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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,…
- 1 yr ago
- 8 replies
- 3,697
- 5
- Ludovic Ricard2 yrs ago
- Help Articles
4
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,…
- Curt Oldenburg
- Curt_Oldenburg
- 8 yrs ago
- 1,523
- 4
- TOUGH2
3
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…
- Ramin
- Ramin
- 8 yrs ago
- 17 replies
- 2,673
- 3
- Andri Arnaldsson2 yrs ago
- TOUGH2
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,…
- KHS
- HYDRATE
- KHS
- 3 yrs ago
- 1 reply
- 245
- 3
- SHADMAN3 yrs ago
- Suggestions
2
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,…
- Assylay Amangeldiyeva
- Assylay_Amangeldiyeva
- 4 mths ago
- 39
- 2
- TOUGHREACT
2
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),…
- Johnny Zuo
- Johnny_Zuo
- 5 yrs ago
- 5 replies
- 763
- 2
- Leo Fuhrmann3 yrs ago
- TOUGHREACT
2
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?…
- Fang Wang
- Fang_Wang
- 8 yrs ago
- 7 replies
- 2,225
- 2
- Stefan Finsterle8 yrs ago
- TOUGH2
2
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?
- Qian Z.
- Qian_Z
- 8 yrs ago
- 2 replies
- 2,141
- 2
- Qian Z.8 yrs ago
- TOUGHREACT
2
Anyone has used PyTOUGH for TOUGH2-MP?
- Judith Li
- Judith_Li
- 8 yrs ago
- 4 replies
- 2,073
- 2
- Adrian Croucher8 yrs ago
- Pre & Post Processors
1
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,…
- Mikey Hannon
- Mikey_Hannon
- 4 yrs ago
- 10 replies
- 757
- 1
- Eric Sonnenthalmoderator15 hrs ago
- TOUGHREACT
1
Hello guys . Does anybody know how to simulate the deformation of the soil caused by fluidflow in both TOUGH and FLAC3D? Thanks
- Floriane Youzan
- Floriane_Youzan
- 1 yr ago
- 83 replies
- 245
- 1
- Nurgabyl Khoyashov1 mth ago
- Questions & Answers
1
T2Well questions
Hi there, Starting to play around with T2Well and having good fun. ;) Two things (at least) that I didn't understood: 1- ROCKS data block: the domain name for wellbore cells starting with 'x'.…
- Ludovic Ricard
- Ludovic_Ricard
- 3 yrs ago
- 4 replies
- 292
- 1
- jerryjames2 mths ago
- TOUGH2
1
T2Well constant fluid properties and EOS1 relationship?
Hi, I am currently modelling a wellbore with constant density, thermal conductivity and specific heat capacity thermophysical properties at surface temperature 40 degrees like so: Wella 2 1665.e00 1.…
- Hannah Doran
- Hannah_Doran
- 5 mths ago
- 7 replies
- 58
- 1
- jerryjames2 mths ago
- TOUGH2
1
toughio
Dears, I want to read the file SAVE output from tough+hydrate through the toughio library, but the code runs all the time and fails. How can I solve this problem? Thanks in advance
- LIN DECAI
- LIN_DECAI
- 3 mths ago
- 13
- 1
- Questions & Answers
1
A question about the additional mechanism under the Minerals entry in the chemistry.inp file
Dear All, Hello everyone! I just started learning toughreact software. At the moment, I am a bit confused about the description of the additional mechanism under the Minerals entry in the chemistry.…
- zhou xiaoxiao
- zhou_xiaoxiao
- 4 mths ago
- 4 replies
- 54
- 1
- zhou xiaoxiao4 mths ago
- TOUGHREACT
1
Temperature limits of various ECO2N versions
Hi Folks, Anybody can send me a few words on this: We have a version of ECO2N (as a part of iTough2.7.0.) which doesn't perform with T>103.4, same indication seen in CO2Tab data that is limited to…
- Godarzi K
- Godarzi_K
- 8 mths ago
- 2 replies
- 24
- 1
- Godarzi K8 mths ago
- TOUGH2
1
The order of ELEME and CONNE will influence computation results
I used to think that ELEME and CONNE can be arranged in arbitrary order as long as the blocks provide same information, but recently I found changing the order of ELEME and CONNE can significantly…
- Htliu
- Htliu
- 10 mths ago
- 1 reply
- 51
- 1
- Christine Doughtymoderator9 mths ago
- TOUGH+
1
Sequestered mass of CO2 not calculated/printed out by ECO2N
Hi there, I'm having a look at the example P5_eco2n (TOUGHREACT v332), on CO2 geological sequestration. To my surprise, the sequestered CO2 (output variable 'SmCO2') appears to be zero regardless of…
- Fernando Guerrero
- Fernando_Guerrero
- 11 mths ago
- 54
- 1
- TOUGHREACT
1
Looking for training sessions of Toughreact using Petrasim
Hi Everyone, I am new user of TR and I have research project that investigates CCS in Kazakhstan. Since the project can cover the training expenses, I would like to ask if anyone can explain how to…
- Nurlan Seisenbayev
- Nurlan_Seisenbayev
- 11 mths ago
- 50
- 1
- TOUGHREACT
1
Material balance in TOUGH-FLAC
Hello, I have a question regarding the material balance in TOUGH-FLAC coupling. Let's say that I originally had a porosity obtained from TOUGH as 0.3, and then after the FLAC calculation,…
- Kyung Jae Lee
- Kyung_Jae_Lee
- 1 yr ago
- 2 replies
- 32
- 1
- Kyung Jae Lee1 yr ago
- Questions & Answers
1
set different diffusion coefficient for different layer
As far as I know, only one solute diffusion coefficient can be set for all aqueous species，which is not practical. Is it possible to set different diffusion coefficient of one solute for different…
- sue
- sue
- 1 yr ago
- 7 replies
- 61
- 1
- sue1 yr ago
- TOUGHREACT
1
Large runlog.out file
Hi I am having problems with large runlog.out files causing my disk size to get full quickly. I have made sure that the parameters responsible for this in REACT block are not made greater than zero…
- Temitope
- Temitope
- 1 yr ago
- 1 reply
- 37
- 1
- Chenming Zhang1 yr ago
- TOUGHREACT
1
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,…
- Anthony
- Anthony.1
- 5 yrs ago
- 4 replies
- 613
- 1
- Anthony1 yr ago
- TOUGHREACT
1
toughio added
toughio is an open-source library that provides tools to facilitate pre- and post-processing for TOUGH using the latest Python standards. It aims to make setting up of a TOUGH simulation…
- helen prieto
- helen_prieto
- 1 yr ago
- 105
- 1
- Pre & Post Processors
1
Hi everyone, i am new to Tough+Hydrate. I compiled the source codes but the simulator didn't run. i have attached my run.
- paul
- paul
- 6 yrs ago
- 6 replies
- 1,094
- 1
- Alejandro Bello1 yr ago
- TOUGH+

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