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Input file
Hi I got an input file that some cells are not included in ELEM block; however, they have some connections with other cells. Does it have any meaning or it is a mistake in making input file? Cheers
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Using MINC to represent groundwater flow in fractured porous media
Hello, I am investigating whether TOUGH2 will enable better characterisation of groundwater flow than more basic, single porosity packages like MODFLOW.…
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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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Can anybody explain the meaning of DELV in GENER?
I'm not very clear about DELV and EX, can anybody help me? thanks very much! sawyer
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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
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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…
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time step control
Hi! Is there any way to make a simulation going on even if convergance occured on the first itteration for 10 time steps in a row ?
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simulating diffusion process in long time (near equilibrium) with TOUGH2
Hi! I am trying to simulate a simple diffusion poblem with TOUGH2. I am using EOS3, I can't get any results for long term (near equilibrium time which is in my problem around 80 days).…
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Error Message - out of range in SATB
My simulation of injecting co2 into a homogeneous reservoir using eco2n stops with the error message: +++++++++ REDUCE TIME STEP AT ( 50, 1) ++++++++++++++++ NEW DELT = 0.…
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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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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…
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EOS3 bug?
When I run the input attached I receive the error below. I do not have a number 466560 anywhere in the input file. When I debug the source code, temperature 27.0 becomes 46656000027.…
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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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ECO2N Steady state
Hi everybody! I'm a new Tough2 ECO2N user and i'm experiencing some problems by reaching the steady state condition... I will use it as Initial conditions for the simulations.…
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Lower limit of mesh grid?
Hello, I have the following problem by creating a mesh grid with Meshmaker: XYZ NX 20 0.0004 NY 2 1.0 NZ 20 0.0004 or XYZ NX 20 0.125 NY 2 1.0 NZ 20 0.…
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Tough2-Flac Coupler
Hi, I was wondering if Tough2-Flac couple module is available to public? if yes where can I download it? Thanks, Attila
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run time error M6201:math
Hi! Can anybody help we with this error. (error message is in the attached picture) I changed my 1D model from horizontal to vertical and this error comes out during running the new input file.
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Cauchy/Type III Boundary Condition
Hello, Is it possible to apply a head dependent boundary condition, where flux is a function of head difference between a cell and some prescribed value?…
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MINC to simulate dual-porosity reservoir, with some fractures are open, some are closed.
I'm using MINC to simulate dual-porosity reservoir, since I assume some fractures are open, some are closed, could I assign different permeability or porosity to fracture elements based on…
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EOS7C pressure range
Hi there, I read through both the tough2 and EOS7C manuals to find the pressure range limitation to run simulations, but I didn't find it. I have a abnormal high pressure reservoir,…
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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…
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CO2 mass balance
Hi all, I am experiencing a problem with CO2 mass balance in TOUGH2/ECO2N output. I am not able to figure out the reason behind missing CO2. After a year,…
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Compilation of source code files
To increase the maximum number of elements in Tough2 above 12000, we changed the T2 file in the fortran source code, and are now trying to compile the source code files according to the instructions…
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Problems with ECO2N V. 2.0
Hi All, I am experiencing some problems with the latest version of ECO2N. I have a series of simulations that run fine using ECO2N V1.0. However in version 2.…
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EOS7C-running problem
Hi everyone, I am doing a simulation with EOS7C in the heterogeneous coal seam aquifer with water and gas extraction from the well located in the middle of the model.…