Using variable viscosity and density for my injection fluid. Using differents poisson ratios in my box.

[Francyrad]

Dear developers

I wanted to simulate the ascension of a plume in the upper mantle in my program.

I can edit well the density of my box, but the point is that in a realistic simulation, also my fluid changes density and viscosity (I have MY equation of states). Also, the upper mantle poisson ratio and other variables changes and they are not static.

For what I understood, it's not possible to change these values like i can do with the density. Is there some way i can implement these changes?

Thank you in advance for support and help
Francesco.