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Isaac Mantelli

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Posts posted by Isaac Mantelli

  1. Rethought the design of this model. Still looking at diffusion through a fracture, but now I've edited the porosities of the middle row of nodes to be 1 to act as the fracture and removed the well sites for simplicity. I've also replaced kinetic minerals with simple minerals. However, now the model fails to converge at the same reaction progress, about 0.145. I have tried changing nearly each variable one at a time, but I still cannot find what is causing the model to stop at that point. 

    fracture size sensitivity analysis simple minerals.x2t

  2. I am building a simulation based on experimental work involving fluid diffusion through a fracture and into a rock matrix. This model assumes half of the fracture, where the well (injection) site is the fracture aperture. Fluid chemistry is from analyzed samples. The rock is an ultra-tight shale, hence the very large SSA.

    The simulation fails after a very small reaction progress (Xi < 10^-6) with max residuals around 10^-11. I have removed all but essential ions and minerals. I would appreciate any insight!

    fracture size sensitivity analysis.x2t

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