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play with fwd

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seogi_macbook
2015-11-26 15:06:22 -08:00
parent fc0a413b3c
commit 898215222a
7 changed files with 2105 additions and 534 deletions
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notebooks/CircModel-Copy1.ipynb
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notebooks/CircModel.ipynb
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notebooks/DC forward.ipynb
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notebooks/DC_schumberger_FWD.ipynb
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notebooks/DCexample.ipynb
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notebooks/IPinverse.ipynb
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simpegDCIP/BaseDC.py
+16 -14
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@@ -15,29 +15,31 @@ class FieldsDC_CC(Problem.Fields):
def startup(self):
self._cellGrad = self.survey.prob.mesh.cellGrad
self._Mfinv = self.survey.prob.mesh.getFaceInnerProduct(invMat=True)
def _phi(self, phi_sol, srcList):
phi = phi_sol
for i, src in enumerate(srcList):
phi_p = src.phi_p(self.survey.prob)
if phi_p is not None:
phi[:,i] += phi_p
# for i, src in enumerate(srcList):
# phi_p = src.phi_p(self.survey.prob)
# if phi_p is not None:
# phi[:,i] += phi_p
return phi
def _e(self, phi_sol, srcList):
e = -self._cellGrad*phi_sol
for i, src in enumerate(srcList):
e_p = src.e_p(self.survey.prob)
if e_p is not None:
e[:,i] += e_p
# for i, src in enumerate(srcList):
# e_p = src.e_p(self.survey.prob)
# if e_p is not None:
# e[:,i] += e_p
return e
def _j(self, phi_sol, srcList):
j = -self.survey.prob.Msig*self._cellGrad*phi_sol
for i, src in enumerate(srcList):
j_p = src.j_p(self.survey.prob)
if j_p is not None:
j[:,i] += j_p
j = -self._Mfinv*self.survey.prob.Msig*self._cellGrad*phi_sol
# for i, src in enumerate(srcList):
# j_p = src.j_p(self.survey.prob)
# if j_p is not None:
# j[:,i] += j_p
return j
@@ -176,7 +178,7 @@ class ProblemDC_CC(Problem.BaseProblem):
G = self.mesh.cellGrad
self._A = D*self.Msig*G
# Remove the null space from the matrix.
self._A[-1,-1] /= self.mesh.vol[-1]
self._A[0,0] /= self.mesh.vol[0]
self._A = self._A.tocsc()
return self._A