def test_gravityColumn(self):
import numpy as np
import prst
import prst.incomp as incomp
import prst.gridprocessing as gridprocessing
import prst.utils as utils
import prst.params as params
import prst.solvers as solvers
from prst.utils.units import centi, poise, kilogram, meter, bar, darcy
prst.gravity_reset()
G = gridprocessing.cartGrid([1, 1, 30], [1, 1, 30])
gridprocessing.computeGeometry(G)
rock = params.rock.Rock(G, perm=0.1*darcy, poro=1)
fluid = incomp.fluid.SingleFluid(viscosity=1*centi*poise,
density=1014*kilogram/meter**3)
bc = params.wells_and_bc.BoundaryCondition()
bc.addPressureSide(G, "top", 100*bar)
T = solvers.computeTrans(G, rock)
resSol = solvers.initResSol(G, p0=0.0)
psol = incomp.incompTPFA(resSol, G, T, fluid, bc=bc)
# Load MRST results and compare solution pressure, flux, saturation,
# facePressure.
matfile = getpath("test_example_gravityColumn/sol.mat")
msol = loadmat(matfile, squeeze_me=True, struct_as_record=False)["sol"]
msol_pressure = np.atleast_2d(msol.pressure).transpose()
msol_flux = np.atleast_2d(msol.flux).transpose()
msol_s = np.atleast_2d(msol.s).transpose()
msol_facePressure = np.atleast_2d(msol.facePressure).transpose()
assert np.allclose(psol.pressure, msol_pressure, rtol=1e-11)
assert np.allclose(psol.flux, msol_flux, rtol=1e-11)
assert np.allclose(psol.s, msol_s, rtol=1e-11)
assert np.allclose(psol.facePressure, msol_facePressure, rtol=1e-11)
def test_gravity_reset(self):
prst.gravity = np.array([0, 0, 0])
prst.gravity_reset()
assert np.linalg.norm(prst.gravity) > 9