def dis(self):
delrc = 200
ztop = self.df_mf['MODEL_TOP'].values.reshape(self.nrows, self.ncols)
botms = self.df_mf.filter(like='BOT').T.values.reshape(
self.nlays, self.nrows, self.ncols)
# prj = NAD_1983_2011_UTM_Zone_18N
dis = flomf.ModflowDis(self.mf,
self.nlays,
self.nrows,
self.ncols,
delr=delrc,
delc=delrc,
botm=botms,
top=ztop,
nper=self.kpers,
steady=self.steady,
rotation=19,
xul=400232.64777,
yul=4072436.50165,
proj4_str='EPSG:6347',
start_datetime=self.params.get(
'START_DATE', '06/30/2011'))
return dis
def test_mflist_reference():
import os
import numpy as np
import shapefile
import flopy.modflow as fmf
# model_ws = os.path.join('..', 'data', 'freyberg')
# ml = fmf.Modflow.load('freyberg.nam', model_ws=model_ws)
# make the model
ml = fmf.Modflow()
assert isinstance(ml, fmf.Modflow)
perlen = np.arange(1, 20, 1)
nstp = np.flipud(perlen) + 3
tsmult = 1.2
nlay = 10
nrow, ncol = 50, 40
botm = np.arange(0, -100, -10)
hk = np.random.random((nrow, ncol))
dis = fmf.ModflowDis(ml,
delr=100.0,
delc=100.0,
nrow=nrow,
ncol=ncol,
nlay=nlay,
nper=perlen.shape[0],
perlen=perlen,
nstp=nstp,
tsmult=tsmult,
top=10,
botm=botm,
steady=False)
assert isinstance(dis, fmf.ModflowDis)
lpf = fmf.ModflowLpf(ml, hk=hk, vka=10.0, laytyp=1)
assert isinstance(lpf, fmf.ModflowLpf)
pcg = fmf.ModflowPcg(ml)
assert isinstance(pcg, fmf.ModflowPcg)
oc = fmf.ModflowOc(ml)
assert isinstance(oc, fmf.ModflowOc)
ibound = np.ones((nrow, ncol))
ibound[:, 0] = -1
ibound[25:30, 30:39] = 0
bas = fmf.ModflowBas(ml, strt=5.0, ibound=ibound)
assert isinstance(bas, fmf.ModflowBas)
rch = fmf.ModflowRch(ml, rech={0: 0.00001, 5: 0.0001, 6: 0.0})
assert isinstance(rch, fmf.ModflowRch)
wel_dict = {}
wel_data = [[9, 25, 20, -200], [0, 0, 0, -400], [5, 20, 32, 500]]
wel_dict[0] = wel_data
wel_data2 = [[45, 20, 200], [9, 49, 39, 400], [5, 20, 32, 500]]
wel_dict[10] = wel_data2
wel = fmf.ModflowWel(ml, stress_period_data={0: wel_data})
assert isinstance(wel, fmf.ModflowWel)
ghb_dict = {0: [1, 10, 10, 400, 300]}
ghb = fmf.ModflowGhb(ml, stress_period_data=ghb_dict)
assert isinstance(ghb, fmf.ModflowGhb)
test = os.path.join('temp', 'test3.shp')
ml.export(test, kper=0)
shp = shapefile.Reader(test)
assert shp.numRecords == nrow * ncol
def setup_class(cls):
"""Make a modflow model."""
print("setting up model...")
t0 = time.time()
size = 100
nlay = 10
nper = 10
nsfr = int((size**2) / 5)
cls.modelname = "junk"
cls.model_ws = "temp/t064"
external_path = "external/"
if not os.path.isdir(cls.model_ws):
os.makedirs(cls.model_ws)
if not os.path.isdir(os.path.join(cls.model_ws, external_path)):
os.makedirs(os.path.join(cls.model_ws, external_path))
m = fm.Modflow(cls.modelname,
model_ws=cls.model_ws,
external_path=external_path)
dis = fm.ModflowDis(
m,
nper=nper,
nlay=nlay,
nrow=size,
ncol=size,
top=nlay,
botm=list(range(nlay)),
)
rch = fm.ModflowRch(
m, rech={k: 0.001 - np.cos(k) * 0.001
for k in range(nper)})
ra = fm.ModflowWel.get_empty(size**2)
well_spd = {}
for kper in range(nper):
ra_per = ra.copy()
ra_per["k"] = 1
ra_per["i"] = ((np.ones((size, size)) *
np.arange(size)).transpose().ravel().astype(int))
ra_per["j"] = list(range(size)) * size
well_spd[kper] = ra
wel = fm.ModflowWel(m, stress_period_data=well_spd)
# SFR package
rd = fm.ModflowSfr2.get_empty_reach_data(nsfr)
rd["iseg"] = range(len(rd))
rd["ireach"] = 1
sd = fm.ModflowSfr2.get_empty_segment_data(nsfr)
sd["nseg"] = range(len(sd))
sfr = fm.ModflowSfr2(reach_data=rd, segment_data=sd, model=m)
cls.init_time = time.time() - t0
cls.m = m
def test_mflist_external():
import flopy.modflow as fmf
ml = fmf.Modflow("mflist_test", model_ws="temp", external_path="ref")
dis = fmf.ModflowDis(ml, 1, 10, 10, nper=3, perlen=1.0)
wel_data = {
0: [[0, 0, 0, -1], [1, 1, 1, -1]],
1: [[0, 0, 0, -2], [1, 1, 1, -1]]
}
wel = fmf.ModflowWel(ml, stress_period_data=wel_data)
ml.write_input()
ml1 = fmf.Modflow.load("mflist_test.nam",
model_ws=ml.model_ws,
verbose=True,
forgive=False)
assert np.array_equal(ml.wel[0], ml1.wel[0])
assert np.array_equal(ml.wel[1], ml1.wel[1])
z0[0, 0, 30:38] = np.arange(-2.5, -40, -5)
z0[0, 0, 38:] = -40
z1[0, 0, 22:30] = np.arange(-2.5, -40, -5)
z1[0, 0, 30:] = -40
z = []
z.append(z0)
z.append(z1)
ssz = 0.2
isource = np.ones((nrow, ncol), 'int')
isource[0, 0] = 2
# stratified model
modelname = 'swiex2_strat'
print('creating...', modelname)
ml = mf.Modflow(modelname, version='mf2005', exe_name=mf_name, model_ws=dirs[0])
discret = mf.ModflowDis(ml, nlay=1, ncol=ncol, nrow=nrow, delr=delr, delc=1, top=0, botm=[-40.0],
nper=nper, perlen=perlen, nstp=nstp)
bas = mf.ModflowBas(ml, ibound=ibound, strt=0.05)
bcf = mf.ModflowBcf(ml, laycon=0, tran=2 * 40)
swi = mf.ModflowSwi2(ml, nsrf=nsurf, istrat=1, toeslope=0.2, tipslope=0.2, nu=[0, 0.0125, 0.025],
zeta=z, ssz=ssz, isource=isource, nsolver=1)
oc = mf.ModflowOc88(ml, save_head_every=1000)
pcg = mf.ModflowPcg(ml)
ml.write_input()
# run stratified model
if not skipRuns:
m = ml.run_model(silent=False)
# read stratified results
zetafile = os.path.join(dirs[0], '{}.zta'.format(modelname))
zobj = fu.CellBudgetFile(zetafile)
zkstpkper = zobj.get_kstpkper()
zeta = zobj.get_data(kstpkper=zkstpkper[-1], text=' ZETASRF 1')[0]
isource = np.ones((nrow, ncol), np.int)
isource[0, 0] = 2
ocdict = {}
for idx in range(49, 200, 50):
key = (0, idx)
ocdict[key] = ['save head', 'save budget']
key = (0, idx+1)
ocdict[key] = []
# create flopy modflow object
ml = mf.Modflow(modelname, version='mf2005', exe_name=exe_name)
# create flopy modflow package objects
discret = mf.ModflowDis(ml, nlay=nlay, nrow=nrow, ncol=ncol,
delr=delr, delc=delc,
top=0, botm=[-40.0],
perlen=400, nstp=200)
bas = mf.ModflowBas(ml, ibound=ibound, strt=0.0)
lpf = mf.ModflowLpf(ml, hk=2., vka=2.0, vkcb=0, laytyp=0, layavg=0)
wel = mf.ModflowWel(ml, stress_period_data={0:[(0, 0, 0, 1)]})
swi = mf.ModflowSwi2(ml, npln=1, istrat=1, toeslope=0.2, tipslope=0.2, nu=[0, 0.025],
zeta=z, ssz=0.2, isource=isource, nsolver=1)
oc = mf.ModflowOc(ml, stress_period_data=ocdict)
pcg = mf.ModflowPcg(ml)
# create model files
ml.write_input()
# run the model
m = ml.run_model(silent=False)
# read model heads
headfile = '{}.hds'.format(modelname)
hdobj = fu.HeadFile(headfile)
def main():
'''
This is the main function.
'''
# Package all the required file paths into the Paths object
mfPaths = Paths()
# Package all the required framework specifications into the mfFrame object
mfFrame = Frame(Paths=mfPaths, dx_dy=dx_dy)
if build_from_gis:
# Build the model framework ASCII files from the GIS layers. Note that this
# requires a GDAL installation. If you don't want to get into that you
# can skip this step and simply build the model from the ASCII files that I've
# already created.
mfFrame.build_frame(Paths=mfPaths)
# ---------------------------------------------
# ---------------------------------------------
# Now use Flopy to build the MODFLOW model packages
# ---------------------------------------------
# ---------------------------------------------
start_dir = os.getcwd()
os.chdir(mfPaths.modflow_dir
) # This is simplest if done inside the MODFLOW directory
# Initialize a Flopy model object. This is the base class around which the model
# packages are built.
Modflow = mf.Modflow(mfFrame.model_name,
external_path='./',
version=mfPaths.mf_version)
# The .oc ('output control') package specifies how the model output is written.
# This model includes a single steady state stress period. Save the
# distribution of heads as well as the flow budget/mass balance to binaries.
# These can be plotted or converted to rasters (the current version of the script
# doesn't do any post-processing.)
oc = mf.ModflowOc(Modflow,
stress_period_data={
(0, 0): ['SAVE HEAD', 'SAVE BUDGET']
})
# The .dis and .bas packages define the model framework. I've already defined
# the framework attributes using the mfFrame object and simply pass those
# attributes to the constructor.
dis = mf.ModflowDis(Modflow,mfFrame.nlay,mfFrame.nrow,mfFrame.ncol,\
delr=mfFrame.delr,delc=mfFrame.delc,\
top=mfFrame.top,botm=mfFrame.bottom)
bas = mf.ModflowBas(Modflow,
ibound=mfFrame.ibound,
strt=mfFrame.top,
hnoflo=mfFrame.hnoflo)
# The .upw package describes the system properties (e.g., transmissivity/conductivity).
# For this model I simply give it a constant hydraulic conductivity field. This model
# converges but I have no idea how physically realistic it is. If you would
# like to make it more physically realistic (e.g., try to fit head or discharge
# data) you would need to estimate the hydraulic conductivity field via
# calibration/inverse modeling
hk = np.ones(np.shape(mfFrame.ibound))
upw = mf.ModflowUpw(Modflow, laytyp=mfFrame.laytyp, hk=hk, ipakcb=53)
# The .nwt package defines the solver specs. Just use the defaults.
nwt = mf.ModflowNwt(Modflow)
# RECHARGE INPUTS TO THE SYSTEM
# -----------------------------
# The .rch packages specifies recharge/precipitation inputs to the water table.
# Remember that I have already generated an array from the GIS layer and attached
# it to the mfFrame object.
rch = mf.ModflowRch(Modflow, nrchop=3, rech={0: mfFrame.rch}, ipakcb=53)
# BASEFLOW DISCHARGE FROM THE SYSTEM
# ----------------------------------
# The .drn package is one method of simulating the discharge of groundwater as
# base-flow in streams in rivers. Define every landsurface cell as a drain
# in order to allow the discharge network to emerge from topography.
drn_stages = mfFrame.top
drn_stages[mfFrame.ibound.squeeze() <= 0] = np.nan
drn_input = build_drain_input(mfFrame=mfFrame, stages=drn_stages)
drn = mf.ModflowDrn(Modflow, stress_period_data=drn_input, ipakcb=53)
# Now write the files. Flopy can also run the model if you tell it where the
# binary is, but if I understood your method correctly you will be invoking something
# from hydroshare. For convenience I am writing a windows .bat file that
# can be used to run the model.
Modflow.write_input()
os.chdir(start_dir)
with open(mfPaths.mf_bat_file, 'w') as fout:
fout.write('%s %s' % (binary_path, os.path.basename(mfPaths.nam_file)))
folder = mfPaths.scratch_dir
for the_file in os.listdir(folder):
file_path = os.path.join(folder, the_file)
try:
if os.path.isfile(file_path):
os.unlink(file_path)
except Exception as e:
print(e)
folder = mfPaths.model_frame_dir
for the_file in os.listdir(folder):
file_path = os.path.join(folder, the_file)
try:
if os.path.isfile(file_path):
os.unlink(file_path)
except Exception as e:
print(e)
folder = mfPaths.data_dir
for the_file in os.listdir(folder):
file_path = os.path.join(folder, the_file)
try:
if os.path.isfile(file_path):
os.unlink(file_path)
except Exception as e:
print(e)
return
excel_filename=excel_filename,
Qmult=1,
imb=imb,
run_length=rl,
years=years,
startwinter=startwinter,
temp_assigned=temp_assigned) # calculates flows during simulation
''' MODFLOW INPUT files''' # set all the fixed conditions that don't change while running etc.
ml = mf.Modflow(name, version='mf2005', exe_name=swtexe_name, model_ws=dirs[0])
discret = mf.ModflowDis(ml,
nrow=int(grid_obj.nrow),
ncol=int(grid_obj.ncol),
nlay=grid_obj.nlay,
delr=grid_obj.delr,
delc=grid_obj.delc,
laycbd=0.,
top=grid_obj.top,
botm=grid_obj.botm,
nper=nper,
perlen=perlen,
nstp=nstp,
steady=steady)
lpf = mf.ModflowLpf(ml,
hk=grid_obj.HK,
vka=grid_obj.VK,
ss=grid_obj.ss,
ipakcb=53,
sy=0.15,
laytyp=laytyp,
layavg=0.)
twords = [i + 1, j + 1]
if savebudget == True:
twords.append('pbudget')
if savehead == True:
twords.append('head')
savewords.append(twords)
solver2params = {'mxiter': 100, 'iter1': 20, 'npcond': 1, 'zclose': 1.0e-6, 'rclose': 3e-3, 'relax': 1.0,
'nbpol': 2, 'damp': 1.0, 'dampt': 1.0}
# --create model file and run model
modelname = 'swi2ex5'
mf_name = 'mf2005'
if not skipRuns:
ml = mf.Modflow(modelname, version='mf2005', exe_name=mf_name, model_ws=dirs[0])
discret = mf.ModflowDis(ml, nrow=nrow, ncol=ncol, nlay=nlay, delr=delr, delc=delc,
top=0, botm=bot, laycbd=0, nper=nper,
perlen=perlen, nstp=nstp, steady=steady)
bas = mf.ModflowBas(ml, ibound=ibound, strt=ihead)
lpf = mf.ModflowLpf(ml, hk=kh, vka=kv, ss=ss, sy=ssz, vkcb=0, laytyp=0, layavg=1)
wel = mf.ModflowWel(ml, stress_period_data=well_data)
swi = mf.ModflowSwi2(ml, npln=1, istrat=1, toeslope=0.025, tipslope=0.025, nu=[0, 0.025], \
zeta=z, ssz=ssz, isource=isource, nsolver=2, solver2params=solver2params)
oc = mf.ModflowOc(ml, words=savewords)
pcg = mf.ModflowPcg(ml, hclose=1.0e-6, rclose=3.0e-3, mxiter=100, iter1=50)
# --write the modflow files
ml.write_input()
m = ml.run_model(silent=False)
# --read model zeta
get_stp = [364, 729, 1094, 1459, 364, 729, 1094, 1459]
get_per = [0, 0, 0, 0, 1, 1, 1, 1]
lrchc[:, [0, 1, 3, 4]] = [0, 0, 0., 0.8 / 2.0]
lrchc[:, 2] = np.arange(0, 30)
#--swi2 data
zini = np.hstack(
(-9 * np.ones(24), np.arange(-9, -50,
-0.5), -50 * np.ones(94)))[np.newaxis, :]
iso = np.zeros((1, 200), dtype=np.int)
iso[:, :30] = -2
#--model objects
ml = mf.Modflow(modelname, version='mf2005', exe_name=exe_name)
discret = mf.ModflowDis(ml,
nrow=nrow,
ncol=ncol,
nlay=3,
delr=delr,
delc=delc,
laycbd=[0, 0, 0],
top=-9.0,
botm=[-29, -30, -50],
nper=2,
perlen=[365 * 1000, 1000 * 365],
nstp=[500, 500])
bas = mf.ModflowBas(ml, ibound=1, strt=1.0)
bcf = mf.ModflowBcf(ml,
laycon=[0, 0, 0],
tran=[40.0, 1, 80.0],
vcont=[0.005, 0.005])
wel = mf.ModflowWel(ml, stress_period_data={0: lrcQ1, 1: lrcQ2})
ghb = mf.ModflowGhb(ml, stress_period_data={0: lrchc})
swi = mf.ModflowSwi2(ml,
nsrf=1,
istrat=1,
path_to_mf2005 = 'C:/Users/Sam/Dropbox/Work/Models/MODFLOW/MF2005.1_12/bin/mf2005.exe' #SCZ
model = fpm.Modflow(modelname='gwexample', exe_name=path_to_mf2005) #SCZ
#model = fpm.Modflow(modelname = 'gwexample')
#3. The discretization of the model is specified with the
#discretization file (DIS) of MODFLOW. The aquifer
#is divided into 201 cells of length 10m and width 1 m.
#The first input of the discretization package is the name
#of the model object. All other input arguments are self
#explanatory.
fpm.ModflowDis(model,
nlay=1,
nrow=1,
ncol=201,
delr=10,
delc=1,
top=50,
botm=0)
#Active cells and the like are defined with the Basic
#package (BAS), which is required for every MODFLOW
#model. It contains the ibound array, which
#is used to specify which cells are active (value is
#positive), inactive (value is 0), or fixed head (value
#is negative). The numpy package (aliased as np) can
#be used to quickly initialize the ibound array with
#values of 1, and then set the ibound value for the
#first and last columns to -1. The numpy package
#(and Python, in general) uses zero-based indexing and
#supports negative indexing so that row 1 and column
delRow = delCol = L / (N - 1)
# Number of timePeriods
nPer = 100
# Set steady of all periods to false
steady = np.zeros(100)
# Instantiate the discretization object
dis = mf.ModflowDis(ml,
nlay=NLay,
nrow=N,
ncol=N,
delr=delRow,
delc=delCol,
top=0.0,
botm=bot,
laycbd=0,
lenuni=2,
itmuni=4,
steady=steady,
nper=nPer,
perlen=1)
# helping-variable
NHalf = int((N - 1) / 2)
# iBound-Configuration
iBound = np.ones((NLay, N, N))
# Set all elements in the first row to -1
iBound[:, 0, :] = -1
delc = Ly / nrow # column width of cell, in m
# define the stress periods
nper = 2
ts = 1 # length of time step, in years
nstp = 30 # number of time steps
perlen = nstp * ts # length of simulation, in years
steady = True # steady state or transient
dis = mf.ModflowDis(m,
nlay,
nrow,
ncol,
delr=delr,
delc=delc,
top=ztop,
botm=botm,
nper=nper,
perlen=perlen,
nstp=nstp,
steady=steady,
itmuni=5)
# hydraulic parameters (aquifer properties with the bcf-package)
hy = 36500 # hydraulic conductivity
sf = 0.25 # storage coefficient
laycon = 1 # layer type, confined (0), unconfined (1), constant T, variable S (2), variable T, variable S (default is 3)
bcf = mf.ModflowBcf(m, hy=hy, sf1=sf, laycon=1)
# BAS package (Basic Package)
ibound = np.ones((nlay, nrow, ncol)) # # active cells
def calculate_model(z1_hk, z2_hk, z3_hk):
# Z1_hk = 15 # 3<Z1_hk<15
# Z2_hk = 15 # 3<Z2_hk<15
# Z3_hk = 3 # 3<Z3_hk<15
hobs = [
[0, 20, 10, 69.52],
[0, 40, 10, 71.44],
[0, 60, 10, 72.99],
[0, 80, 10, 73.86],
[0, 20, 45, 58.73],
[0, 40, 45, 50.57],
[0, 60, 45, 54.31],
[0, 80, 45, 58.06],
[0, 20, 80, 56.31],
[0, 40, 80, 52.32],
[0, 60, 80, 46.35],
[0, 80, 80, 29.01],
[0, 20, 100, 57.24],
[0, 40, 100, 54.24],
[0, 60, 100, 39.48],
[0, 80, 100, 48.47],
]
model_path = os.path.join('_model')
if os.path.exists(model_path):
shutil.rmtree(model_path)
modelname = 'parEstMod'
version = 'mf2005'
exe_name = 'mf2005'
if platform.system() == 'Windows':
exe_name = 'mf2005.exe'
ml = mf.Modflow(modelname=modelname,
exe_name=exe_name,
version=version,
model_ws=model_path)
nlay = 1
nrow = 90
ncol = 120
area_width_y = 9000
area_width_x = 12000
delc = area_width_x / ncol
delr = area_width_y / nrow
nper = 1
top = 100
botm = 0
dis = mf.ModflowDis(ml,
nlay=nlay,
nrow=nrow,
ncol=ncol,
delr=delr,
delc=delc,
top=top,
botm=botm,
nper=nper,
steady=True)
ibound = 1
strt = 100
bas = mf.ModflowBas(ml, ibound=ibound, strt=strt)
mask_arr = np.zeros((nlay, nrow, ncol))
mask_arr[:, :, 0] = 80
mask_arr[:, :, -1] = 60
ghb_spd = {0: []}
for layer_id in range(nlay):
for row_id in range(nrow):
for col_id in range(ncol):
if mask_arr[layer_id][row_id][col_id] > 0:
ghb_spd[0].append([
layer_id, row_id, col_id,
mask_arr[layer_id][row_id][col_id], 200
])
ghb = mf.ModflowGhb(ml, stress_period_data=ghb_spd)
rch = 0.0002
rech = {}
rech[0] = rch
rch = mf.ModflowRch(ml, rech=rech, nrchop=3)
welSp = {}
welSp[0] = [
[0, 20, 20, -20000],
[0, 40, 40, -20000],
[0, 60, 60, -20000],
[0, 80, 80, -20000],
[0, 60, 100, -20000],
]
wel = mf.ModflowWel(ml, stress_period_data=welSp)
hk = np.zeros((nlay, nrow, ncol))
hk[:, :, 0:40] = z1_hk
hk[:, :, 40:80] = z2_hk
hk[:, :, 80:120] = z3_hk
lpf = mf.ModflowLpf(ml, hk=hk, layavg=0, layvka=0, sy=0.3, ipakcb=53)
pcg = mf.ModflowPcg(ml, rclose=1e-1)
oc = mf.ModflowOc(ml)
ml.write_input()
ml.run_model(silent=True)
hds = fu.HeadFile(os.path.join(model_path, modelname + '.hds'))
times = hds.get_times()
response = []
for hob in hobs:
observed = hob[3]
calculated = hds.get_data(totim=times[-1])[hob[0]][hob[1]][hob[2]]
response.append(observed - calculated)
return json.dumps(response)
iswiobs = 1051
modelname = 'swiex4_s1'
if not skipRuns:
ml = mf.Modflow(modelname,
version='mf2005',
exe_name=exe_name,
model_ws=workspace)
discret = mf.ModflowDis(ml,
nlay=nlay,
nrow=nrow,
ncol=ncol,
laycbd=0,
delr=delr,
delc=delc,
top=botm[0],
botm=botm[1:],
nper=nper,
perlen=perlen,
nstp=nstp,
steady=steady)
bas = mf.ModflowBas(ml, ibound=ibound, strt=ihead)
lpf = mf.ModflowLpf(ml, laytyp=laytyp, hk=hk, vka=vka)
wel = mf.ModflowWel(ml, stress_period_data=base_well_data)
ghb = mf.ModflowGhb(ml, stress_period_data=ghb_data)
rch = mf.ModflowRch(ml, rech=rch_data)
swi = mf.ModflowSwi2(ml,
nsrf=1,
istrat=1,
toeslope=toeslope,
DRN = gg.set_DRN(gr, IBOUND)
SEEP = gg.set_seepage(gr, NPER)
OC = {(0, 0): ['save head', 'save budget', 'print budget']
for i in range(NPER)}
#%% MODEL AND packages ADDED TO IT
mf = fm.Modflow(modelname, exe_name=exe_name)
dis = fm.ModflowDis(mf,
gr.nlay,
gr.ny,
gr.nx,
delr=gr.dx,
delc=gr.dy,
top=gr.Ztop[0],
botm=gr.Zbot,
laycbd=gr.LAYCBD,
nper=NPER,
perlen=PERLEN,
nstp=NSTP,
steady=STEADY)
bas = fm.ModflowBas(mf, ibound=IBOUND, strt=STRTHD)
lpf = fm.ModflowLpf(mf,
hk=HK,
vka=VKA,
chani=[1.e-20, 1.e-20],
sy=SY,
ss=SS,
laytyp=LAYTYP,
vkcb=VKCB,
(0, 0): [
'save head', 'save drawdown', 'save budget', 'print head',
'print budget'
]
}
#%% MODEL AND packages ADDED TO IT
mf = fm.Modflow(modelname, exe_name=exe_name)
dis = fm.ModflowDis(mf,
Nlay,
Ny,
Nx,
delr=dx,
delc=dy,
top=zTop,
botm=zBot,
laycbd=LAYCBD,
nper=NPER,
perlen=PERLEN,
nstp=NSTP,
steady=STEADY)
bas = fm.ModflowBas(mf, ibound=IBOUND, strt=STRTHD)
lpf = fm.ModflowLpf(mf, hk=HK, vka=VKA, sy=SY, ss=SS, laytyp=LAYTYP, vkcb=VKCB)
ghb = fm.ModflowGhb(mf, stress_period_data=GHB)
wel = fm.ModflowWel(mf, stress_period_data=WEL)
rch = fm.ModflowRch(mf, nrchop=3, rech=RECH)
evt = fm.ModflowEvt(mf, nevtop=3, evtr=EVTR)
oc = fm.ModflowOc(mf, stress_period_data=OC, compact=True)
pcg = fm.ModflowPcg(mf)
def get_package(self, _mf):
content = self.merge()
return mf.ModflowDis(_mf, **content)
def create_package(self, name, content):
if name == 'mf':
model_ws = os.path.realpath(os.path.join(self._data_folder, self._model_id, content['model_ws']))
if not os.path.exists(model_ws):
os.makedirs(model_ws)
self._mf = mf.Modflow(
modelname=content['modelname'],
exe_name=content['exe_name'],
version=content['version'],
model_ws=model_ws
)
if name == 'dis':
mf.ModflowDis(
self._mf,
nlay=content['nlay'],
nrow=content['nrow'],
ncol=content['ncol'],
nper=content['nper'],
delr=content['delr'],
delc=content['delc'],
laycbd=content['laycbd'],
top=content['top'],
botm=content['botm'],
perlen=content['perlen'],
nstp=content['nstp'],
tsmult=content['tsmult'],
steady=content['steady'],
itmuni=content['itmuni'],
lenuni=content['lenuni'],
extension=content['extension'],
unitnumber=content['unitnumber'],
xul=content['xul'],
yul=content['yul'],
rotation=content['rotation'],
proj4_str=content['proj4_str'],
start_datetime=content['start_datetime']
)
if name == 'bas':
mf.ModflowBas(
self._mf,
ibound=content['ibound'],
strt=content['strt'],
ifrefm=content['ifrefm'],
ixsec=content['ixsec'],
ichflg=content['ichflg'],
stoper=content['stoper'],
hnoflo=content['hnoflo'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'lpf':
mf.ModflowLpf(
self._mf,
laytyp=content['laytyp'],
layavg=content['layavg'],
chani=content['chani'],
layvka=content['layvka'],
laywet=content['laywet'],
ipakcb=content['ipakcb'],
hdry=content['hdry'],
iwdflg=content['iwdflg'],
wetfct=content['wetfct'],
iwetit=content['iwetit'],
ihdwet=content['ihdwet'],
hk=content['hk'],
hani=content['hani'],
vka=content['vka'],
ss=content['ss'],
sy=content['sy'],
vkcb=content['vkcb'],
wetdry=content['wetdry'],
storagecoefficient=content['storagecoefficient'],
constantcv=content['constantcv'],
thickstrt=content['thickstrt'],
nocvcorrection=content['nocvcorrection'],
novfc=content['novfc'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'pcg':
mf.ModflowPcg(
self._mf,
mxiter=content['mxiter'],
iter1=content['iter1'],
npcond=content['npcond'],
hclose=content['hclose'],
rclose=content['rclose'],
relax=content['relax'],
nbpol=content['nbpol'],
iprpcg=content['iprpcg'],
mutpcg=content['mutpcg'],
damp=content['damp'],
dampt=content['dampt'],
ihcofadd=content['ihcofadd'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'oc':
mf.ModflowOc(
self._mf,
ihedfm=content['ihedfm'],
iddnfm=content['iddnfm'],
chedfm=content['chedfm'],
cddnfm=content['cddnfm'],
cboufm=content['cboufm'],
compact=content['compact'],
stress_period_data=self.get_stress_period_data(content['stress_period_data']),
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'risdlkfjlv':
mf.ModflowRiv(
self._mf,
ipakcb=content['ipakcb'],
stress_period_data=content['stress_period_data'],
dtype=content['dtype'],
extension=content['extension'],
unitnumber=content['unitnumber'],
options=content['options'],
naux=content['naux']
)
if name == 'wel':
mf.ModflowWel(
self._mf,
ipakcb=content['ipakcb'],
stress_period_data=content['stress_period_data'],
dtype=content['dtype'],
extension=content['extension'],
unitnumber=content['unitnumber'],
options=content['options']
)
if name == 'rch':
mf.ModflowRch(
self._mf,
ipakcb=content['ipakcb'],
nrchop=content['nrchop'],
rech=content['rech'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'chd':
mf.ModflowChd(
self._mf,
stress_period_data=content['stress_period_data'],
dtype=content['dtype'],
options=content['options'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
if name == 'ghb':
mf.ModflowGhb(
self._mf,
ipakcb=content['ipakcb'],
stress_period_data=content['stress_period_data'],
dtype=content['dtype'],
options=content['options'],
extension=content['extension'],
unitnumber=content['unitnumber']
)
def run_experiment(self, experiment):
'''
Method for running an instantiated model structure.
This method should always be implemented.
:param case: keyword arguments for running the model. The case is a
dict with the names of the uncertainties as key, and
the values to which to set these uncertainties.
'''
#NetLogo agent attributes to be passed to Python well objects
#when new wells are created in NetLogo
nl_read_sys_attribs = ['who', 'xcor', 'ycor']
nl_read_well_attribs = [
'who', 'xcor', 'ycor', 'IsCold', 'z0', 'FilterLength', 'T_inj', 'Q'
]
#NetLogo agent attributes to be updated by the Python objects after each period
nl_update_well_attribs = ['T_modflow', 'H_modflow']
nl_update_globals = ['ztop', 'Laquifer']
self.netlogo.command('setup')
for key, value in experiment.items():
if key in self.NetLogo_uncertainties:
try:
self.netlogo.command(self.command_format.format(
key, value))
except jpype.JavaException as e:
warning('Variable {0} throws exception: {}'.format(
(key, str(e))))
logging.debug(self.netlogo.report(str(key)))
if key in self.SEAWAT_uncertainties:
setattr(self, key, value)
#Set policy parameters if present
if self.policy:
for key, value in self.policy.items():
if (key in self.NetLogo_uncertainties and key != 'name'):
self.netlogo.command(self.command_format.format(
key, value))
elif key in self.SEAWAT_uncertainties:
setattr(self, key, value)
logging.info('Policy parameters set successfully')
#Update NetLogo globals from input parameters
for var in nl_update_globals:
self.netlogo.command(
self.command_format.format(var, getattr(self, var)))
#Run the NetLogo setup routine, creating the agents
#Create lists of Python objects based on the NetLogo agents
self.netlogo.command('init-agents')
sys_obj_list = update_runtime_objectlist(self.netlogo, [],
nl_read_sys_attribs,
breed='system',
objclass=PySystem)
well_obj_list, newgrid_flag = update_runtime_objectlist(
self.netlogo, [],
nl_read_well_attribs,
breed='well',
objclass=PyWell)
#Assign values for uncertain NetLogo parameters
logging.info('NetLogo parameters set successfully')
#self.netlogo.command('init-agents')
#Calculate geohydrological parameters linked to variable inputs
rho_b = self.rho_solid * (1 - self.PEFF)
kT_b = self.kT_s * (1 - self.PEFF) + self.kT_f * self.PEFF
dmcoef = kT_b / (self.PEFF * self.rho_f * self.Cp_f) * 24 * 3600
trpt = self.al * self.trp_mult
trpv = trpt
#Initialize PyGrid object
itype = mt3.Mt3dSsm.itype_dict()
grid_obj = PyGrid()
grid_obj.make_grid(well_obj_list,
dmin=self.dmin,
dmax=self.dmax,
dz=self.dz,
ztop=self.ztop,
zbot=self.zbot,
nstep=self.nstep,
grid_extents=self.grid_extents)
#Initial arrays for grid values (temperature, head) - for this case, assumes no groundwater flow
#and uniform temperature
grid_obj.ncol = len(grid_obj.XGR) - 1
grid_obj.delr = np.diff(grid_obj.XGR)
grid_obj.nrow = len(grid_obj.YGR) - 1
grid_obj.delc = -np.diff(grid_obj.YGR)
grid_obj.top = self.ztop * np.ones([grid_obj.nrow, grid_obj.ncol])
botm_range = np.arange(self.zbot, self.ztop, self.dz)[::-1]
botm_2d = np.ones([grid_obj.nrow, grid_obj.ncol])
grid_obj.botm = botm_2d * botm_range[:, None, None]
grid_obj.nlay = len(botm_range)
grid_obj.IBOUND, grid_obj.ICBUND = boundaries(
grid_obj) #Create grid boundaries
#Initial arrays for grid values (temperature, head)
init_grid = np.ones((grid_obj.nlay, grid_obj.nrow, grid_obj.ncol))
grid_obj.temp = 10. * init_grid
grid_obj.HK = self.HK * init_grid
grid_obj.VK = self.VK * init_grid
#Set initial heads according to groundwater flow (based on mfLab Utrecht model)
y_array = np.array([(grid_obj.YGR[:-1] - np.mean(grid_obj.YGR[:-1])) *
self.PEFF * -self.gwflow_y / 365 / self.HK])
y_tile = np.array([np.tile(y_array.T, (1, grid_obj.ncol))])
x_array = (grid_obj.XGR[:-1] - np.mean(
grid_obj.XGR[:-1])) * self.PEFF * -self.gwflow_x / 365 / self.HK
y_tile += x_array
grid_obj.head = np.tile(y_tile, (grid_obj.nlay, 1, 1))
#Set times at which to read SEAWAT output for each simulation period
timprs = np.array([self.perlen])
nprs = len(timprs)
logging.info('SEAWAT parameters set successfully')
#Iterate the coupled model
for period in range(self.run_length):
#Set up the text output from NetLogo
commands = []
self.fns = {}
for outcome in self.outcomes:
#if outcome.time:
name = outcome.name
fn = r'{0}{3}{1}{2}'.format(self._working_directory, name,
'.txt', os.sep)
self.fns[name] = fn
fn = '"{}"'.format(fn)
fn = fn.replace(os.sep, '/')
if self.netlogo.report('is-agentset? {}'.format(name)):
#If name is name of an agentset, we
#assume that we should count the total number of agents
nc = r'{2} {0} {3} {4} {1}'.format(fn, name, 'file-open',
'file-write', 'count')
else:
#It is not an agentset, so assume that it is
#a reporter / global variable
nc = r'{2} {0} {3} {1}'.format(fn, name, 'file-open',
'file-write')
commands.append(nc)
c_out = ' '.join(commands)
self.netlogo.command(c_out)
logging.info(' -- Simulating period {0} of {1}'.format(
period, self.run_length))
#Run the NetLogo model for one tick
self.netlogo.command('go')
logging.debug('NetLogo step completed')
#Create placeholder well list - required for MODFLOW WEL package if no wells active in NetLogo
well_LRCQ_list = {}
well_LRCQ_list[0] = [[0, 0, 0, 0]]
ssm_data = {}
ssm_data[0] = [[0, 0, 0, 0, itype['WEL']]]
#Check the well agents which are active in NetLogo, and update the Python objects if required
#The newgrid_flag indicates whether or not the grid should be recalculated to account for changes
#in the list of active wells
if well_obj_list:
well_obj_list, newgrid_flag = update_runtime_objectlist(
self.netlogo, well_obj_list, nl_read_well_attribs)
if well_obj_list and newgrid_flag:
#If the list of active wells has changed and if there are active wells, create a new grid object
newgrid_obj = PyGrid()
newgrid_obj.make_grid(well_obj_list,
dmin=self.dmin,
dmax=self.dmax,
dz=self.dz,
ztop=self.ztop,
zbot=self.zbot,
nstep=self.nstep,
grid_extents=self.grid_extents)
#Interpolate the temperature and head arrays to match the new grid
newgrid_obj.temp = grid_interpolate(grid_obj.temp[0, :, :],
grid_obj, newgrid_obj)
newgrid_obj.head = grid_interpolate(grid_obj.head[0, :, :],
grid_obj, newgrid_obj)
#Use the new simulation grid
grid_obj = newgrid_obj
logging.debug('Python update completed')
if well_obj_list:
for i in well_obj_list:
#Read well flows from NetLogo and locate each well in the simulation grid
i.Q = read_NetLogo_attrib(self.netlogo, 'Q', i.who)
i.calc_LRC(grid_obj)
#Create well and temperature lists following MODFLOW/MT3DMS format
well_LRCQ_list = create_LRCQ_list(well_obj_list, grid_obj)
ssm_data = create_conc_list(well_obj_list)
#Initialize MODFLOW packages using FloPy
#ml = mf.Modflow(self.name, version='mf2005', exe_name=self.swtexe_name, model_ws=self.dirs[0])
swtm = swt.Seawat(self.name,
exe_name=self.swtexe_name,
model_ws=self.dirs[0])
discret = mf.ModflowDis(swtm,
nrow=grid_obj.nrow,
ncol=grid_obj.ncol,
nlay=grid_obj.nlay,
delr=grid_obj.delr,
delc=grid_obj.delc,
laycbd=0,
top=self.ztop,
botm=self.zbot,
nper=self.nper,
perlen=self.perlen,
nstp=self.nstp,
steady=self.steady)
bas = mf.ModflowBas(swtm,
ibound=grid_obj.IBOUND,
strt=grid_obj.head)
lpf = mf.ModflowLpf(swtm,
hk=self.HK,
vka=self.VK,
ss=0.0,
sy=0.0,
laytyp=0,
layavg=0)
wel = mf.ModflowWel(swtm, stress_period_data=well_LRCQ_list)
words = ['head', 'drawdown', 'budget', 'phead', 'pbudget']
save_head_every = 1
oc = mf.ModflowOc(swtm)
pcg = mf.ModflowPcg(swtm,
mxiter=200,
iter1=200,
npcond=1,
hclose=0.001,
rclose=0.001,
relax=1.0,
nbpol=0)
#ml.write_input()
#Initialize MT3DMS packages
#mt = mt3.Mt3dms(self.name, 'nam_mt3dms', modflowmodel=ml, model_ws=self.dirs[0])
adv = mt3.Mt3dAdv(
swtm,
mixelm=0, #-1 is TVD
percel=1,
nadvfd=1,
#Particle based methods
nplane=0,
mxpart=250000,
itrack=3,
dceps=1e-4,
npl=5,
nph=8,
npmin=1,
npmax=16)
btn = mt3.Mt3dBtn(swtm,
cinact=-100.,
icbund=grid_obj.ICBUND,
prsity=self.PEFF,
sconc=[grid_obj.temp][0],
ifmtcn=-1,
chkmas=False,
nprobs=0,
nprmas=1,
dt0=0.0,
ttsmult=1.5,
ttsmax=20000.,
ncomp=1,
nprs=nprs,
timprs=timprs,
mxstrn=9999)
dsp = mt3.Mt3dDsp(swtm,
al=self.al,
trpt=trpt,
trpv=trpv,
dmcoef=dmcoef)
rct = mt3.Mt3dRct(swtm, isothm=0, ireact=0, igetsc=0, rhob=rho_b)
gcg = mt3.Mt3dGcg(swtm,
mxiter=50,
iter1=50,
isolve=1,
cclose=1e-3,
iprgcg=0)
ssm = mt3.Mt3dSsm(swtm, stress_period_data=ssm_data)
#mt.write_input()
#Initialize SEAWAT packages
# mswtf = swt.Seawat(self.name, 'nam_swt', modflowmodel=ml, mt3dmsmodel=mt,
# model_ws=self.dirs[0])
swtm.write_input()
#Run SEAWAT
#m = mswtf.run_model(silent=True)
m = swtm.run_model(silent=True)
logging.debug('SEAWAT step completed')
#Copy Modflow/MT3DMS output to new files
shutil.copyfile(
os.path.join(self.dirs[0], self.name + '.hds'),
os.path.join(self.dirs[0], self.name + str(period) + '.hds'))
shutil.copyfile(
os.path.join(self.dirs[0], 'MT3D001.UCN'),
os.path.join(self.dirs[0], self.name + str(period) + '.UCN'))
#Create head file object and read head array for next simulation period
h_obj = bf.HeadFile(
os.path.join(self.dirs[0], self.name + str(period) + '.hds'))
grid_obj.head = h_obj.get_data(totim=self.perlen)
#Create concentration file object and read temperature array for next simulation period
t_obj = bf.UcnFile(
os.path.join(self.dirs[0], self.name + str(period) + '.UCN'))
grid_obj.temp = t_obj.get_data(totim=self.perlen)
logging.debug('Output processed')
if well_obj_list:
for i in well_obj_list:
#Update each active Python well object with the temperature and head at its grid location
i.T_modflow = grid_obj.temp[i.L[0], i.R, i.C]
i.H_modflow = grid_obj.head[i.L[0], i.R, i.C]
#Update the NetLogo agents from the corresponding Python objects
write_NetLogo_attriblist(self.netlogo, well_obj_list,
nl_update_well_attribs)
#As an example of data exchange, we can calculate the fraction of the simulated grid in which
#the temperature change is significant, and send this value to a NetLogo global variable
use = subsurface_use(grid_obj, grid_obj.temp)
write_NetLogo_global(self.netlogo, 'SubsurfaceUse', use)
logging.debug('NetLogo update completed')
h_obj.file.close()
t_obj.file.close()
self.netlogo.command('file-close-all')
self._handle_outcomes()
# more information: http://docs.scipy.org/doc/numpy-1.10.0/reference/generated/numpy.linspace.html
bot = np.linspace(-H / Nlay, -H, Nlay)
# result is:
# array([ -5., -10., -15., -20., -25., -30., -35., -40., -45., -50.])
# calculation of row-width and col-width
delrow = delcol = L / (N - 1)
# result is:
# 4
# instantiante the discretization object
dis = mf.ModflowDis(ml,
nlay=Nlay,
nrow=N,
ncol=N,
delr=delrow,
delc=delcol,
top=0.0,
botm=bot,
laycbd=0)
# helping-variable
Nhalf = (N - 1) / 2
# iBound-Configuration
# http://water.usgs.gov/nrp/gwsoftware/modflow2000/MFDOC/index.html?bas6.htm
# If IBOUND(J,I,K) < 0, cell J,I,K has a constant head.
# If IBOUND(J,I,K) = 0, cell J,I,K is inactive.
# If IBOUND(J,I,K) > 0, cell J,I,K is active.
#
# every cell in the model has to be defined
# what version of modflow to use?
modflow_v = 'mfnwt' # 'mfnwt' or 'mf2005'
# where is your MODFLOW executable?
if (modflow_v == 'mf2005'):
if platform.system() == 'Windows':
path2mf = 'C:/Users/Sam/Dropbox/Work/Models/MODFLOW/MF2005.1_12/bin/mf2005.exe'
else:
path2mf = modflow_v
elif (modflow_v == 'mfnwt'):
if platform.system() == 'Windows':
path2mf = 'C:/Users/Sam/Dropbox/Work/Models/MODFLOW/MODFLOW-NWT_1.1.4/bin/MODFLOW-NWT.exe'
else:
path2mf = modflow_v
# set up super simple model
ml = mf.Modflow(modelname="testmodel", exe_name=path2mf, version=modflow_v)
dis = mf.ModflowDis(ml)
bas = mf.ModflowBas(ml)
oc = mf.ModflowOc(ml)
# choose solver package depending on modflow version
if (modflow_v == 'mf2005'):
lpf = mf.ModflowLpf(ml)
pcg = mf.ModflowPcg(ml)
elif (modflow_v == 'mfnwt'):
upw = mf.ModflowUpw(ml)
nwt = mf.ModflowNwt(ml)
ml.write_input()
ml.run_model()
