Dear DuMux Team,

I hope my email finds you well.

My name is Mohammad Hodroj and I am graduate student at the American University 
of Beirut.

I am writing to kindly ask for your help in using DuMux to run my model.

Problem:
I am using DuMux (porous medium) to run my subsurface model, however, I am 
facing an issue with the geometry of my model. My model consists of many layers 
including reservoir, overburden, cement, and aquifer. In general, the dimension 
of such a model and layers is in meters, however, the size of the cement layer 
is in centimeters. The issue is that while running the simulation, the cement 
layer is not appearing since the size of this layer is negligible compared with 
the size of the other layers. So, my question is how can I change the scale of 
the cement layer so it will appear in the simulation especially that the flow 
of nitrogen will be through this layer toward the aquifer. Is it related to 
discretization or gridding? How can I solve this issue?

I am looking forward to your help.

Thanks for your time and help.


Best Regards,
Mohammad Hodroj


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