simpeg.electromagnetics.viscous_remanent_magnetization.Simulation3DLinear#

class simpeg.electromagnetics.viscous_remanent_magnetization.Simulation3DLinear(mesh, xi=None, xiMap=None, **kwargs)[source]#

Bases: BaseVRMSimulation

Attributes

A

The geometric sensitivity matrix for the linear VRM problem.

T

The characteristic decay matrix for the VRM problem.

active_cells

Topography active cells.

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.

deleteTheseOnModelUpdate

A list of properties stored on this object to delete when the model is updated

indActive

active_cells.indActive has been deprecated.

mesh

Mesh for the simulation.

model

The inversion model.

needs_model

True if a model is necessary

refinement_distance

Sensitivity refinement radii from sources.

refinement_factor

The number of refinement distances.

sensitivity_path

Path to directory where sensitivity file is stored.

solver

Numerical solver used in the forward simulation.

solver_opts

Solver-specific parameters.

survey

The VRM survey.

verbose

Verbose progress printout.

xi

Amalgamated viscous remanent magnetization parameter xi = dchi/ln(tau2/tau1) physical property model.

xiDeriv

Derivative of Amalgamated Viscous Remanent Magnetization Parameter xi = dchi/ln(tau2/tau1) wrt the model.

xiMap

Mapping of the inversion model to Amalgamated Viscous Remanent Magnetization Parameter xi = dchi/ln(tau2/tau1).

Methods

Jtvec(m, v[, f])

Compute (Pd*T*A*dxidm)^T * v

Jtvec_approx(m, v[, f])

Approximation of the Jacobian transpose times a vector for the model provided.

Jvec(m, v[, f])

Compute Pd*T*A*dxidm*v

Jvec_approx(m, v[, f])

Approximation of the Jacobian times a vector for the model provided.

fields(m)

Computes the fields d = T*A*m

make_synthetic_data(m[, relative_error, ...])

Make synthetic data for the model and Gaussian noise provided.

residual(m, dobs[, f])

The data residual.

dpred

Galleries and Tutorials using simpeg.electromagnetics.viscous_remanent_magnetization.Simulation3DLinear#

Predict Response from a Conductive and Magnetically Viscous Earth

Predict Response from a Conductive and Magnetically Viscous Earth

Method of Equivalent Sources for Removing VRM Responses

Method of Equivalent Sources for Removing VRM Responses

Response from a Homogeneous Layer for Different Waveforms

Response from a Homogeneous Layer for Different Waveforms

Forward Simulation of VRM Response on a Tree Mesh

Forward Simulation of VRM Response on a Tree Mesh