Files
simpeg/simpegEM/Tests/test_forward_EMproblem.py
T
2014-02-11 16:41:17 -08:00

53 lines
1.4 KiB
Python

import unittest
from SimPEG import *
import simpegEM as EM
from scipy.constants import mu_0
from simpegEM.Utils.Ana import hzAnalyticDipoleT
class EMProblemTests(unittest.TestCase):
def setUp(self):
cs = 5.
ncx = 20
ncy = 6
npad = 20
hx = Utils.meshTensors(((0,cs), (ncx,cs), (npad,cs)))
hy = Utils.meshTensors(((npad,cs), (ncy,cs), (npad,cs)))
mesh = Mesh.Cyl1DMesh([hx,hy], -hy.sum()/2)
model = Model.Vertical1DModel(mesh)
opts = {'txLoc':0.,
'txType':'VMD_MVP',
'rxLoc':np.r_[150., 0.],
'rxType':'bz',
'timeCh':np.logspace(-4,-2,20),
}
self.dat = EM.TDEM.DataTDEM1D(**opts)
self.prb = EM.TDEM.ProblemTDEM_b(mesh, model)
self.prb.setTimes([1e-5, 5e-5, 2.5e-4], [150, 150, 150])
self.sigma = np.ones(mesh.nCz)*1e-8
self.sigma[mesh.vectorCCz<0] = 0.1
self.prb.pair(self.dat)
def test_analitic_b(self):
bz_calc = self.dat.dpred(self.sigma)
bz_ana = mu_0*hzAnalyticDipoleT(self.dat.rxLoc[0], self.prb.times, self.sigma[0])
diff = np.linalg.norm(bz_calc.flatten() - bz_ana.flatten())/np.linalg.norm(bz_ana.flatten())
print diff
self.assertTrue(diff<0.05)
def test_awesome(self):
self.assertTrue(True)
if __name__ == '__main__':
unittest.main()