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Convergence problem for the surface complexation model
Dear Sir or Madam, Sorry to disturb you. I am Lang. I created a 1D transport model with surface complexation. I found it could not achieve convergence,…
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Post and Pre-Processing free codes for TOUGH2
Hi everyone, I`m trying to download the free codes developed for TOUGH2 post and pre-processing parts but all the links are broken on the National Berkeley Lab website.…
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Non-isothermal models in EOS 7C
Hi All, I was trying to run the example 2 model that is included in TOUGH 2-EOS7C under a high temperature and pressure condition (100C and 30MPa) using the non-isothermal option.…
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Creating an angled domain
Hi, I want to create an angled domain to represent a fault as shown in the figure in color red. I'm using Meshmaker v1.5 to create the mesh. So far, I have managed to create a vertical domain for…
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Empty FOFT file
Hello, I was wondering if someone could help me with the following problem. I am running ToughReact1.2(eos3) and would like to use the FOFT keyword to obtain time-dependent data for selected…
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Sensitivity Analysis
Dear All, After running a CO2 injection model, I performed a sensitivity analysis to determine the sensitivity of my model with respect to some key input parameters (i.e.…
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9.4 Problem No.4- Five-spot Geothermal Production/Injection(EOS2)
Dear all, I have been studying and trying to run this problem example in the manual cause it is similar to my Project. I'm trying to view the simulation results using TOughViewer.…
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The difference depending on the position of the well
I am doing simulation of methane gas recovery using TOUGH 2 EWASG. I created a three layer model of paleogene, cap rock, cretaceous in order from the top.…
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Error 'Program received signal SIGSEGV: Segmentation fault' after increasing MGTAB
Hi, I increased the MGTAB value in the T2 file to 9000 and recompiled the code. However, when running I receive this error message: Program received signal SIGSEGV:…
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how to define MOP
Hi all, I am a very fresh user and have some difficulties specifying MOP . TOUGH+ manual contains few examples of input files. I have read those and found myslef completely confused about which part…
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Confused by the choice of boundaries based on the experiment
Dear Sir or Madam, Sorry to disturb you. I want to simulate the 1D contaminant transport using TOUGHTRACT v3.0. My experimental model is the simple constant injection with constant concentration C0…
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Failure of flow.inp in TOUGHREACT v3.0 generated by PetraSim
Dear Sir or Madam, Sorry to disturb you. When I run the flow.inp generated by the PetraSim (TOUGHREACT v1.2) in TOUGHREACT v3.0, and I found it could not work.…
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Pytough: Grid type TOUGH not supported.
Hi all, This is the first i am using pytough script. I am trying to see the summary of model geometry by using mulgrid in pytough. The Tough2 input file (as you can see in attachment) was generated…
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Instant release EOS7R
Hello everybody, To simulate an instant release of a radionuclide in eos7r, we have to insert a no-zero value of the component in the INCON block. This value should be the mass fraction of the…
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Failure of convergence in the simple 1D flow model
Dear Sir or Madam, I just built a simple 1D flow model (EOS9). I found it could not converge with my experimental parameters, however, it worked when I changed the porosity and permeability, (i.e.…
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Compiling/Executing TOUGH+RealGasBrine - Also, Hysteresis?
Hello, I would greatly appreciate some help getting TOUGH+RealGasBrine running on my PC. Below is a summary of the things I have tried so far without success:…
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Theis solution
Dear All, Does anyone have a test file of the Theis problem (such as the one presented in Moridis and Pruess 1995)? Thank you in advance! Virginie
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MINC for general dual porosity modeling
Hello, is it possible/advisable to use MINC for more general analysis of multiple interacting continua, i.e., without fractures? I'd like to model flow through two porous media with different…
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Run a diffusion problem to equilibrium
Hi, I am working on a diffusion problem with a small gradient. The anticipated equilibrium time is ~30000 years. The best simulation time I can get for now is ~1000 years.…
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Strange pressure output from EOS7C
I have been struggling for several months now to understand how pressure is accounted for in some TOUGH2-EOS7C simulations that I’ve been running. The fact that the code outputs a single “Pressure”…
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Modelling the incongruent dissolution
Hi all, I'm trying to simulate CSH(Ca-Si-H2O) dissolution, which is usually considered as an incongruent solubility behavior. I'm thinking how to simulate the reaction of CSH with high Ca/Si ratio…
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MINC fracture spacing effect
Hi there, we are building a dual-porosity model in tough, I'm not quite understand how will the different fracture spacing affect the simulation result, when fracture volume fraction is the same?…
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Failure restarting Toughreact simulation.
Hi Everyone, I want to run a model with the geochemical data of a previous model. I follow the manual instructions changing the names of the SAVE and savechem files to INCON and inchem.…
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MINC interface surface area
Dear Stefan, I have been working with MINC for some time now. Just today, I found out that the interface surface area between two adjacent cells is the same for the fracture and matrix volumes.…
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Estimating multiple time-dependent rates from the same source?
I'm attempting to estimate two time-dependent rates from a heat source/sink, but it appears only to allow estimates of the first one that's listed in the iT2 input file.…