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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,…
- 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
- 2,670
- 3
- Andri Arnaldsson2 yrs ago
- TOUGH2
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
- 7 yrs ago
- 7 replies
- 2,224
- 2
- Stefan Finsterle7 yrs ago
- TOUGH2
1
Questions on NAPL volatile and dissolution
Hello everyone and Stefan, I have several questions on NAPL volatile and dissolution into water. Based on the manual, volatile is controlled by temperature,…
- Fang Wang
- Fang_Wang
- 7 yrs ago
- 6 replies
- 1,210
- 1
- Somnus1 yr ago
- TOUGH2
1
libgcc-s-dw2-1.dll & libgfortran-3.dll
I want to run executable file for Tough2 EOS7CA. I receive the following error messages: "The code execution cannot proceed because libgcc-s-dw2-1.dll was not found.…
- Shirin
- Shirin_Samani
- 2 yrs ago
- 2 replies
- 153
- 1
- Brad Castleberry1 yr ago
- TOUGH2
1
TOUGH-FLAC coupling
Hi, I am trying to use a coupled TOUGH-FLAC simulation on a reservoir model. I am just starting with a simple 'cube' model with uniform properties. I went through some of the works done by Jonny…
- Sulav Dhakal
- Sulav_Dhakal
- 2 yrs ago
- 3 replies
- 185
- 1
- Brad Castleberry1 yr ago
- TOUGH2
1
Actually, I need a software I could model the Coupling Thermo-Hydro-Mechanical damage.
I was wondering if this software(TOUGH2) is suit for this purpose or not. please let me know if you have any more information in this area. Thanks
- somayeh
- somayeh
- 7 yrs ago
- 7 replies
- 1,998
- 1
- Stefan Finsterle2 yrs ago
- TOUGH2
1
How to define heterogeneity in TOUGH2-ECO2N
Hi I am a new TOUGH user. I am interested in learning about defining fluid injection models with TOUGH2. I would like to learn about building heterogeneous models - which Kx and Ky differ from one…
- Xu
- neon_hat
- 7 yrs ago
- 4 replies
- 807
- 1
- Ramin2 yrs ago
- TOUGH2
1
Quick fix of a bug in ECO2N V2.0
In the ECO2N V2.0 User’s Guide, it says that setting IE(16)=1 invokes the CO2/brine mutual solubility formulation from ECO2N V1.0 for low temperature (<99C).…
- Lehua Panmoderator
- Lehua_Pan
- 4 yrs ago
- 2 replies
- 491
- 1
- Brad Castleberry2 yrs ago
- TOUGH2
1
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,…
- Hamid Amini
- Hamid_Amini
- 7 yrs ago
- 2 replies
- 1,009
- 1
- Ali Moradi4 yrs ago
- TOUGH2
1
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…
- Suhendi Cahli
- Suhendi_Cahli
- 5 yrs ago
- 7 replies
- 1,350
- 1
- Suhendi Cahli4 yrs ago
- TOUGH2
1
problems running an old TOUGH2 model
Hi. I am trying to run an old model that made by another student last year, and receive the following error message in the command prompt: forrt1: severe <64>: input conversion error, unit 5,…
- Nora
- Nora
- 7 yrs ago
- 7 replies
- 1,024
- 1
- Andri Arnaldsson5 yrs ago
- TOUGH2
1
Atmospheric Boundary Conditions
Hi all, I am confused with the boundary conditions that have to be imposed in an atmospheric boundary element for simulating evaporation with TOUGH2 (or TOUGHREACT). In a few slides ( http://esd1.…
- Anthony
- Anthony.1
- 5 yrs ago
- 10 replies
- 1,866
- 1
- Anthony5 yrs ago
- TOUGH2
1
problem with initiatal conditions eos3 diffusion of water vapor in water in unsaturated soil layer
Dear moderators in my problem i have to solve the diffusion of water vapor in water in unsaturated zone attached are the input file and mesh file i could not find the problem even i tried for long…
- madi
- madi
- 7 yrs ago
- 1 reply
- 941
- 1
- Stefan Finsterle5 yrs ago
- TOUGH2
1
Circulating same produced fluid
Hi I am using TOUGH2-ECO2N module for CO2 injected into brine filled reservoir. I am trying to simulate where the produced fluid has to be circulated back into the system.…
- Nagasree Garapati
- Nagasree_Garapati
- 7 yrs ago
- 2 replies
- 682
- 1
- Nagasree Garapati5 yrs ago
- TOUGH2
1
error message when using EXT.exe
Hello TOUGH users and specially Stefan, I need to export TOUGH2 results to Tecplot. I used EXT.exe but afte 6 timesteps this error message appears: forrt 1: severe <64> input conversion error,…
- Youhanna
- Youhanna
- 7 yrs ago
- 1 reply
- 736
- 1
- Stefan Finsterle5 yrs ago
- TOUGH2
1
XAIRL in volume element with no liquid phase
Hello TOUGH users! I am simulating a simple diffusion problem with EOS3. In my model, I have a volume element which is fully saturated with air and the rest of volume elements are fully saturated…
- Youhanna
- Youhanna
- 7 yrs ago
- 1 reply
- 735
- 1
- Stefan Finsterle5 yrs ago
- TOUGH2
1
Gas relative permeability: equation ???
Hello everybody, I have one question regard the document Tough v2, in "tough v2.0 manual" , we assume krg=1-krl if Sgr=0, we found that this is very strong assumption and which is not confirmed by…
- Tran Van Quan
- Tran_Van_Quan
- 6 yrs ago
- 2 replies
- 493
- 1
- Tran Van Quan6 yrs ago
- TOUGH2
1
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.…
- Ravid
- Ravid
- 6 yrs ago
- 4 replies
- 1,052
- 1
- Ravid6 yrs ago
- TOUGH2
1
perm. factor
dear all, I want to ask the "perm. factor" in "set cell data", (ex: I want the domain area's K field mean=1E-13 and standard deviation=1E-14) Does it means that I can use Excel to generate a random…
- MathewLin
- MathewLin
- 7 yrs ago
- 2 replies
- 678
- 1
- MathewLin6 yrs ago
- TOUGH2
1
Disappearing gas phase during simulation of CO2 injection
Dear all, I am trying to simulate an injection of CO2 into a brine saturated aquifer with Toughreact 1.2 and ECO2N EOS module (1D, radial). Everything works fine until the gas saturation Sg in the…
- Lennard
- Lennard
- 7 yrs ago
- 2 replies
- 862
- 1
- Lennard6 yrs ago
- TOUGH2
1
Is there a possibility to extent the TOUGH2 pressure range?
Hello everyone, I am using TOUGH2 to simulate two phase flow in deep subsurface waste repositories. The pressures in the systems can reach quite high values due to gas production and high…
- André Rübel
- Andre_Rubel
- 6 yrs ago
- 3 replies
- 790
- 1
- André Rübel6 yrs ago
- TOUGH2
1
Hi. I am completely new to TOUGH2. I have some examples but I do know how to run it. What is the procedure? which one is makefile?
- Madjid Delkash
- Madjid_Delkash
- 6 yrs ago
- 2 replies
- 794
- 1
- Stefan Finsterle6 yrs ago
- TOUGH2
1
Water column above soil for infiltration processes
Dear Stefan, I investigate infiltration processes to look after the most effective one for a specific area. For that reason I would like not only to change the infiltration beginning and ending but…
- Sebastian
- Sebastian
- 7 yrs ago
- 4 replies
- 766
- 1
- Stefan Finsterle6 yrs ago
- TOUGH2
1
Dual porosity flow crash
Hello, I'm trying to set up a EGS simulation where 120 °C water is injected into a 270 °C reservoir. The aim is to get the system up and running with TOUGHREACT but since those simulations keep on…
- Bergur Sigfusson
- Bergur_Sigfusson
- 7 yrs ago
- 1 reply
- 761
- 1
- Bergur Sigfusson6 yrs ago
- TOUGH2

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