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Adding multiple restart times for the same event
I noticed that the iT2 command index didn't include any examples of how to incorporate multiple restart times for a single event. It wasn't entirely straightforward for me to troubleshoot,…
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Failure to set up a constant boundary concentration by input a large volume in the first cell
Dear Sir or Madam, Sorry to disturb you. I set up a simple 1-D contaminant transport model using TOUGHREACT v3.0 following the 8.1 Problem 1 – Aqueous Transport with Adsorption (Linear Kd) and Decay…
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Effect of the diffusion coefficient(D0) on the TOUGHREACT
Dear Sir or Madam, Sorry to disturb you. I found a problem when I run the example model in the 8.1 Problem 1 – Aqueous Transport with Adsorption (Linear Kd) and Decay (EOS9) in TOUGHREACT User Guide…
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EOS3 (precipitation, pressure)
Hi, I am doing my project in about numerical modelling of geothermal reservoir by Petrasim (Tough2-EOS3). I have a question about assigning unsaturated zone in top layer below atmosphere layer .…
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Dirichlet and Robin Boundary problem
Dear Sir or Madam, Sorry to disturb you. I am setting up a very simple 1-D contaminant transport model. And I was wondering if I just apply the boundary water with a injection concentration C0 to…
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Outputting total flow rates from the FORWARD option
I'm having difficulty getting iTOUGH2 running a forward simulation to output total flow rates across a defined connection using eco2n. The only way I've been able, thus far,…
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Making binary output from Tough2 (run with iTough2 enhancement)
Hello guys, I tried to get mesh/grid and properties in binary format using MOMOP MOP2 item 24 but failed. Any advise?
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Restart option with PetraSim
Hello everybody, There is a procedure for the restart of a though2 run. I interrupted a run of Tough2, I can restart it where it left off? Thanks
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Radial Heat Pipe problem
Hi all, I'm hoping someone else has run into this question before. I'm trying to run the radial heat pipe (rhp) sample problem found in the TOUGH2 Manual.…
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Mass input in .out file
Hi everybody! Could anyone tell me if is it possible to see the CO2 mass input in petrasim output file? I've tried to check it on Volume and Mass-Balances, but it isn't there.…
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Need Help Choosing EOS Module
Hi everybody, I'm pretty new to TOUGH2 MP. I'm hoping somebody can help me, which EOS module should I use? To modeling natural gas production and reservoir compaction I use FLAC3D with a 3D…
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Setting Boundary Conditions in Toughreact
Hello All I know how to impose Dirichlet and Neumann conditions for a single column volume like A in my sketch (one dimensional case). In the image, the blue cell represents a injection block.…
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EXT2 cannot extract data from output file?
Hi everybody I use Ext2 to extract data from my output file, but it cannot work out, the generated file is empty, i don't know where is the problem? The error and output file are as follows,…
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Input file
Hi I got an input file that some cells are not included in ELEM block; however, they have some connections with other cells. Does it have any meaning or it is a mistake in making input file? Cheers
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Help me? (EOS3) simulate a two-phase test.
Hi,everyone Right now, i want to simulate water drainage experiment, as first conducted by Liakopoulos(Liakopoulos, A.C., 1965. Transient Flow Through Unsaturated Porous Media.Ph.D. Dissertation.…
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Water Enthalpy values
Halo, could somebody explain me, how to get (find, calculate, ...) values of enthalpy for water? (where I can find them?) I have find this table: https://www.thermexcel.com/english/tables/eau_atm.…
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ROCKS ; assigning to specific blocks.
So I'm basically making a lump parameter model to get familiar with Tough 2. However I want to assign 3 different ROCKS conditions three different blocks.…
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Can anybody explain the meaning of DELV in GENER?
I'm not very clear about DELV and EX, can anybody help me? thanks very much! sawyer
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Permeability Modification option EOS7R
Hello everyone, Please, does anyone know if the permeability modification option may be used in EOS7R?
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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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MOMOP vs. SELEC block settings for phase transitions in ECO2M
I see that MOMOP(29) allows us to define how we would like to perform phase transitions ("hairtrigger" vs. "finite window"), but the ECO2M module also allows us to set that in the SELEC block.…
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Question on modeling landfill gas migration
Hi, Which module should I be using if I want to model landfill gas (mainly consisted of methane and carbon dioxide) migration in soil/liquid? I have heard of the EOS7C module,…
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Nonisothermal Co2 Injection using ECO2N convergence issue
I am running a non-isothermal case for Co2 injection using ECO2N. The injection cell temperature is set to be 60 degree compared to reservoir temperature of around 105 degree.…
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CO2 injection into a CO2 saturated reservoir
Hi everyone, I'm running a test to check the results regarding to inject CO2 into a reservoir with a CO2 mass fraction=1. SG attached starts at 0 and the value raises with time.…
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Numerical instability with water vapor condensation in ECO2M
Hey everyone, I've run into an issue trying to make the transition from a saturated gas to a 2-phase stream composed of a wetting aqueous phase and a gaseous CO2/H2O(g) mixture.…