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Found 2 results

  1. Hello, I am trying to model reactive transport flow in X1t, wherein there is a fluid flowing through a given mass of rock with known composition. I would like to simulate the transport of mass out of the system by the fluid. I have explored the reactions in React and everything appears to be ok. However, in X1t it is not clear to me what the mass of the initial rock in the system is. I have set up my rock composition (really a glass with no mineral phases) in the "Reactants" page as simple oxides and maintained the default "reactants times" value of one, as well as the the initial fluid composition in the "Initial" page. I have noticed that in this format additional reactants are added with time, similar to React. Instead I would like to have a set starting composition and mass and simulate a flow-through/leaching calculation for a given domain. Any help on setting up the model correctly would be greatly appreciated. -Austin
  2. Hi all, I am running a reactive transport model where I apply a vertical and horizontal fluid to a reactive transport model that contains a variable abundance of hydroxyapatite. However, when the fluid it applied, the whole domain (approx. 800 x 20 m) becomes undersaturated w.r.t. hydroxyapatite almost immediately. When applying a fluid that is undersaturated I would expect this to happen, but over a much slower timescale. Attached is the X2t file. Any advice would be appreciated. Thanks, Sam Bingham 2D_RTMTest.x2t
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