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GudniRos
20 lines
581 B
Python
20 lines
581 B
Python
from SimPEG import Survey, Utils, Problem, np, sp, mkvc
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from scipy.constants import mu_0
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import sys
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from numpy.lib import recfunctions as recFunc
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from simpegEM.Utils.EMUtils import omega
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##############
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### Fields ###
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##############
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class FieldsMT(Problem.Fields):
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"""Field Storage for a MT survey."""
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knownFields = {'b_px': 'F','b_py': 'F', 'e_px': 'E','e_py': 'E','b_1d':'E','e_1d':'F'}
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dtype = complex
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def _b_1dDeriv_u(self,src,v,adjoint=False):
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"""
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The derivative of b_1d wrt u
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"""
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return -( self.mesh.nodalGrad * v)/( 1j*omega(src.freq) ) |