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How to simulate bubble flow in non-Newtonian fluids (such as drilling mud)?
I am trying to create multiple simulation scenarios, one of them is to simulate discrete bubble flow through drilling much, which is also a non-Newtonian fluid.…
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How to model a leakage around existing well annulus in TOUGH
We are trying to model gas leakage around exisiting well annulus (The space between wellbore and casing, where fluid flow can occur). However, the aperture is relative large and I wonder whether this…
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How to set-up a model that reacts only on the surface
I am trying to set-up a model that simulates a leaching experiment. The material is very impermeable (flow is not supposed to go through) and based on existed data,…
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What does negative H+ concentration mean in TOUGHREACT?
I am running some simuations, the results seem to make sense (including pH). But why does the h+ concentrations are negative? Is there a special calculation to convert h+ to pH?
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Why it takes unbelievable long time to run kinetics?
It seems that TOUGHREACT starts to choke when I add kinetics to the chemistry of the my model. The model runs just fine for equilibrium. But once I add kinetics,…
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what if a primary species is not defined in the database?
The modeling I am working on involves some initial species that are not defined as primary species in the database. Although I have figured out how to define a new mineral in the database,…