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MT2D is a two dimensional magnetotellurics or raido magnetotellurics forward modeling software. In terms of unstructured grids, it can deal with arbitrarily complicated models, including the surface topographies. It allows for arbitrary distributions of conductivity, permittivity and permeability. In addition, it offers two algorithms: the total field approach and the secondary field approach.
At present, most of 2D MT modeling codes are developed in terms of Matlab or FORTRAN and there are no open source ones for public. The release of C++ based MT2D is to offer an accurate 2D MT code for researchers, students in geophysical community. Using this simple and accurate solver, inversion software can be easily developed.
To deal with broadband frequencies (MT and RMT problems), a same grid including the air space is used for both TE and TM mode.
To whom is interesting in an usage of this code, please send an email to: renzhengyong@csu.edu.cn
Features
- arbitrarily complicated models with surface topographies.
- for both magnetotellurics or raido magnetotellurics problems
- C++ based, simple
- total field approach and the secondary field approaches are included
- unstructrued grids
- accurate
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The theory is described by a paper published in Journal of Computational Physics: Yao, H., Ren, Z., Chen, H., Tang, J., Li, Y., & Liu, X. (2021). Two-dimensional magnetotelluric finite element modeling by a hybrid Helmholtz-curl formulae system. Journal of Computational Physics, 443, 110533.