SimPEG.electromagnetics.time_domain.Simulation1DLayered#
- class SimPEG.electromagnetics.time_domain.Simulation1DLayered(survey=None, time_filter='key_81_CosSin_2009', **kwargs)[source]#
- Bases: - BaseEM1DSimulation- Simulation class for simulating the TEM response over a 1D layered Earth for a single sounding. - Attributes - Frequency Dependency for Cole-Cole model, 0 < c < 1 - A list of solver objects to clean when the model is updated - SimPEG - Counterobject to store iterations and run-times.- DC magnetic susceptibility for viscous remanent magnetization contribution (SI) - A list of properties stored on this object to delete when the model is updated - layer depths - Intrinsic chargeability (V/V), 0 <= eta < 1 - Whether to fix the sensitivity matrix. - Receiver height (m), h > 0 physical property model. - Derivative of Receiver Height (m), h > 0 wrt the model. - Mapping of the inversion model to Receiver Height (m), h > 0. - The hankely filter to use. - Mesh for the simulation. - The inversion model. - Magnetic permeability at infinite frequency (si) physical property model. - Derivative of Magnetic permeability at infinite frequency (SI) wrt the model. - Mapping of the inversion model to Magnetic permeability at infinite frequency (SI). - Length of filter - number of layers - The number of integration points for each segment of line current sources. - True if a model is necessary - Electrical resistivity (ohm m) physical property model. - Derivative of Electrical resistivity (Ohm m) wrt the model. - Mapping of the inversion model to Electrical resistivity (Ohm m). - Path to directory where sensitivity file is stored. - Electrical conductivity at infinite frequency (s/m) physical property model. - Derivative of Electrical conductivity at infinite frequency (S/m) wrt the model. - Mapping of the inversion model to Electrical conductivity at infinite frequency (S/m). - Numerical solver used in the forward simulation. - Solver-specific parameters. - The survey for the simulation Returns ------- SimPEG.electromagnetics.time_domain.survey.Survey - Time constant for Cole-Cole model (s) - Lower bound for log-uniform distribution of time-relaxation constants for viscous remanent magnetization (s) - Upper bound for log-uniform distribution of time-relaxation constants for viscous remanent magnetization (s) - Layer thicknesses (m) physical property model. - Derivative of layer thicknesses (m) wrt the model. - Mapping of the inversion model to layer thicknesses (m). - Topography. - Verbose progress printout. - time_filter - Methods - Jtvec(m, v[, f])- Compute the Jacobian transpose times a vector for the model provided. - Jtvec_approx(m, v[, f])- Approximation of the Jacobian transpose times a vector for the model provided. - Jvec(m, v[, f])- Compute the Jacobian times a vector for the model provided. - Jvec_approx(m, v[, f])- Approximation of the Jacobian times a vector for the model provided. - compute_complex_mu(frequencies)- Computes the complex magnetic permeability matrix assuming a log-uniform distribution of time-relaxation constants: - compute_complex_sigma(frequencies)- Computes the complex conductivity matrix using Pelton's Cole-Cole model: - dpred(m[, f])- Return predicted data. - fields(m)- This method evaluates the Hankel transform for each source and receiver and outputs it as a list. - make_synthetic_data(m[, relative_error, ...])- Make synthetic data for the model and Gaussian noise provided. - residual(m, dobs[, f])- The data residual. - depth_of_investigation_christiansen_2012 - getJ - getJtJdiag - get_coefficients - get_threshold 
Galleries and Tutorials using SimPEG.electromagnetics.time_domain.Simulation1DLayered#
 
1D Forward Simulation with Chargeable and/or Magnetic Viscosity
 
1D Inversion of Time-Domain Data for a Single Sounding
 
