mirror of
https://github.com/wassname/simpeg.git
synced 2026-06-27 20:53:38 +08:00
@@ -61,6 +61,15 @@ class BaseEMProblem(Problem.BaseProblem):
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self._Me = self.mesh.getEdgeInnerProduct()
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return self._Me
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@property
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def MeI(self):
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"""
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Edge inner product matrix
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"""
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if getattr(self, '_MeI', None) is None:
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self._MeI = self.mesh.getEdgeInnerProduct(invMat=True)
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return self._MeI
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@property
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def Mf(self):
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"""
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@@ -70,6 +79,15 @@ class BaseEMProblem(Problem.BaseProblem):
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self._Mf = self.mesh.getFaceInnerProduct()
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return self._Mf
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@property
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def MfI(self):
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"""
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Face inner product matrix
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"""
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if getattr(self, '_MfI', None) is None:
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self._MfI = self.mesh.getFaceInnerProduct(invMat=True)
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return self._MfI
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# ----- Magnetic Permeability ----- #
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@property
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@@ -160,9 +160,9 @@ class Fields(SimPEG.Problem.Fields):
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return self._jDeriv_u(src, v, adjoint), self._jDeriv_m(src, v, adjoint)
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return np.array(self._jDeriv_u(src, du_dm_v, adjoint) + self._jDeriv_m(src, v, adjoint), dtype = complex)
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class Fields_e(Fields):
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class Fields3D_e(Fields):
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"""
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Fields object for Problem_e.
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Fields object for Problem3D_e.
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:param Mesh mesh: mesh
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:param Survey survey: survey
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@@ -426,9 +426,9 @@ class Fields_e(Fields):
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class Fields_b(Fields):
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class Fields3D_b(Fields):
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"""
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Fields object for Problem_b.
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Fields object for Problem3D_b.
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:param Mesh mesh: mesh
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:param Survey survey: survey
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@@ -693,9 +693,9 @@ class Fields_b(Fields):
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return Zero()
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class Fields_j(Fields):
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class Fields3D_j(Fields):
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"""
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Fields object for Problem_j.
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Fields object for Problem3D_j.
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:param Mesh mesh: mesh
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:param Survey survey: survey
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@@ -988,9 +988,9 @@ class Fields_j(Fields):
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return 1./(1j * omega(src.freq)) * VI * (self._aveE2CCV * ( s_mDeriv(v) - self._edgeCurl.T * ( self._MfRhoDeriv(jSolution) * v ) ) )
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class Fields_h(Fields):
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class Fields3D_h(Fields):
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"""
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Fields object for Problem_h.
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Fields object for Problem3D_h.
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:param Mesh mesh: mesh
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:param Survey survey: survey
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@@ -1,7 +1,7 @@
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from SimPEG import Problem, Utils, np, sp, Solver as SimpegSolver
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from scipy.constants import mu_0
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from SurveyFDEM import Survey as SurveyFDEM
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from FieldsFDEM import Fields, Fields_e, Fields_b, Fields_h, Fields_j
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from FieldsFDEM import Fields, Fields3D_e, Fields3D_b, Fields3D_h, Fields3D_j
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from SimPEG.EM.Base import BaseEMProblem
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from SimPEG.EM.Utils import omega
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@@ -17,8 +17,8 @@ class BaseFDEMProblem(BaseEMProblem):
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\mathbf{C} \mathbf{e} + i \omega \mathbf{b} = \mathbf{s_m} \\\\
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{\mathbf{C}^{\\top} \mathbf{M_{\mu^{-1}}^f} \mathbf{b} - \mathbf{M_{\sigma}^e} \mathbf{e} = \mathbf{s_e}}
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if using the E-B formulation (:code:`Problem_e`
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or :code:`Problem_b`). Note that in this case, :math:`\mathbf{s_e}` is an integrated quantity.
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if using the E-B formulation (:code:`Problem3D_e`
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or :code:`Problem3D_b`). Note that in this case, :math:`\mathbf{s_e}` is an integrated quantity.
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If we write Maxwell's equations in terms of
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\\\(\\\mathbf{h}\\\) and current density \\\(\\\mathbf{j}\\\)
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@@ -28,7 +28,7 @@ class BaseFDEMProblem(BaseEMProblem):
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\mathbf{C}^{\\top} \mathbf{M_{\\rho}^f} \mathbf{j} + i \omega \mathbf{M_{\mu}^e} \mathbf{h} = \mathbf{s_m} \\\\
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\mathbf{C} \mathbf{h} - \mathbf{j} = \mathbf{s_e}
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if using the H-J formulation (:code:`Problem_j` or :code:`Problem_h`). Note that here, :math:`\mathbf{s_m}` is an integrated quantity.
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if using the H-J formulation (:code:`Problem3D_j` or :code:`Problem3D_h`). Note that here, :math:`\mathbf{s_m}` is an integrated quantity.
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The problem performs the elimination so that we are solving the system for \\\(\\\mathbf{e},\\\mathbf{b},\\\mathbf{j} \\\) or \\\(\\\mathbf{h}\\\)
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"""
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@@ -87,7 +87,7 @@ class BaseFDEMProblem(BaseEMProblem):
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du_dm_v = Ainv * ( - dA_dm_v + dRHS_dm_v )
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for rx in src.rxList:
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df_dmFun = getattr(f, '_%sDeriv'%rx.projField, None)
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df_dmFun = getattr(f, '_{0}Deriv'.format(rx.projField), None)
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df_dm_v = df_dmFun(src, du_dm_v, v, adjoint=False)
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Jv[src, rx] = rx.evalDeriv(src, self.mesh, f, df_dm_v)
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Ainv.clean()
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@@ -125,7 +125,7 @@ class BaseFDEMProblem(BaseEMProblem):
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for rx in src.rxList:
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PTv = rx.evalDeriv(src, self.mesh, f, v[src, rx], adjoint=True) # wrt f, need possibility wrt m
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df_duTFun = getattr(f, '_%sDeriv'%rx.projField, None)
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df_duTFun = getattr(f, '_{0}Deriv'.format(rx.projField), None)
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df_duT, df_dmT = df_duTFun(src, None, PTv, adjoint=True)
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ATinvdf_duT = ATinv * df_duT
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@@ -137,10 +137,9 @@ class BaseFDEMProblem(BaseEMProblem):
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df_dmT = df_dmT + du_dmT
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# TODO: this should be taken care of by the reciever?
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real_or_imag = rx.projComp
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if real_or_imag is 'real':
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if rx.component is 'real':
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Jtv += np.array(df_dmT, dtype=complex).real
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elif real_or_imag is 'imag':
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elif rx.component is 'imag':
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Jtv += - np.array(df_dmT, dtype=complex).real
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else:
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raise Exception('Must be real or imag')
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@@ -177,7 +176,7 @@ class BaseFDEMProblem(BaseEMProblem):
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################################ E-B Formulation #########################################
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##########################################################################################
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class Problem_e(BaseFDEMProblem):
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class Problem3D_e(BaseFDEMProblem):
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"""
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By eliminating the magnetic flux density using
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@@ -199,7 +198,7 @@ class Problem_e(BaseFDEMProblem):
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_solutionType = 'eSolution'
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_formulation = 'EB'
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fieldsPair = Fields_e
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fieldsPair = Fields3D_e
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def __init__(self, mesh, **kwargs):
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BaseFDEMProblem.__init__(self, mesh, **kwargs)
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@@ -288,7 +287,7 @@ class Problem_e(BaseFDEMProblem):
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return C.T * (MfMui * s_mDeriv(v)) -1j * omega(freq) * s_eDeriv(v)
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class Problem_b(BaseFDEMProblem):
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class Problem3D_b(BaseFDEMProblem):
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"""
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We eliminate :math:`\mathbf{e}` using
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@@ -310,7 +309,7 @@ class Problem_b(BaseFDEMProblem):
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_solutionType = 'bSolution'
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_formulation = 'EB'
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fieldsPair = Fields_b
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fieldsPair = Fields3D_b
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def __init__(self, mesh, **kwargs):
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BaseFDEMProblem.__init__(self, mesh, **kwargs)
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@@ -436,7 +435,7 @@ class Problem_b(BaseFDEMProblem):
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##########################################################################################
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class Problem_j(BaseFDEMProblem):
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class Problem3D_j(BaseFDEMProblem):
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"""
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We eliminate \\\(\\\mathbf{h}\\\) using
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@@ -458,7 +457,7 @@ class Problem_j(BaseFDEMProblem):
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_solutionType = 'jSolution'
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_formulation = 'HJ'
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fieldsPair = Fields_j
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fieldsPair = Fields3D_j
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def __init__(self, mesh, **kwargs):
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BaseFDEMProblem.__init__(self, mesh, **kwargs)
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@@ -577,7 +576,7 @@ class Problem_j(BaseFDEMProblem):
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class Problem_h(BaseFDEMProblem):
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class Problem3D_h(BaseFDEMProblem):
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"""
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We eliminate \\\(\\\mathbf{j}\\\) using
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@@ -596,7 +595,7 @@ class Problem_h(BaseFDEMProblem):
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_solutionType = 'hSolution'
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_formulation = 'HJ'
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fieldsPair = Fields_h
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fieldsPair = Fields3D_h
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def __init__(self, mesh, **kwargs):
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BaseFDEMProblem.__init__(self, mesh, **kwargs)
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@@ -0,0 +1,126 @@
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import SimPEG
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from SimPEG import sp
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class BaseRx(SimPEG.Survey.BaseRx):
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"""
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Frequency domain receiver base class
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:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
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:param string orientation: receiver orientation 'x', 'y' or 'z'
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:param string component: real or imaginary component 'real' or 'imag'
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"""
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def __init__(self, locs, orientation=None, component=None):
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assert(orientation in ['x','y','z']), "Orientation %s not known. Orientation must be in 'x', 'y', 'z'. Arbitrary orientations have not yet been implemented."%orientation
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assert(component in ['real', 'imag']), "'component' must be 'real' or 'imag', not %s"%component
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self.projComp = orientation
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self.component = component
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SimPEG.Survey.BaseRx.__init__(self, locs, rxType=None) #TODO: remove rxType from baseRx
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def projGLoc(self, u):
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"""Grid Location projection (e.g. Ex Fy ...)"""
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return u._GLoc(self.projField) + self.projComp
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def eval(self, src, mesh, f):
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"""
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Project fields to recievers to get data.
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:param Source src: FDEM source
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:param Mesh mesh: mesh used
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:param Fields f: fields object
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:rtype: numpy.ndarray
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:return: fields projected to recievers
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"""
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P = self.getP(mesh, self.projGLoc(f))
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f_part_complex = f[src, self.projField]
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f_part = getattr(f_part_complex, self.component) # get the real or imag component
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return P*f_part
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def evalDeriv(self, src, mesh, f, v, adjoint=False):
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"""
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Derivative of projected fields with respect to the inversion model times a vector.
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:param Source src: FDEM source
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:param Mesh mesh: mesh used
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:param Fields f: fields object
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:param numpy.ndarray v: vector to multiply
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:rtype: numpy.ndarray
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:return: fields projected to recievers
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"""
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P = self.getP(mesh, self.projGLoc(f))
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if not adjoint:
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Pv_complex = P * v
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Pv = getattr(Pv_complex, self.component)
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elif adjoint:
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Pv_real = P.T * v
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if self.component == 'imag':
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Pv = 1j*Pv_real
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elif self.component == 'real':
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Pv = Pv_real.astype(complex)
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else:
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raise NotImplementedError('must be real or imag')
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return Pv
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class Point_e(BaseRx):
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"""
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Electric field FDEM receiver
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:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
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:param string orientation: receiver orientation 'x', 'y' or 'z'
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:param string component: real or imaginary component 'real' or 'imag'
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"""
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def __init__(self, locs, orientation=None, component=None):
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self.projField = 'e'
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super(Point_e, self).__init__(locs, orientation, component)
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class Point_b(BaseRx):
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"""
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Magnetic flux FDEM receiver
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:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
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:param string orientation: receiver orientation 'x', 'y' or 'z'
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:param string component: real or imaginary component 'real' or 'imag'
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"""
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def __init__(self, locs, orientation=None, component=None):
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self.projField = 'b'
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super(Point_b, self).__init__(locs, orientation, component)
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class Point_h(BaseRx):
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"""
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Magnetic field FDEM receiver
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:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
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:param string orientation: receiver orientation 'x', 'y' or 'z'
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:param string component: real or imaginary component 'real' or 'imag'
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"""
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def __init__(self, locs, orientation=None, component=None):
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self.projField = 'h'
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super(Point_h, self).__init__(locs, orientation, component)
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class Point_j(BaseRx):
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"""
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Current density FDEM receiver
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:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
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:param string orientation: receiver orientation 'x', 'y' or 'z'
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:param string component: real or imaginary component 'real' or 'imag'
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"""
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def __init__(self, locs, orientation=None, component=None):
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self.projField = 'j'
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super(Point_j, self).__init__(locs, orientation, component)
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+31
-21
@@ -9,8 +9,14 @@ class BaseSrc(Survey.BaseSrc):
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"""
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freq = None
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# rxPair = RxFDEM
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integrate = True
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integrate = False
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_ePrimary = None
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_bPrimary = None
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_hPrimary = None
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_jPrimary = None
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def __init__(self, rxList, **kwargs):
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Survey.BaseSrc.__init__(self, rxList, **kwargs)
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def eval(self, prob):
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"""
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@@ -51,7 +57,9 @@ class BaseSrc(Survey.BaseSrc):
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:rtype: numpy.ndarray
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:return: primary magnetic flux density
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"""
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return Zero()
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if self._bPrimary is None:
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return Zero()
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return self._bPrimary
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def hPrimary(self, prob):
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"""
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@@ -61,7 +69,9 @@ class BaseSrc(Survey.BaseSrc):
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:rtype: numpy.ndarray
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:return: primary magnetic field
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"""
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return Zero()
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if self._hPrimary is None:
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return Zero()
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return self._hPrimary
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def ePrimary(self, prob):
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"""
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@@ -71,7 +81,9 @@ class BaseSrc(Survey.BaseSrc):
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:rtype: numpy.ndarray
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:return: primary electric field
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"""
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return Zero()
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if self._ePrimary is None:
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return Zero()
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return self._ePrimary
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def jPrimary(self, prob):
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"""
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@@ -81,7 +93,9 @@ class BaseSrc(Survey.BaseSrc):
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:rtype: numpy.ndarray
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||||
:return: primary current density
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||||
"""
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return Zero()
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if self._jPrimary is None:
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return Zero()
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return self._jPrimary
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|
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def s_m(self, prob):
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"""
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@@ -136,15 +150,14 @@ class RawVec_e(BaseSrc):
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:param list rxList: receiver list
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:param float freq: frequency
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||||
:param numpy.array s_e: electric source term
|
||||
:param bool integrate: Integrate the source term (multiply by Me) [True]
|
||||
:param bool integrate: Integrate the source term (multiply by Me) [False]
|
||||
"""
|
||||
|
||||
def __init__(self, rxList, freq, s_e, integrate=True): #, ePrimary=None, bPrimary=None, hPrimary=None, jPrimary=None):
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def __init__(self, rxList, freq, s_e, **kwargs):
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self._s_e = np.array(s_e, dtype=complex)
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self.freq = float(freq)
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self.integrate = integrate
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BaseSrc.__init__(self, rxList)
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BaseSrc.__init__(self, rxList, **kwargs)
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|
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def s_e(self, prob):
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"""
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@@ -166,15 +179,14 @@ class RawVec_m(BaseSrc):
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:param float freq: frequency
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:param rxList: receiver list
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||||
:param numpy.array s_m: magnetic source term
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||||
:param bool integrate: Integrate the source term (multiply by Me) [True]
|
||||
:param bool integrate: Integrate the source term (multiply by Me) [False]
|
||||
"""
|
||||
|
||||
def __init__(self, rxList, freq, s_m, integrate=True): #ePrimary=Zero(), bPrimary=Zero(), hPrimary=Zero(), jPrimary=Zero()):
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||||
def __init__(self, rxList, freq, s_m, **kwargs): #ePrimary=Zero(), bPrimary=Zero(), hPrimary=Zero(), jPrimary=Zero()):
|
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self._s_m = np.array(s_m, dtype=complex)
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self.freq = float(freq)
|
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self.integrate = integrate
|
||||
|
||||
BaseSrc.__init__(self, rxList)
|
||||
BaseSrc.__init__(self, rxList, **kwargs)
|
||||
|
||||
def s_m(self, prob):
|
||||
"""
|
||||
@@ -197,14 +209,13 @@ class RawVec(BaseSrc):
|
||||
:param float freq: frequency
|
||||
:param numpy.array s_m: magnetic source term
|
||||
:param numpy.array s_e: electric source term
|
||||
:param bool integrate: Integrate the source term (multiply by Me) [True]
|
||||
:param bool integrate: Integrate the source term (multiply by Me) [False]
|
||||
"""
|
||||
def __init__(self, rxList, freq, s_m, s_e, integrate=True):
|
||||
def __init__(self, rxList, freq, s_m, s_e, **kwargs):
|
||||
self._s_m = np.array(s_m, dtype=complex)
|
||||
self._s_e = np.array(s_e, dtype=complex)
|
||||
self.freq = float(freq)
|
||||
self.integrate = integrate
|
||||
BaseSrc.__init__(self, rxList)
|
||||
BaseSrc.__init__(self, rxList, **kwargs)
|
||||
|
||||
def s_m(self, prob):
|
||||
"""
|
||||
@@ -278,14 +289,13 @@ class MagDipole(BaseSrc):
|
||||
:param float mu: background magnetic permeability
|
||||
"""
|
||||
|
||||
def __init__(self, rxList, freq, loc, orientation='Z', moment=1., mu=mu_0):
|
||||
def __init__(self, rxList, freq, loc, orientation='Z', moment=1., mu=mu_0, **kwargs):
|
||||
self.freq = float(freq)
|
||||
self.loc = loc
|
||||
self.orientation = orientation
|
||||
assert orientation in ['X','Y','Z'], "Orientation (right now) doesn't actually do anything! The methods in SrcUtils should take care of this..."
|
||||
self.moment = moment
|
||||
self.mu = mu
|
||||
self.integrate = False
|
||||
BaseSrc.__init__(self, rxList)
|
||||
|
||||
def bPrimary(self, prob):
|
||||
@@ -543,7 +553,7 @@ class CircularLoop(BaseSrc):
|
||||
if not prob.mesh.isSymmetric:
|
||||
# TODO ?
|
||||
raise NotImplementedError('Non-symmetric cyl mesh not implemented yet!')
|
||||
a = MagneticDipoleVectorPotential(self.loc, gridY, 'y', moment=self.radius, mu=self.mu)
|
||||
a = MagneticLoopVectorPotential(self.loc, gridY, 'y', moment=self.radius, mu=self.mu)
|
||||
|
||||
else:
|
||||
srcfct = MagneticDipoleVectorPotential
|
||||
|
||||
@@ -4,126 +4,9 @@ from SimPEG.EM.Base import BaseEMSurvey
|
||||
from scipy.constants import mu_0
|
||||
from SimPEG.Utils import Zero, Identity
|
||||
import SrcFDEM as Src
|
||||
import RxFDEM as Rx
|
||||
from SimPEG import sp
|
||||
|
||||
|
||||
####################################################
|
||||
# Receivers
|
||||
####################################################
|
||||
|
||||
class Rx(SimPEG.Survey.BaseRx):
|
||||
"""
|
||||
Frequency domain receivers
|
||||
|
||||
:param numpy.ndarray locs: receiver locations (ie. :code:`np.r_[x,y,z]`)
|
||||
:param string rxType: reciever type from knownRxTypes
|
||||
"""
|
||||
|
||||
knownRxTypes = {
|
||||
'exr':['e', 'x', 'real'],
|
||||
'eyr':['e', 'y', 'real'],
|
||||
'ezr':['e', 'z', 'real'],
|
||||
'exi':['e', 'x', 'imag'],
|
||||
'eyi':['e', 'y', 'imag'],
|
||||
'ezi':['e', 'z', 'imag'],
|
||||
|
||||
'bxr':['b', 'x', 'real'],
|
||||
'byr':['b', 'y', 'real'],
|
||||
'bzr':['b', 'z', 'real'],
|
||||
'bxi':['b', 'x', 'imag'],
|
||||
'byi':['b', 'y', 'imag'],
|
||||
'bzi':['b', 'z', 'imag'],
|
||||
|
||||
'jxr':['j', 'x', 'real'],
|
||||
'jyr':['j', 'y', 'real'],
|
||||
'jzr':['j', 'z', 'real'],
|
||||
'jxi':['j', 'x', 'imag'],
|
||||
'jyi':['j', 'y', 'imag'],
|
||||
'jzi':['j', 'z', 'imag'],
|
||||
|
||||
'hxr':['h', 'x', 'real'],
|
||||
'hyr':['h', 'y', 'real'],
|
||||
'hzr':['h', 'z', 'real'],
|
||||
'hxi':['h', 'x', 'imag'],
|
||||
'hyi':['h', 'y', 'imag'],
|
||||
'hzi':['h', 'z', 'imag'],
|
||||
}
|
||||
radius = None
|
||||
|
||||
def __init__(self, locs, rxType):
|
||||
SimPEG.Survey.BaseRx.__init__(self, locs, rxType)
|
||||
|
||||
@property
|
||||
def projField(self):
|
||||
"""Field Type projection (e.g. e b ...)"""
|
||||
return self.knownRxTypes[self.rxType][0]
|
||||
|
||||
@property
|
||||
def projComp(self):
|
||||
"""Component projection (real/imag)"""
|
||||
return self.knownRxTypes[self.rxType][2]
|
||||
|
||||
def projGLoc(self, u):
|
||||
"""Grid Location projection (e.g. Ex Fy ...)"""
|
||||
return u._GLoc(self.rxType[0]) + self.knownRxTypes[self.rxType][1]
|
||||
|
||||
def eval(self, src, mesh, f):
|
||||
"""
|
||||
Project fields to recievers to get data.
|
||||
|
||||
:param Source src: FDEM source
|
||||
:param Mesh mesh: mesh used
|
||||
:param Fields f: fields object
|
||||
:rtype: numpy.ndarray
|
||||
:return: fields projected to recievers
|
||||
"""
|
||||
# projGLoc = u._GLoc(self.knownRxTypes[self.rxType][0])
|
||||
# projGLoc += self.knownRxTypes[self.rxType][1]
|
||||
|
||||
P = self.getP(mesh, self.projGLoc(f))
|
||||
f_part_complex = f[src, self.projField]
|
||||
# get the real or imag component
|
||||
real_or_imag = self.projComp
|
||||
f_part = getattr(f_part_complex, real_or_imag)
|
||||
|
||||
return P*f_part
|
||||
|
||||
def evalDeriv(self, src, mesh, f, v, adjoint=False):
|
||||
"""
|
||||
Derivative of projected fields with respect to the inversion model times a vector.
|
||||
|
||||
:param Source src: FDEM source
|
||||
:param Mesh mesh: mesh used
|
||||
:param Fields f: fields object
|
||||
:param numpy.ndarray v: vector to multiply
|
||||
:rtype: numpy.ndarray
|
||||
:return: fields projected to recievers
|
||||
"""
|
||||
|
||||
P = self.getP(mesh, self.projGLoc(f))
|
||||
|
||||
if not adjoint:
|
||||
Pv_complex = P * v
|
||||
real_or_imag = self.projComp
|
||||
Pv = getattr(Pv_complex, real_or_imag)
|
||||
elif adjoint:
|
||||
Pv_real = P.T * v
|
||||
|
||||
real_or_imag = self.projComp
|
||||
if real_or_imag == 'imag':
|
||||
Pv = 1j*Pv_real
|
||||
elif real_or_imag == 'real':
|
||||
Pv = Pv_real.astype(complex)
|
||||
else:
|
||||
raise NotImplementedError('must be real or imag')
|
||||
|
||||
return Pv
|
||||
|
||||
|
||||
####################################################
|
||||
# Survey
|
||||
####################################################
|
||||
|
||||
class Survey(BaseEMSurvey):
|
||||
"""
|
||||
Frequency domain electromagnetic survey
|
||||
@@ -132,7 +15,7 @@ class Survey(BaseEMSurvey):
|
||||
"""
|
||||
|
||||
srcPair = Src.BaseSrc
|
||||
rxPair = Rx
|
||||
rxPair = Rx.BaseRx
|
||||
|
||||
def __init__(self, srcList, **kwargs):
|
||||
# Sort these by frequency
|
||||
|
||||
@@ -1,3 +1,5 @@
|
||||
from SurveyFDEM import Rx, Src, Survey
|
||||
from FDEM import BaseFDEMProblem, Problem_e, Problem_b, Problem_j, Problem_h
|
||||
from FieldsFDEM import *
|
||||
from SurveyFDEM import Survey
|
||||
import SrcFDEM as Src
|
||||
import RxFDEM as Rx
|
||||
from ProblemFDEM import Problem3D_e, Problem3D_b, Problem3D_j, Problem3D_h
|
||||
from FieldsFDEM import Fields3D_e, Fields3D_b, Fields3D_j, Fields3D_h
|
||||
|
||||
@@ -20,56 +20,61 @@ def getFDEMProblem(fdemType, comp, SrcList, freq, useMu=False, verbose=False):
|
||||
mesh = Mesh.TensorMesh([hx,hy,hz],['C','C','C'])
|
||||
|
||||
if useMu is True:
|
||||
mapping = [('sigma', Maps.ExpMap(mesh)), ('mu', Maps.IdentityMap(mesh))]
|
||||
mapping = [('sigma', Maps.ExpMap(mesh)), ('mu', Maps.IdentityMap(mesh))]
|
||||
else:
|
||||
mapping = Maps.ExpMap(mesh)
|
||||
|
||||
x = np.array([np.linspace(-5.*cs,-2.*cs,3),np.linspace(5.*cs,2.*cs,3)]) + cs/4. #don't sample right by the source, slightly off alignment from either staggered grid
|
||||
XYZ = Utils.ndgrid(x,x,np.linspace(-2.*cs,2.*cs,5))
|
||||
Rx0 = EM.FDEM.Rx(XYZ, comp)
|
||||
Rx0 = getattr(EM.FDEM.Rx, 'Point_' + comp[0])
|
||||
if comp[2] == 'r':
|
||||
real_or_imag = 'real'
|
||||
elif comp[2] == 'i':
|
||||
real_or_imag = 'imag'
|
||||
rx0 = Rx0(XYZ, comp[1], 'imag')
|
||||
|
||||
Src = []
|
||||
|
||||
for SrcType in SrcList:
|
||||
if SrcType is 'MagDipole':
|
||||
Src.append(EM.FDEM.Src.MagDipole([Rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
Src.append(EM.FDEM.Src.MagDipole([rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
elif SrcType is 'MagDipole_Bfield':
|
||||
Src.append(EM.FDEM.Src.MagDipole_Bfield([Rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
Src.append(EM.FDEM.Src.MagDipole_Bfield([rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
elif SrcType is 'CircularLoop':
|
||||
Src.append(EM.FDEM.Src.CircularLoop([Rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
Src.append(EM.FDEM.Src.CircularLoop([rx0], freq=freq, loc=np.r_[0.,0.,0.]))
|
||||
elif SrcType is 'RawVec':
|
||||
if fdemType is 'e' or fdemType is 'b':
|
||||
S_m = np.zeros(mesh.nF)
|
||||
S_e = np.zeros(mesh.nE)
|
||||
S_m[Utils.closestPoints(mesh,[0.,0.,0.],'Fz') + np.sum(mesh.vnF[:1])] = 1e-3
|
||||
S_e[Utils.closestPoints(mesh,[0.,0.,0.],'Ez') + np.sum(mesh.vnE[:1])] = 1e-3
|
||||
Src.append(EM.FDEM.Src.RawVec([Rx0], freq, S_m, S_e))
|
||||
Src.append(EM.FDEM.Src.RawVec([rx0], freq, S_m, mesh.getEdgeInnerProduct()*S_e))
|
||||
|
||||
elif fdemType is 'h' or fdemType is 'j':
|
||||
S_m = np.zeros(mesh.nE)
|
||||
S_e = np.zeros(mesh.nF)
|
||||
S_m[Utils.closestPoints(mesh,[0.,0.,0.],'Ez') + np.sum(mesh.vnE[:1])] = 1e-3
|
||||
S_e[Utils.closestPoints(mesh,[0.,0.,0.],'Fz') + np.sum(mesh.vnF[:1])] = 1e-3
|
||||
Src.append(EM.FDEM.Src.RawVec([Rx0], freq, S_m, S_e))
|
||||
Src.append(EM.FDEM.Src.RawVec([rx0], freq, mesh.getEdgeInnerProduct()*S_m, S_e))
|
||||
|
||||
if verbose:
|
||||
print ' Fetching %s problem' % (fdemType)
|
||||
|
||||
if fdemType == 'e':
|
||||
survey = EM.FDEM.Survey(Src)
|
||||
prb = EM.FDEM.Problem_e(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_e(mesh, mapping=mapping)
|
||||
|
||||
elif fdemType == 'b':
|
||||
survey = EM.FDEM.Survey(Src)
|
||||
prb = EM.FDEM.Problem_b(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_b(mesh, mapping=mapping)
|
||||
|
||||
elif fdemType == 'j':
|
||||
survey = EM.FDEM.Survey(Src)
|
||||
prb = EM.FDEM.Problem_j(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_j(mesh, mapping=mapping)
|
||||
|
||||
elif fdemType == 'h':
|
||||
survey = EM.FDEM.Survey(Src)
|
||||
prb = EM.FDEM.Problem_h(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_h(mesh, mapping=mapping)
|
||||
|
||||
else:
|
||||
raise NotImplementedError()
|
||||
@@ -90,7 +95,7 @@ def crossCheckTest(SrcList, fdemType1, fdemType2, comp, addrandoms = False, useM
|
||||
prb1 = getFDEMProblem(fdemType1, comp, SrcList, freq, useMu, verbose)
|
||||
mesh = prb1.mesh
|
||||
print 'Cross Checking Forward: %s, %s formulations - %s' % (fdemType1, fdemType2, comp)
|
||||
|
||||
|
||||
logsig = np.log(np.ones(mesh.nC)*CONDUCTIVITY)
|
||||
mu = np.ones(mesh.nC)*MU
|
||||
|
||||
|
||||
@@ -42,8 +42,8 @@ def run(plotIt=True):
|
||||
ax.grid(color='k', alpha=0.5, linestyle='dashed', linewidth=0.5)
|
||||
|
||||
|
||||
rxOffset=10.
|
||||
bzi = EM.FDEM.Rx(np.array([[rxOffset, 0., 1e-3]]), 'bzi')
|
||||
rxOffset=10.
|
||||
bzi = EM.FDEM.Rx.Point_b(np.array([[rxOffset, 0., 1e-3]]), orientation='z', component='imag')
|
||||
|
||||
freqs = np.logspace(1,3,10)
|
||||
srcLoc = np.array([0., 0., 10.])
|
||||
@@ -51,7 +51,7 @@ def run(plotIt=True):
|
||||
srcList = [EM.FDEM.Src.MagDipole([bzi],freq, srcLoc,orientation='Z') for freq in freqs]
|
||||
|
||||
survey = EM.FDEM.Survey(srcList)
|
||||
prb = EM.FDEM.Problem_b(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_b(mesh, mapping=mapping)
|
||||
|
||||
try:
|
||||
from pymatsolver import MumpsSolver
|
||||
|
||||
@@ -215,7 +215,7 @@ def run(plotIt=True):
|
||||
# ------------ Problem and Survey ---------------
|
||||
survey = FDEM.Survey(sg_p + dg_p)
|
||||
mapping = [('sigma', Maps.IdentityMap(mesh))]
|
||||
problem = FDEM.Problem_h(mesh, mapping=mapping)
|
||||
problem = FDEM.Problem3D_h(mesh, mapping=mapping)
|
||||
problem.pair(survey)
|
||||
|
||||
# ------------- Solve ---------------------------
|
||||
|
||||
+1
-1
@@ -1,5 +1,5 @@
|
||||
from SimPEG import SolverLU as SimpegSolver, PropMaps, Utils, mkvc, sp, np
|
||||
from SimPEG.EM.FDEM.FDEM import BaseFDEMProblem
|
||||
from SimPEG.EM.FDEM.ProblemFDEM import BaseFDEMProblem
|
||||
from SurveyMT import Survey, Data
|
||||
from FieldsMT import BaseMTFields
|
||||
|
||||
|
||||
@@ -22,7 +22,7 @@ radi = Radius of spheres [r1,r2]
|
||||
param = Conductivity of background and two spheres [m0,m1,m2]
|
||||
stype = survey type "pdp" (pole dipole) or "dpdp" (dipole dipole)
|
||||
dtype = Data type "appr" (app res) | "appc" (app cond) | "volt" (potential)
|
||||
Created by @fourndo on Mon Feb 01 19:28:06 2016
|
||||
Created by @fourndo
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -28,12 +28,12 @@ class FDEM_analyticTests(unittest.TestCase):
|
||||
|
||||
x = np.linspace(-10,10,5)
|
||||
XYZ = Utils.ndgrid(x,np.r_[0],np.r_[0])
|
||||
rxList = EM.FDEM.Rx(XYZ, 'exi')
|
||||
rxList = EM.FDEM.Rx.Point_e(XYZ, orientation='x', component='imag')
|
||||
Src0 = EM.FDEM.Src.MagDipole([rxList],loc=np.r_[0.,0.,0.], freq=freq)
|
||||
|
||||
survey = EM.FDEM.Survey([Src0])
|
||||
|
||||
prb = EM.FDEM.Problem_b(mesh, mapping=mapping)
|
||||
prb = EM.FDEM.Problem3D_b(mesh, mapping=mapping)
|
||||
prb.pair(survey)
|
||||
|
||||
try:
|
||||
@@ -125,8 +125,8 @@ class FDEM_analyticTests(unittest.TestCase):
|
||||
|
||||
mapping = [('sigma', Maps.IdentityMap(mesh)),('mu', Maps.IdentityMap(mesh))]
|
||||
|
||||
prbe = EM.FDEM.Problem_h(mesh, mapping=mapping)
|
||||
prbm = EM.FDEM.Problem_e(mesh, mapping=mapping)
|
||||
prbe = EM.FDEM.Problem3D_h(mesh, mapping=mapping)
|
||||
prbm = EM.FDEM.Problem3D_e(mesh, mapping=mapping)
|
||||
|
||||
prbe.pair(surveye) # pair problem and survey
|
||||
prbm.pair(surveym)
|
||||
|
||||
@@ -12,7 +12,7 @@ testBH = True
|
||||
verbose = False
|
||||
|
||||
TOLEJHB = 1 # averaging and more sensitive to boundary condition violations (ie. the impact of violating the boundary conditions in each case is different.)
|
||||
#TODO: choose better testing parameters to lower this
|
||||
#TODO: choose better testing parameters to lower this
|
||||
|
||||
SrcList = ['RawVec', 'MagDipole_Bfield', 'MagDipole', 'CircularLoop']
|
||||
|
||||
@@ -125,4 +125,4 @@ class FDEM_CrossCheck(unittest.TestCase):
|
||||
self.assertTrue(crossCheckTest(SrcList, 'b', 'h', 'hzi', verbose=verbose, TOL=TOLEJHB))
|
||||
|
||||
if __name__ == '__main__':
|
||||
unittest.main()
|
||||
unittest.main()
|
||||
|
||||
Reference in New Issue
Block a user