emg3d: A multigrid solver for 3D electromagnetic diffusion

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Abstract

Controlled-source electromagnetic (CSEM) surveys are a common geophysical investigationtool in the search for, amongst other, groundwater, hydrocarbons, and minerals. The nu-merical modelling of CSEM data requires the solution of the Maxwell equations. These canbe simplified in the particular case of CSEM, as the frequencies used in surveys are usuallysufficiently low to ignore any displacement currents. A diffusive problem remains, which hasthe resulting system of equations given in the frequency domain byE
Original languageEnglish
Number of pages3
JournalJournal of Open Source Software
DOIs
Publication statusPublished - 2019

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