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Non isothermal simulations using ECO2N module
I am trying to run some simulations using TOUGH2-MP and compare the results with TOUGH2. The simulation runs successfully by TOUGH2 but when I tried to run it with TOUGh2-MP,…
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Two time steps with restart gives different results than one without restart
Hello, Do you know why a restart during 6 hours (for example) after one time step (6 hours for example) is different from one time step of 12 hours? In my simulation with eos4,…
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Species appear two times in time.out
Hi, I have a problem in reading result file. Some primary species in <time.out> appear two times; one column with the header of "t_xxx" and the other start with just "xxx" without "t_" ahead.…
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Data file Problem No.6 (*Case6_50kg_DP*) needed
Hello all. I am trying to run an EGS-CO2 model with TOUGH2 ECO2N. Is the example file Problem No.6 (*Case6_50kg_DP*) – GCS/GHE with a double-porosity reservoir in the manual available?…
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Input data file vs Disk Files
Hi All, I am very new to TOUGH2. In my case, I run initial input data file then I have Disk Files generated from TOUGH2 input file after running, these are : INCON, MESH, GENER, SAVE, etc.…
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A question about the EOS9nT
Hello everyone, I have a question or problem about the EOS9nT in my recent research project. In the attachment you can see the guide example that we downloaded together with the source code.…
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Mineral volume fraction greater than 1 in outsolid.dat
Hello, I have a problem with TOUGHREACT PITZER. I'm running a model with calcite, anhydrite and dolomite whose initial volume fractions are 0.99, 0 and 0.01 respectively.…
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Porosity, Permeability and Capillary Pressure Modification Block by Block
Hi All, I've read in TOUGH2 manual about how to change permeability and capillary pressure of each element using PMX column in element block. But I find some problem when I need to change…
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Difference between 'e' and 'd' in power expression
Hi, it might be a minor problem though (because I am a newbie to scripting), Sometimes the power expressions are written in 'd', not 'e' (e.g. 1.0d-9, not 1.0e-9 especially in DIFUN filed).…
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Compilation mistake
I have been trying to use Tough2 version 2.1 in Windows 7 (64 bit) but it hasn’t worked. I am using the commands gfortran -c -O2 -fdefault-real-8 -fno-align-commons -fdefault-double-8 -funroll-loops…
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Turbulence in TOUGH2
So I'm doing a bit of modelling on modelling high permeability faults and was getting some large fluxes of fluid (yay!) but.... I was wondering whether TOUGH2 is accurately representing these systems…
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Coupling between flow and processes
Hi there, I am wondering how the fluid flow and heat transport are coupled in Tough2. Are fluid and heat flow equations solved iteratively ? I would be thankful if could help me in this regard.…
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Initial Geochemical Equilibrium between Minerals and Brine
Hello there, I'm simulating CO2 injection into sandstone aquifer of synthetic brine, NaCl. I've read in several papers in which TOUGHREACT w/ ECO2N is used and something is mentioned like "batch…
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Error in Output File EOS1
Hallo team, I have problem with output result of my current model which is created in Petrasim. I generated TOUGH2 file (.dat) of the model. I tried two ways to get the result:…
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Mass out problem of Sources/Sinks about drawdown
Hi everyone : I am trying to pump water and create drawdown in TMVOC I have a question about the pump water. My pump water point is below free water level 1m and want to create 1m drawdown.…
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Documentation on the Numerical Aspects in Forming and Solving the Equations
Hello, There are many papers on Toughreact but I am searching for a documentation/paper on forming the equations i.e. accumulation, convection, reaction terms and solving these equations.…
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what is the meaning of the running time is negative?
Hello everyone, can anybody tell me why the running time is negative? As shown in the figure? Thanks very much! sawyer
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Does the thickness in y-direction matters when using XYZ to generate X-Z mesh?
Hello everyone, I am using the TOUGH2/ECO2N code to simulate the injection of CO2. I intend to use XYZ MESHMAKER to generate a 2D X-Z mesh. So I want to ask that whether the thickness in y-direction…
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Simulating CO2 injection using EOS2
Hi, I am currently learning to use TOUGH2 and using sample problem 4 (file rfp) as the basis of my work. I was wondering if it's possible to edit the input file to change the feed composition and how…
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How to assign the material properties to mesh (ELEM block)
Hi everyone, I need to assign the material properties to mesh elements into the ELEME block. In the EOS7R sample there is the MESH_MatNum file in which the material properties are already been…
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Debugging
Hello I am running a problem and the simulation was halted at the middle of simulation. Here is the text that I found in the output file. How can I figure out and fix the problem?…
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iTOUGH2 EOS7 Compilation
Hello when compiling iTOUGH2 (linux) with EOS7 the iTOUGH2 manual indicates that the variables MAXK and MAXEQ within maxsize.inc should be set to 3 and 4 to allow for upto three components and 4…
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No Temperature change in iTOUGH2 forward model run, problems with atmospheric blocks
Hi Stefan, I currently have a couple of issues when running iTOUGH2 in forward mode, especially when trying to add topography (done using PyTOUGH). Often my outputs will simulate fluid flow and…
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Increasing the number of rock materials
Hi everyone, I am working with TOUGH2/EOS7C. I need to use 44 different rock materials in the ROCKS. I am wondering if there is any way that I can increase the number of rock materials from 27 to 44…
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permeable faults modelling
Hi there, Do you have any suggestion on modelling inclined permeable faults in tough2 model? how to refine faults zone only? Thank you very much Jing