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Testing differential operators (Div, Grad, Curl)

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SEOGI KANG
2013-07-17 15:03:56 -07:00
parent 4e1e56b15a
commit 082df8f110
5 changed files with 319 additions and 16 deletions
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SimPEG/tests/test_div.py
+15 -12
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@@ -5,16 +5,18 @@ sys.path.append('../')
from TensorMesh import TensorMesh
from getDIV import getDivMatrix, getarea, getvol
# Define the mesh
err=0.
print '>> Test face Divergence operator'
for i in range(4):
icount=i+1;
nc = 2*icount;
h1 = np.pi/nc*np.ones((1,nc))
h2 = np.pi/nc*np.ones((1,nc))
h3 = np.pi/nc*np.ones((1,nc))
icount=i+1
nc = 2**icount
# Define the mesh
h1 = np.ones((1,nc))/nc
h2 = np.ones((1,nc))/nc
h3 = np.ones((1,nc))/nc
h = [h1, h2, h3]
x0 = -np.pi/2*np.ones((3, 1))
x0 = np.zeros((3, 1))
M = TensorMesh(h, x0)
#n = M.plotGrid()
@@ -34,12 +36,13 @@ for i in range(4):
area = getarea(h)
vol = getvol(h)
err = np.linalg.norm((divF-divF_anal)*np.sqrt(vol), 2)
#err = np.linalg.norm((divF-divF_anal)*np.sqrt(vol), 2)
err = np.linalg.norm((divF-divF_anal), np.inf)
if icount == 1:
err1 = err
print 'h | 2 norm | error ratio'
print 'h | inf norm | error ratio'
print '---------------------------------------'
print '%6.4f | %8.2e |'% (h1[0,0], err)
else:
print '%6.4f | %8.2e | %6.4f' % (h1[0,0], err, err1/err)
print '%6.4f | %8.2e | %6.4f' % (h1[0,0], err, err_old/err)
err_old = err