BUFF is separated from array RHS. # If iapart=0, arrays BUFF and RHS occupy the same space # istrt indicated whether starting heads art to be save. # If istrt=0, starting heads are not saved A line is required for IAPART and ISTRT, no values default to 0, 1. #------------------------------------------------------- # DATA GROUP 5 - Parameter zones/ibound arrays # Direct entry of 1 IBOUND array and increment # Redirect to file:INPUT_CHTEST.ZONES.txt # # #------------------------------------------------------- # DATA GROUP 6 - Inactive cells and starting head values # 999. !! head value assigned to inactive cells # # specify starting head ....... # # can alternatively supply Global: & will assume file is # START.HEAD opened on unit 39. # # FILE:OUTPUT_SHD.txt GLOBAL:0.00000 unit:39 # #------------------------------------------------------- # DATA GROUP 7 - Construct package with parameters to be estimated # PACKAGE = BCF # #------------------------------------------------------- # DATA GROUP 8 - Additional information specific to BCF package # # Specify if run is Transient or SS. "TRAN" is the fragment used as a key. # Cell-by-cell unit numbers use "UNIT:" as key. # Transient simulation with cell-by-cell to unit:90 # # Specify layer type with LAYCON values: # 0 - confined # 1 - unconfined # 2 - confined/unconfined with T held constant # 3 - confined/unconfined # Any unspecified layer will be assumed to be confined. # 0 # # Specify Anisotropy as a constant or by layer # No numeric values will force an assumption of isotropic conditions # in all layers. # Isotropic # AUTOmatically fill BCF from GR3 file of BCF package # PACKAGE = VAR1 # 50 90 Tag:ANIS Field:4 SP:1 2 1 55 2 1.00 Y-conductance UFA PUMP 1 90 150 1.00 Y-conductance CUBE -1 -1 -1 -1 of VAR package