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test_modflow.py
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test_modflow.py
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import glob
import inspect
import os
import shutil
from pathlib import Path
import numpy as np
import pytest
from autotest.conftest import (
excludes_platform,
get_example_data_path,
requires_exe,
)
from flopy.discretization import StructuredGrid
from flopy.mf6 import MFSimulation
from flopy.modflow import (
Modflow,
ModflowBas,
ModflowDis,
ModflowDrn,
ModflowGhb,
ModflowLpf,
ModflowOc,
ModflowPcg,
ModflowRch,
ModflowRiv,
ModflowSfr2,
ModflowWel,
)
from flopy.mt3d import Mt3dBtn, Mt3dms
from flopy.seawat import Seawat
from flopy.utils import Util2d
@pytest.fixture
def model_reference_path(example_data_path) -> Path:
return example_data_path / "usgs.model.reference"
@pytest.fixture
def parameters_model_path(example_data_path):
return example_data_path / "parameters"
@pytest.mark.parametrize(
"namfile",
[Path("freyberg") / "freyberg.nam"]
+ [
Path("parameters") / f"{nf}.nam"
for nf in ["Oahu_01", "twrip", "twrip_upw"]
],
)
def test_modflow_load(namfile, example_data_path):
mpath = Path(example_data_path / namfile).parent
model = Modflow.load(
str(mpath / namfile.name),
verbose=True,
model_ws=str(mpath),
check=False,
)
assert isinstance(model, Modflow)
assert not model.load_fail
def test_modflow_load_when_nam_dne():
with pytest.raises(OSError):
Modflow.load("nonexistent.nam", check=False)
def test_mbase_modelgrid(tmpdir):
ml = Modflow(
modelname="test", xll=500.0, rotation=12.5, start_datetime="1/1/2016"
)
try:
print(ml.modelgrid.xcentergrid)
except:
pass
else:
raise Exception("should have failed")
dis = ModflowDis(ml, nrow=10, ncol=5, delr=np.arange(5))
assert ml.modelgrid.xoffset == 500
assert ml.modelgrid.yoffset == 0.0
assert ml.modelgrid.proj4 is None
ml.model_ws = tmpdir
ml.write_input()
ml1 = Modflow.load("test.nam", model_ws=ml.model_ws)
assert str(ml1.modelgrid) == str(ml.modelgrid)
assert ml1.start_datetime == ml.start_datetime
assert ml1.modelgrid.proj4 is None
def test_mt_modelgrid(tmpdir):
ml = Modflow(
modelname="test",
xll=500.0,
proj4_str="epsg:2193",
rotation=12.5,
start_datetime="1/1/2016",
)
dis = ModflowDis(ml, nrow=10, ncol=5, delr=np.arange(5))
assert ml.modelgrid.xoffset == 500
assert ml.modelgrid.yoffset == 0.0
assert ml.modelgrid.epsg == 2193
assert ml.modelgrid.idomain is None
ml.model_ws = tmpdir
mt = Mt3dms(
modelname="test_mt",
modflowmodel=ml,
model_ws=ml.model_ws,
verbose=True,
)
assert mt.modelgrid.xoffset == ml.modelgrid.xoffset
assert mt.modelgrid.yoffset == ml.modelgrid.yoffset
assert mt.modelgrid.epsg == ml.modelgrid.epsg
assert mt.modelgrid.angrot == ml.modelgrid.angrot
assert np.array_equal(mt.modelgrid.idomain, ml.modelgrid.idomain)
# no modflowmodel
swt = Seawat(
modelname="test_swt",
modflowmodel=None,
mt3dmodel=None,
model_ws=ml.model_ws,
verbose=True,
)
assert swt.modelgrid is swt.dis is swt.bas6 is None
# passing modflowmodel
swt = Seawat(
modelname="test_swt",
modflowmodel=ml,
mt3dmodel=mt,
model_ws=ml.model_ws,
verbose=True,
)
assert (
swt.modelgrid.xoffset == mt.modelgrid.xoffset == ml.modelgrid.xoffset
)
assert (
swt.modelgrid.yoffset == mt.modelgrid.yoffset == ml.modelgrid.yoffset
)
assert mt.modelgrid.epsg == ml.modelgrid.epsg == swt.modelgrid.epsg
assert mt.modelgrid.angrot == ml.modelgrid.angrot == swt.modelgrid.angrot
assert np.array_equal(mt.modelgrid.idomain, ml.modelgrid.idomain)
assert np.array_equal(swt.modelgrid.idomain, ml.modelgrid.idomain)
# bas and btn present
ibound = np.ones(ml.dis.botm.shape)
ibound[0][0:5] = 0
bas = ModflowBas(ml, ibound=ibound)
assert ml.modelgrid.idomain is not None
mt = Mt3dms(
modelname="test_mt",
modflowmodel=ml,
model_ws=ml.model_ws,
verbose=True,
)
btn = Mt3dBtn(mt, icbund=ml.bas6.ibound.array)
# reload swt
swt = Seawat(
modelname="test_swt",
modflowmodel=ml,
mt3dmodel=mt,
model_ws=ml.model_ws,
verbose=True,
)
assert (
ml.modelgrid.xoffset == mt.modelgrid.xoffset == swt.modelgrid.xoffset
)
assert (
mt.modelgrid.yoffset == ml.modelgrid.yoffset == swt.modelgrid.yoffset
)
assert mt.modelgrid.epsg == ml.modelgrid.epsg == swt.modelgrid.epsg
assert mt.modelgrid.angrot == ml.modelgrid.angrot == swt.modelgrid.angrot
assert np.array_equal(mt.modelgrid.idomain, ml.modelgrid.idomain)
assert np.array_equal(swt.modelgrid.idomain, ml.modelgrid.idomain)
def test_free_format_flag(tmpdir):
Lx = 100.0
Ly = 100.0
nlay = 1
nrow = 51
ncol = 51
delr = Lx / ncol
delc = Ly / nrow
top = 0
botm = [-1]
ms = Modflow(rotation=20.0)
dis = ModflowDis(
ms,
nlay=nlay,
nrow=nrow,
ncol=ncol,
delr=delr,
delc=delc,
top=top,
botm=botm,
)
bas = ModflowBas(ms, ifrefm=True)
assert ms.free_format_input == bas.ifrefm
ms.free_format_input = False
assert ms.free_format_input == bas.ifrefm
ms.free_format_input = True
bas.ifrefm = False
assert ms.free_format_input == bas.ifrefm
bas.ifrefm = True
assert ms.free_format_input == bas.ifrefm
ms.model_ws = tmpdir
ms.write_input()
ms1 = Modflow.load(ms.namefile, model_ws=ms.model_ws)
assert ms1.free_format_input == ms.free_format_input
assert ms1.free_format_input == ms1.bas6.ifrefm
ms1.free_format_input = False
assert ms1.free_format_input == ms1.bas6.ifrefm
bas.ifrefm = False
assert ms1.free_format_input == ms1.bas6.ifrefm
bas.ifrefm = True
assert ms1.free_format_input == ms1.bas6.ifrefm
def test_sr(tmpdir):
ws = str(tmpdir)
m = Modflow(
"test",
model_ws=ws,
xll=12345,
yll=12345,
proj4_str="test test test",
)
ModflowDis(m, 10, 10, 10)
m.write_input()
mm = Modflow.load("test.nam", model_ws=ws)
extents = mm.modelgrid.extent
if extents[2] != 12345:
raise AssertionError()
if extents[3] != 12355:
raise AssertionError()
if mm.modelgrid.proj4 != "test test test":
raise AssertionError()
mm.dis.top = 5000
if not np.allclose(mm.dis.top.array, mm.modelgrid.top):
raise AssertionError("modelgrid failed dynamic update test")
def test_mf6_update_grid(example_data_path):
ml_path = example_data_path / "mf6" / "test001a_Tharmonic"
sim = MFSimulation.load(sim_ws=str(ml_path))
gwf = sim.get_model("flow15")
mg = gwf.modelgrid
gwf.dis.top = 12
assert np.allclose(
gwf.dis.top.array, gwf.modelgrid.top
), "StructuredGrid failed dynamic update test"
# disv
ml_path = example_data_path / "mf6" / "test003_gwfs_disv"
sim = MFSimulation.load(sim_ws=str(ml_path))
gwf = sim.get_model("gwf_1")
mg = gwf.modelgrid
gwf.disv.top = 6.12
assert np.allclose(
gwf.disv.top.array, gwf.modelgrid.top
), "VertexGrid failed dynamic update test"
# disu
ml_path = example_data_path / "mf6" / "test006_gwf3"
sim = MFSimulation.load(sim_ws=str(ml_path))
gwf = sim.get_model("gwf_1")
mg = gwf.modelgrid
gwf.disu.top = 101
assert np.allclose(
gwf.disu.top.array, gwf.modelgrid.top
), "UnstructuredGrid failed dynamic update test"
def test_load_twri_grid(example_data_path):
mpath = example_data_path / "mf2005_test"
name = "twri.nam"
ml = Modflow.load(name, model_ws=str(mpath), check=False)
mg = ml.modelgrid
assert isinstance(
mg, StructuredGrid
), "modelgrid is not an StructuredGrid instance"
shape = (3, 15, 15)
assert (
mg.shape == shape
), f"modelgrid shape {mg.shape} not equal to {shape}"
thick = mg.thick
shape = (5, 15, 15)
assert (
thick.shape == shape
), f"thickness shape {thick.shape} not equal to {shape}"
def test_mg(tmpdir):
from flopy.utils import geometry
Lx = 100.0
Ly = 100.0
nlay = 1
nrow = 51
ncol = 51
delr = Lx / ncol
delc = Ly / nrow
top = 0
botm = [-1]
ms = Modflow()
dis = ModflowDis(
ms,
nlay=nlay,
nrow=nrow,
ncol=ncol,
delr=delr,
delc=delc,
top=top,
botm=botm,
)
bas = ModflowBas(ms, ifrefm=True)
t = ms.modelgrid.thick
# test instantiation of an empty basic Structured Grid
mg = StructuredGrid(dis.delc.array, dis.delr.array)
# test instantiation of Structured grid with offsets
mg = StructuredGrid(dis.delc.array, dis.delr.array, xoff=1, yoff=1)
assert abs(ms.modelgrid.extent[-1] - Ly) < 1e-3 # , txt
ms.modelgrid.set_coord_info(xoff=111, yoff=0)
assert ms.modelgrid.xoffset == 111
ms.modelgrid.set_coord_info()
xll, yll = 321.0, 123.0
angrot = 20.0
ms.modelgrid = StructuredGrid(
delc=ms.dis.delc.array,
delr=ms.dis.delr.array,
xoff=xll,
yoff=xll,
angrot=angrot,
lenuni=2,
)
# test that transform for arbitrary coordinates
# is working in same as transform for model grid
mg2 = StructuredGrid(
delc=ms.dis.delc.array, delr=ms.dis.delr.array, lenuni=2
)
x = mg2.xcellcenters[0]
y = mg2.ycellcenters[0]
mg2.set_coord_info(xoff=xll, yoff=yll, angrot=angrot)
xt, yt = geometry.transform(x, y, xll, yll, mg2.angrot_radians)
assert np.sum(xt - ms.modelgrid.xcellcenters[0]) < 1e-3
assert np.sum(yt - ms.modelgrid.ycellcenters[0]) < 1e-3
# test inverse transform
x0, y0 = 9.99, 2.49
x1, y1 = geometry.transform(x0, y0, xll, yll, angrot)
x2, y2 = geometry.transform(x1, y1, xll, yll, angrot, inverse=True)
assert np.abs(x2 - x0) < 1e-6
assert np.abs(y2 - y0) < 1e6
ms.start_datetime = "1-1-2016"
assert ms.start_datetime == "1-1-2016"
assert ms.dis.start_datetime == "1-1-2016"
ms.model_ws = tmpdir
ms.write_input()
ms1 = Modflow.load(ms.namefile, model_ws=ms.model_ws)
assert str(ms1.modelgrid) == str(ms.modelgrid)
assert ms1.start_datetime == ms.start_datetime
assert ms1.modelgrid.lenuni == ms.modelgrid.lenuni
def test_dynamic_xll_yll():
nlay, nrow, ncol = 1, 10, 5
delr, delc = 250, 500
xll, yll = 286.80, 29.03
# test scaling of length units
ms2 = Modflow()
dis = ModflowDis(
ms2, nlay=nlay, nrow=nrow, ncol=ncol, delr=delr, delc=delc
)
ms2.modelgrid.set_coord_info(xoff=xll, yoff=yll, angrot=30.0)
xll1, yll1 = ms2.modelgrid.xoffset, ms2.modelgrid.yoffset
assert xll1 == xll, f"modelgrid.xoffset ({xll1}) is not equal to {xll}"
assert yll1 == yll, f"modelgrid.yoffset ({yll1}) is not equal to {yll}"
# check that xll, yll are being recomputed
xll += 10.0
yll += 21.0
ms2.modelgrid.set_coord_info(xoff=xll, yoff=yll, angrot=30.0)
xll1, yll1 = ms2.modelgrid.xoffset, ms2.modelgrid.yoffset
assert xll1 == xll, f"modelgrid.xoffset ({xll1}) is not equal to {xll}"
assert yll1 == yll, f"modelgrid.yoffset ({yll1}) is not equal to {yll}"
def test_namfile_readwrite(tmpdir, example_data_path):
nlay, nrow, ncol = 1, 30, 5
delr, delc = 250, 500
xll, yll = 272300, 5086000
ws = str(tmpdir)
m = Modflow(modelname="junk", model_ws=ws)
dis = ModflowDis(m, nlay=nlay, nrow=nrow, ncol=ncol, delr=delr, delc=delc)
m.modelgrid = StructuredGrid(
delc=m.dis.delc.array,
delr=m.dis.delr.array,
top=m.dis.top.array,
botm=m.dis.botm.array,
# lenuni=3,
# length_multiplier=.3048,
xoff=xll,
yoff=yll,
angrot=30,
)
# test reading and writing of SR information to namfile
m.write_input()
m2 = Modflow.load("junk.nam", model_ws=ws)
t_value = abs(m2.modelgrid.xoffset - xll)
msg = f"m2.modelgrid.xoffset ({m2.modelgrid.xoffset}) does not equal {xll}"
assert t_value < 1e-2, msg
t_value = abs(m2.modelgrid.yoffset - yll)
msg = f"m2.modelgrid.yoffset ({m2.modelgrid.yoffset}) does not equal {yll}"
assert t_value < 1e-2
msg = f"m2.modelgrid.angrot ({m2.modelgrid.angrot}) does not equal 30"
assert m2.modelgrid.angrot == 30, msg
ml = Modflow.load(
"freyberg.nam",
model_ws=str(example_data_path / "freyberg_multilayer_transient"),
verbose=False,
check=False,
exe_name="mfnwt",
)
assert ml.modelgrid.xoffset == ml.modelgrid._xul_to_xll(619653)
assert ml.modelgrid.yoffset == ml.modelgrid._yul_to_yll(3353277)
assert ml.modelgrid.angrot == 15.0
def test_read_usgs_model_reference(tmpdir, model_reference_path):
nlay, nrow, ncol = 1, 30, 5
delr, delc = 250, 500
# xll, yll = 272300, 5086000
mrf_path = tmpdir / model_reference_path.name
shutil.copy(model_reference_path, mrf_path)
xul, yul = 0, 0
with open(mrf_path) as foo:
for line in foo:
if "xul" in line.lower():
xul = float(line.strip().split()[1])
elif "yul" in line.lower():
yul = float(line.strip().split()[1])
else:
continue
ws = str(tmpdir)
m = Modflow(modelname="junk", model_ws=ws)
# feet and days
dis = ModflowDis(
m,
nlay=nlay,
nrow=nrow,
ncol=ncol,
delr=delr,
delc=delc,
lenuni=1,
itmuni=4,
)
m.write_input()
# test reading of SR information from usgs.model.reference
m2 = Modflow.load("junk.nam", model_ws=ws)
from flopy.discretization import StructuredGrid
mg = StructuredGrid(delr=dis.delr.array, delc=dis.delc.array)
mg.read_usgs_model_reference_file(mrf_path)
m2.modelgrid = mg
if abs(mg.xvertices[0, 0] - xul) > 0.01:
raise AssertionError()
if abs(mg.yvertices[0, 0] - yul) > 0.01:
raise AssertionError
assert m2.modelgrid.xoffset == mg.xoffset
assert m2.modelgrid.yoffset == mg.yoffset
assert m2.modelgrid.angrot == mg.angrot
assert m2.modelgrid.epsg == mg.epsg
# test reading non-default units from usgs.model.reference
shutil.copy(mrf_path, f"{mrf_path}_copy")
with open(f"{mrf_path}_copy") as src:
with open(mrf_path, "w") as dst:
for line in src:
if "epsg" in line:
line = line.replace("102733", "4326")
dst.write(line)
m2 = Modflow.load("junk.nam", model_ws=ws)
m2.modelgrid.read_usgs_model_reference_file(mrf_path)
assert m2.modelgrid.epsg == 4326
# have to delete this, otherwise it will mess up other tests
to_del = glob.glob(f"{mrf_path}*")
for f in to_del:
if os.path.exists(f):
os.remove(os.path.join(f))
def mf2005_model_namfiles():
path = get_example_data_path() / "mf2005_test"
return [str(p) for p in path.glob("*.nam")]
def parameters_model_namfiles():
path = get_example_data_path() / "parameters"
skip = ["twrip.nam", "twrip_upw.nam"] # TODO: why do these fail?
return [str(p) for p in path.glob("*.nam") if p.name not in skip]
@requires_exe("mf2005")
@pytest.mark.parametrize(
"namfile", mf2005_model_namfiles() + parameters_model_namfiles()
)
def test_mf2005_test_models_load(example_data_path, namfile):
assert not Modflow.load(
namfile,
model_ws=str(example_data_path / "mf2005_test"),
version="mf2005",
verbose=True,
).load_fail
@requires_exe("mf2005")
@pytest.mark.parametrize("namfile", parameters_model_namfiles())
def test_parameters_models_load(parameters_model_path, namfile):
assert not Modflow.load(
namfile,
model_ws=str(parameters_model_path),
version="mf2005",
verbose=True,
).load_fail
@pytest.mark.parametrize("namfile", mf2005_model_namfiles())
def test_mf2005_test_models_loadonly(example_data_path, namfile):
assert not Modflow.load(
str(namfile),
model_ws=str(example_data_path / "mf2005_test"),
version="mf2005",
verbose=True,
load_only=["bas6"],
check=False,
).load_fail
@pytest.mark.slow
def test_write_irch(tmpdir, example_data_path):
mpath = example_data_path / "freyberg_multilayer_transient"
nam_file = "freyberg.nam"
m = Modflow.load(
nam_file,
model_ws=str(mpath),
check=False,
forgive=False,
verbose=True,
)
irch = {}
for kper in range(m.nper):
arr = np.random.randint(0, m.nlay, size=(m.nrow, m.ncol))
irch[kper] = arr
m.remove_package("RCH")
ModflowRch(m, rech=0.1, irch=irch, nrchop=2)
for kper in range(m.nper):
arr = irch[kper]
aarr = m.rch.irch[kper].array
d = arr - aarr
assert np.abs(d).sum() == 0
m.change_model_ws(str(tmpdir))
m.write_input()
mm = Modflow.load(
nam_file,
model_ws=str(tmpdir),
forgive=False,
verbose=True,
check=False,
)
for kper in range(m.nper):
arr = irch[kper]
aarr = mm.rch.irch[kper].array
d = arr - aarr
assert np.abs(d).sum() == 0
def test_mflist_external(tmpdir):
ext = tmpdir / "ws"
ml = Modflow(
"mflist_test",
model_ws=str(tmpdir),
external_path=ext.name,
)
dis = 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 = ModflowWel(ml, stress_period_data=wel_data)
ml.change_model_ws(str(ext))
ml.write_input()
ml1 = Modflow.load(
"mflist_test.nam",
model_ws=str(ext),
verbose=True,
forgive=False,
check=False,
)
assert np.array_equal(ml.wel[0], ml1.wel[0])
assert np.array_equal(ml.wel[1], ml1.wel[1])
ml1.write_input()
# ml = Modflow(
# "mflist_test",
# model_ws=str(tmpdir),
# external_path=str(tmpdir / "ref"),
# )
# dis = 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 = ModflowWel(ml, stress_period_data=wel_data)
# ml.write_input()
# ml1 = Modflow.load(
# "mflist_test.nam",
# model_ws=ml.model_ws,
# verbose=True,
# forgive=False,
# check=False,
# )
# assert np.array_equal(ml.wel[0], ml1.wel[0])
# assert np.array_equal(ml.wel[1], ml1.wel[1])
# ml1.write_input()
@excludes_platform("windows", ci_only=True)
def test_single_mflist_entry_load(tmpdir, example_data_path):
m = Modflow.load(
"freyberg.nam",
model_ws=str(example_data_path / "freyberg"),
load_only=["WEL"],
check=False,
)
w = m.wel
spd = w.stress_period_data
ModflowWel(m, stress_period_data={0: [0, 0, 0, 0.0]})
m.external_path = "external"
m.change_model_ws(str(tmpdir), reset_external=True)
m.write_input()
mm = Modflow.load(
"freyberg.nam",
model_ws=str(tmpdir),
forgive=False,
)
assert mm.wel.stress_period_data
mm.write_input()
def test_mflist_add_record():
ml = Modflow()
_ = ModflowDis(ml, nper=2)
wel = ModflowWel(ml)
assert len(wel.stress_period_data.data) == 0
wel.stress_period_data.add_record(0, [0, 1, 2], [1.0])
assert len(wel.stress_period_data.data) == 1
wel_dtype = [("k", int), ("i", int), ("j", int), ("flux", np.float32)]
check0 = np.array([(0, 1, 2, 1.0)], dtype=wel_dtype)
np.testing.assert_array_equal(wel.stress_period_data[0], check0)
wel.stress_period_data.add_record(0, [0, 1, 1], [8.0])
assert len(wel.stress_period_data.data) == 1
check0 = np.array([(0, 1, 2, 1.0), (0, 1, 1, 8.0)], dtype=wel_dtype)
np.testing.assert_array_equal(wel.stress_period_data[0], check0)
wel.stress_period_data.add_record(1, [0, 1, 1], [5.0])
assert len(wel.stress_period_data.data) == 2
check1 = np.array([(0, 1, 1, 5.0)], dtype=wel_dtype)
np.testing.assert_array_equal(wel.stress_period_data[0], check0)
np.testing.assert_array_equal(wel.stress_period_data[1], check1)
__mf2005_test_path = get_example_data_path() / "mf2005_test"
@pytest.mark.parametrize(
"namfile",
[
os.path.join(__mf2005_test_path, f)
for f in os.listdir(__mf2005_test_path)
if f.endswith(".nam")
],
)
def test_checker_on_load(namfile):
# load all of the models in the mf2005_test folder
# model level checks are performed by default on load()
f = os.path.basename(namfile)
d = os.path.dirname(namfile)
m = Modflow.load(f, model_ws=d)
assert isinstance(m, Modflow), "Not a Modflow instance"
def test_bcs_check(tmpdir):
mf = Modflow(version="mf2005", model_ws=str(tmpdir))
# test check for isolated cells
dis = ModflowDis(mf, nlay=2, nrow=3, ncol=3, top=100, botm=95)
bas = ModflowBas(mf, ibound=np.ones((2, 3, 3), dtype=int))
chk = bas.check()
dis = ModflowDis(mf, nlay=3, nrow=5, ncol=5, top=100, botm=95)
ibound = np.zeros((3, 5, 5), dtype=int)
ibound[1, 1, 1] = 1 # fully isolated cell
ibound[0:2, 4, 4] = 1 # cell connected vertically to one other cell
bas = ModflowBas(mf, ibound=ibound)
mf._mg_resync = True
chk = bas.check()
assert chk.summary_array["desc"][0] == "isolated cells in ibound array"
assert (
chk.summary_array.i[0] == 1
and chk.summary_array.i[0] == 1
and chk.summary_array.j[0] == 1
)
assert len(chk.summary_array) == 1
ghb = ModflowGhb(mf, stress_period_data={0: [0, 0, 0, 100, 1]})
riv = ModflowRiv(
mf,
stress_period_data={
0: [[0, 0, 0, 101, 10, 100], [0, 0, 1, 80, 10, 90]]
},
)
chk = ghb.check()
assert chk.summary_array["desc"][0] == "BC in inactive cell"
chk = riv.check()
assert chk.summary_array["desc"][4] == "RIV stage below rbots"
assert np.array_equal(chk.summary_array["j"], np.array([0, 1, 1, 1, 1]))
def test_properties_check(tmpdir):
mf = Modflow(
version="mf2005",
model_ws=str(tmpdir),
)
dis = ModflowDis(
mf,
nrow=2,
ncol=2,
top=np.array([[100, np.nan], [100, 100]]),
nper=3,
steady=True,
)
chk = dis.check()
assert len(chk.summary_array) == 1
kij = (
chk.summary_array["k"][0],
chk.summary_array["i"][0],
chk.summary_array["j"][0],
)
assert kij == (0, 0, 1)
lpf = ModflowLpf(mf, sy=np.ones((2, 2)), ss=np.ones((2, 2)))
chk = lpf.check()
assert len(chk.summary_array) == 0
# test k values check
lpf = ModflowLpf(
mf,
hk=np.array([[1, 1e10], [1, -1]]),
hani=np.array([[1, 1], [1, -1]]),
vka=np.array([[1e10, 0], [1, 1e-20]]),
)
chk = lpf.check()
ind1 = np.array(
[
True if list(inds) == [0, 1, 1] else False
for inds in chk.view_summary_array_fields(["k", "i", "j"])
]
)
ind1_errors = chk.summary_array[ind1]["desc"]
ind2 = np.array(
[
True if list(inds) == [0, 0, 1] else False
for inds in chk.view_summary_array_fields(["k", "i", "j"])
]
)
ind2_errors = chk.summary_array[ind2]["desc"]
ind3 = np.array(
[
True if list(inds) == [0, 0, 0] else False
for inds in chk.view_summary_array_fields(["k", "i", "j"])
]
)
ind3_errors = chk.summary_array[ind3]["desc"]
assert (
"zero or negative horizontal hydraulic conductivity values"
in ind1_errors
)
assert (
"horizontal hydraulic conductivity values below checker threshold of 1e-11"
in ind1_errors
)
assert "negative horizontal anisotropy values" in ind1_errors
assert (
"vertical hydraulic conductivity values below checker threshold of 1e-11"
in ind1_errors
)
assert (
"horizontal hydraulic conductivity values above checker threshold of 100000.0"
in ind2_errors
)
assert (
"zero or negative vertical hydraulic conductivity values"
in ind2_errors
)
assert (
"vertical hydraulic conductivity values above checker threshold of 100000.0"
in ind3_errors
)
def test_oc_check():
m = Modflow()
oc = ModflowOc(m)
chk = oc.check()
assert len(chk.summary_array) == 1, len(chk.summary_array)
assert "DIS package not available" in chk.summary_array[0]["desc"]
ModflowDis(m)
oc.stress_period_data = {(0, 0): ["save head", "save budget"]}
chk = oc.check() # check passsed
assert len(chk.summary_array) == 0, len(chk.summary_array)
oc.stress_period_data = {(0, 0): ["save"]}
chk = oc.check()
assert len(chk.summary_array) == 1, len(chk.summary_array)
assert "too few words" in chk.summary_array[0]["desc"]
oc.stress_period_data = {(0, 0): ["save it"]}
chk = oc.check()
assert len(chk.summary_array) == 1, len(chk.summary_array)
assert "action 'save it' ignored" in chk.summary_array[0]["desc"]
oc.stress_period_data = {(1, 1): ["save head", "save budget"]}
chk = oc.check()
assert len(chk.summary_array) == 1, len(chk.summary_array)
assert "OC stress_period_data ignored" in chk.summary_array[0]["desc"]
def test_rchload(tmpdir):
nlay = 2
nrow = 3
ncol = 4
nper = 2
# create model 1
ws = str(tmpdir)
m1 = Modflow("rchload1", model_ws=ws)
dis1 = ModflowDis(m1, nlay=nlay, nrow=nrow, ncol=ncol, nper=nper)
a = np.random.random((nrow, ncol))
rech1 = Util2d(
m1, (nrow, ncol), np.float32, a, "rech", cnstnt=1.0, how="openclose"
)
rch1 = ModflowRch(m1, rech={0: rech1})
m1.write_input()
# load model 1
m1l = Modflow.load("rchload1.nam", model_ws=ws)
a1 = rech1.array
a2 = m1l.rch.rech[0].array
assert np.allclose(a1, a2)
a2 = m1l.rch.rech[1].array
assert np.allclose(a1, a2)
m2 = Modflow("rchload2", model_ws=ws)
dis2 = ModflowDis(m2, nlay=nlay, nrow=nrow, ncol=ncol, nper=nper)
a = np.random.random((nrow, ncol))
rech2 = Util2d(
m2, (nrow, ncol), np.float32, a, "rech", cnstnt=2.0, how="openclose"
)
rch2 = ModflowRch(m2, rech={0: rech2})
m2.write_input()
# load model 2
m2l = Modflow.load("rchload2.nam", model_ws=ws)
a1 = rech2.array
a2 = m2l.rch.rech[0].array
assert np.allclose(a1, a2)
a2 = m2l.rch.rech[1].array
assert np.allclose(a1, a2)
def test_default_oc_stress_period_data(tmpdir):
m = Modflow(model_ws=str(tmpdir), verbose=True)
dis = ModflowDis(m, nper=10, perlen=10.0, nstp=5)
bas = ModflowBas(m)
lpf = ModflowLpf(m, ipakcb=100)
wel_data = {0: [[0, 0, 0, -1000.0]]}
wel = ModflowWel(m, ipakcb=101, stress_period_data=wel_data)
# spd = {(0, 0): ['save head', 'save budget']}
oc = ModflowOc(m, stress_period_data=None)
spd_oc = oc.stress_period_data
tups = list(spd_oc.keys())
kpers = [t[0] for t in tups]
assert len(kpers) == m.nper
kstps = [t[1] for t in tups]
assert max(kstps) == 4
assert min(kstps) == 4
m.write_input()
def test_mfcbc(tmpdir):
m = Modflow(verbose=True, model_ws=str(tmpdir))
dis = ModflowDis(m)
bas = ModflowBas(m)
lpf = ModflowLpf(m, ipakcb=100)
wel_data = {0: [[0, 0, 0, -1000.0]]}
wel = ModflowWel(m, ipakcb=101, stress_period_data=wel_data)
spd = {(0, 0): ["save head", "save budget"]}
oc = ModflowOc(m, stress_period_data=spd)
t = oc.get_budgetunit()
assert t == [100, 101], f"budget units are {t} not [100, 101]"
nlay = 3
nrow = 3
ncol = 3
ml = Modflow(modelname="t1", model_ws=str(tmpdir), verbose=True)
dis = ModflowDis(
ml, nlay=nlay, nrow=nrow, ncol=ncol, top=0, botm=[-1.0, -2.0, -3.0]
)
ibound = np.ones((nlay, nrow, ncol), dtype=int)
ibound[0, 1, 1] = 0
ibound[0, 0, -1] = -1
bas = ModflowBas(ml, ibound=ibound)
lpf = ModflowLpf(ml, ipakcb=102)
wel_data = {0: [[2, 2, 2, -1000.0]]}
wel = ModflowWel(ml, ipakcb=100, stress_period_data=wel_data)
oc = ModflowOc(ml)
oc.reset_budgetunit(budgetunit=1053, fname="big.bin")
msg = (
f"wel ipakcb ({wel.ipakcb}) "
"not set correctly to 1053 using oc.resetbudgetunit()"
)
assert wel.ipakcb == 1053, msg
ml.write_input()