simpeg.electromagnetics.time_domain.Simulation1DLayered

class simpeg.electromagnetics.time_domain.Simulation1DLayered(survey=None, time_filter='key_81_2009', **kwargs)

Bases: BaseEM1DSimulation

Simulation class for simulating the TEM response over a 1D layered Earth for a single sounding.

Attributes

c	Frequency Dependency for Cole-Cole model, 0 < c < 1
clean_on_model_update	A list of solver objects to clean when the model is updated
counter	SimPEG Counter object to store iterations and run-times.
dchi	DC magnetic susceptibility for viscous remanent magnetization contribution (SI)
deleteTheseOnModelUpdate	A list of properties stored on this object to delete when the model is updated
depth	layer depths
eta	Intrinsic chargeability (V/V), 0 <= eta < 1
fix_Jmatrix	Whether to fix the sensitivity matrix.
h	Receiver height (m), h > 0 physical property model.
hDeriv	Derivative of Receiver Height (m), h > 0 wrt the model.
hMap	Mapping of the inversion model to Receiver Height (m), h > 0.
hankel_filter	The hankel filter used.
mesh	Mesh for the simulation.
model	The inversion model.
mu	Magnetic permeability at infinite frequency (si) physical property model.
muDeriv	Derivative of Magnetic permeability at infinite frequency (SI) wrt the model.
muMap	Mapping of the inversion model to Magnetic permeability at infinite frequency (SI).
n_filter	Length of filter
n_layer	number of layers
n_points_per_path	The number of integration points for each segment of line current sources.
needs_model	True if a model is necessary
rho	Electrical resistivity (ohm m) physical property model.
rhoDeriv	Derivative of Electrical resistivity (Ohm m) wrt the model.
rhoMap	Mapping of the inversion model to Electrical resistivity (Ohm m).
sensitivity_path	Path to directory where sensitivity file is stored.
sigma	Electrical conductivity at infinite frequency (s/m) physical property model.
sigmaDeriv	Derivative of Electrical conductivity at infinite frequency (S/m) wrt the model.
sigmaMap	Mapping of the inversion model to Electrical conductivity at infinite frequency (S/m).
solver	Numerical solver used in the forward simulation.
solver_opts	Solver-specific parameters.
survey	The survey for the simulation Returns ------- simpeg.electromagnetics.time_domain.survey.Survey
tau	Time constant for Cole-Cole model (s)
tau1	Lower bound for log-uniform distribution of time-relaxation constants for viscous remanent magnetization (s)
tau2	Upper bound for log-uniform distribution of time-relaxation constants for viscous remanent magnetization (s)
thicknesses	Layer thicknesses (m) physical property model.
thicknessesDeriv	Derivative of layer thicknesses (m) wrt the model.
thicknessesMap	Mapping of the inversion model to layer thicknesses (m).
topo	Topography.
verbose	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 for a Single Sounding

1D Forward Simulation for a Single Sounding

1D Forward Simulation with Chargeable and/or Magnetic Viscosity

1D Forward Simulation with Chargeable and/or Magnetic Viscosity

1D Forward Simulation with User-Defined Waveforms

1D Forward Simulation with User-Defined Waveforms

1D Inversion of Time-Domain Data for a Single Sounding

1D Inversion of Time-Domain Data for a Single Sounding