Frequency-Domain EM (SimPEG.electromagnetics.frequency_domain)#
About frequency_domain
Simulations#
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 | Simulation class for simulating the FEM response over a 1D layered Earth for a single sounding. | 
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 | By eliminating the magnetic flux density using | 
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 | We eliminate \(\mathbf{e}\) using | 
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 | We eliminate \(\mathbf{h}\) using | 
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 | We eliminate \(\mathbf{j}\) using | 
Receivers#
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 | Measure FDEM electric field at a point. | 
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 | Measure FDEM total field magnetic flux density at a point. | 
| Measure FDEM secondary magnetic flux density at a point. | |
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 | Measure FDEM total magnetic field at a point. | 
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 | Measure FDEM current density at a point. | 
Sources#
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 | User-provided electric source term (s_e) class. | 
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 | User-provided magnetic source term (s_m) class. | 
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 | User-provided electric (s_e) and magnetic (s_m) source terms. | 
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 | Point magnetic dipole source calculated by taking the curl of a magnetic vector potential. | 
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 | Point magnetic dipole source calculated with the analytic solution for the fields from a magnetic dipole. | 
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 | Circular loop magnetic source calculated by taking the curl of a magnetic vector potential. | 
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 | Methods | 
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 | Primary-Secondary Source in which a mapping is provided to put the current model onto the primary mesh. | 
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 | Line current source. | 
Surveys#
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 | Frequency domain electromagnetic survey | 
Fields#
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 | Fields object for Simulation3DElectricField. | 
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 | Fields object for Simulation3DMagneticFluxDensity. | 
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 | Fields object for Simulation3DCurrentDensity. | 
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 | Fields object for Simulation3DMagneticField. | 
Base Classes#
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 | Frequency domain electromagnetic survey | 
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 | Base FDEM source class | 
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 | Base FDEM receivers class. | 
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 | We start by looking at Maxwell's equations in the electric field \(\mathbf{e}\) and the magnetic flux density \(\mathbf{b}\) | 
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 | Fancy Field Storage for a FDEM survey. |