Does pygimli support complete electrode model (CEM) or simulation of finite electrodes/contact resistance?

[jinshanmu]

I discovered the article Rücker, C., & Günther, T. (2011). The simulation of finite ERT electrodes using the complete electrode model. Geophysics, 76(4), F227-F238. and I think using CEM would make the simulation more realistic. Thank you!

[halbmy]

In case of extended electrodes, CEM can more accurately describe the fields. For long electrodes, SEM is often the easier solution (Ronczka et al. 2015). It is only about mesh generation.

pyGIMLi supports CEM and SEM, but lacks examples as this goes beyond standard ERT. You might find material in the BERT repository (https://gitlab.com/resistivity-net/bert), under examples/modelling/CEM or SEM.

Ronczka, M., Rücker, C. & Günther, T. (2015): Numerical study of long electrode electric resistivity tomography – Accuracy, sensitivity and resolution. Geophysics 80(6), E317-328, doi:10.1190/geo2014-0551.1.

[jinshanmu]

Thank you for the reply! I'll look into the BERT repository.