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Application ID: 9903

Magnetotellurics is a method for estimating the resistivity profile of the Earth's subsurface using the natural electromagnetic source provided by the ionosphere.

This model was defined by Zhdanov et al. in a study published in 1997. In this article, various scientific groups compared software performance on the same models. This is the model called COMMEMI-3D-2, which has become one of the benchmarks for the modeling of magnetotellurics.

This model solves for two frequencies. More frequencies can be added to the study, but for lower frequencies the domain should be made larger by increasing the values of the parameters Lx and Ly.

This model is included as an example in the following products:

AC/DC Module

The combination of COMSOL® products required to model your application depends on several factors and may include boundary conditions, material properties, physics interfaces, and part libraries. Particular functionality may be common to several products. To determine the right combination of products for your modeling needs, review the Grille de spécifications and make use of a free evaluation license. The COMSOL Sales and Support teams are available for answering any questions you may have regarding this.