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TOUGH Tips & Tricks
A Faster Way to Make You a TOUGH Expert The following is a collection of TOUGH Tips and Tricks that may help you solve TOUGH problems. To post your own TTT,…
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EOS7C poor convergence, e.g., in subroutine SOLIT
EOS7C v.1 models five components (water, brine, CO2 or N2, tracer, and CH4) and heat. Many users have noticed that time-step convergence can become poor during CO2 injection problems,…
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Convergence problem chemistry
Hello, everyone, I was running a water-rock interaction model with Toughreact. The runlog.out file prompted "Warning: chemistry did not converge at node A1114 (routine NEWTONEQ),…
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Defining a multi-layered aquifer in TOUGH2
Dear All, I am trying to simulate a sandstone aquifer capped by two sealing layers (Shale and evaporite), so there are totally 3 layers in my model. I think there are two blocks in the input file…
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Tough+ Hydrate: Zero support: No Matt Reagan or George Moridis
I am just bewildered by the lack of initiative or support or help for TOUGH+ HYDRATE There is absolutely not a single moderator or software developer available to answer the queries? On top of that,…
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Visualize data using MATLAB - Github link inside
Hello TOUGH/TOUGHREACT community, I would like to share some code I developed on MATLAB to visualize pressure profile, gas saturation, pH, etc. This code only works for 2D data. https://github.…
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Tough2-FLAC 3D
Hello guys . I need help . I am trying to convert the coordinates (x,y,z) in tough2 output files into nodes of FLAC 3D. I came across FLAC2TOUGH but this matlab code convert FLAC 3D data into tough2…
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Web application toughio-dash released to public
Hello, The web application I developed to pre-process TOUGH input files has been released to the public and can be accessed via: https://toughio-dash.lbl.…
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Compiling and Running TOUGHREACT v3.32 using Ubuntu/Linux
Hey everyone, I've been able to get the newest version of TOUGHREACT working with my workstation, which has Linux/Ubuntu (v 17.04) as its OS. Setting things up didn't go without hitches, though,…
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No change in minerals vol. fraction
Dear All, I am a beginner in TOUGHREACT simulation and I have issues with getting results from simulation. This simulation performs simulation and there is no error indicated in the runlog file,…
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Lithofacies random fields in TOUGHREACT?
Hi, I am trying to apply random fields both in flow and rock chemistry. I know I can do one for the flow field using permeability modifier (PMX) option equipped in TOUGH2 (flow.…
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Time stepping in dry-out zones
Hello all, I know it is a general question, but any hint will be appreciated. I am running a 3D model of CO2 injection into a layered aquifer using the ECO2N module.…
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Question on the block of CONNE
Hello everyone, I have a question on the block of CONNE. Whether can I only input part of the connections between two cells instead of all the connections?…
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What does negative H+ concentration mean in TOUGHREACT?
I am running some simuations, the results seem to make sense (including pH). But why does the h+ concentrations are negative? Is there a special calculation to convert h+ to pH?
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TOUGHREACT1.2/ECO2N: About the inject rate and maximum pressure
Hi, everyone I'm using TOUGHREACT1.2/ECO2N with Petrasim. I am simulating the injection of CO2(isothermal) at a constant rate of 6.5kg/s(just one GENER)using a rectangle mesh,…
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Coupled reservoir-wellbore model initialization (using T2Well)
Hello everyone, I have started using T2Well to simulate coupled reservoir-wellbore problems recently. While initializing the numerical model, I find the following problem;…
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TOUGH3 installation issue
I realized many people have difficulty in compilation of TOUGH3. After polishing the installation cmake scripts and reorganizing the installation package, compilation of TOUGH3 should be more easy,…
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Converting single porosity mesh into dual porosity (dual-perm) mesh
By any chance, does anyone know a way of converting single porosity mesh elements file into dual porosity (dual-perm) mesh model file (with correct connections)? Would appreciate any feedback.…
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EOS5 but Helium in stead of Hydrogen
Hello, I am trying to simulate a year long helium injection with varying rates using EOS5. I'm wondering if I would need to change something in the source code for this to run correctly,…
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Two phase flow (Diffusion vs advection) with mesh sizes
Dear all, dear Finsterle, I have a question regarding the mesh size and its impact on diffusion in two-phase flow. I'm curious to know if the mesh size affects the diffusion from element0 to element1.…
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Simulated CO2 injection into aquifers using T2WELL/ECO2M did not run successfully
Dear TOUGH community users, I am new to T2WELL/ECO2M and I am simulating CO2 injection into the aquifer, establishing a model of 0~-900m, the aquifer is located at -750~-800m,…
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CO2 storage in saline aquifer with ECO2N
Hello All, I am working on CO2 storage using ECO2N. In the output file, we have the following variables. "P T SG SS XNACL YH2OG XCO2aq PCAP k-red" How can I calculate the Mobile CO2,…
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Run the iTOUGH2 with command line
Hello, I'm student, and a beginner. Now I'm doing a research about multi phase flow analysis. I try to learn about iTOUGH2 with eos3 but I have problem to running it (like the image attached ),…