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Problem on the number of grid blocks for time evolution > 15
Dear Sir or Madam, I am sorry to disturb you. I wanted to print out 60 grid blocks for time evolution printout. And I just listed all the grid numbers in several lines (15 in every line) in the…
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The discrepancy between numerical solution and analytical solution
Dear Sir of Madam, When I run the simple 1D advection-dispersion model with Kd adsorption, I found there is a difference between the numerical solution and analytical solution.…
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Difference between surface area for sorption and initial mineral reactive surface area
Hi, everyone, I am confused by the concepts of S_AREA (surface area for sorption) and AMIN (initial mineral reactive surface area) If I choose IFLAG=0 and IMFLG=0 and only one mineral for the…
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Concepts of cation exchange, surface complex, inner-sphere and outer-sphere complex
Hello, everyone, I am confused by the concepts of cation exchange, surface complex, inner-sphere and outer-sphere complex now. I found the sorption mechanisms are inner-sphere and outer-sphere…
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Reactive surface area on surface complex
Hi, everyone, I am confused by the concepts of S_AREA (surface area for sorption) and AMIN (initial mineral reactive surface area) If I choose IFLAG=0 and IMFLG=0.…
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Simulate the cation exchange and surface complex between heavy metal and clay
Hello, everyone. I am trying to simulate the cation exchange and surface complex in clay. However, my simulation results are very strange. Could someone please help me figure out how to how to…
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Cation exchange and surface complex input files
Hello everyone, I'm simulating the cation exchange and surface complex between Eu+3 and clay, and I found only the 8.2 problem 2 and 8.10 problem 10 in TOUGHREACT v2.…
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Convergence problem in initialization of water composition
Hello, everyone, When I run my TOUGHREACT model, the runlog.out file displayed "ERROR (convergence problem in initialization of water composition) Please adjust convergence criteria regarding…
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How to simulate the surface complex in PetraSim
Hello, everyone, Sorry to disturb you. I wanted to simulate the surface complex between aqueous Europium+3 and -S-sOH and -S-wOH (the defined group) in clay.…
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How to calculate the mechanical dispersion in TOUGHREACT
Hello. I am inquiring about how to know the mechanical dispersion in the PetraSim/TOUGH. When I input the diffusion coefficient and tortuosity/porosity,…
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How to define the tortuosity in TOUGHREACT
Hi. I am confused by the concept of the tortuosity. I found it was defined as is the ratio of the average length of the flow paths through the medium to the straight-line length across the medium…
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