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OUTPUT File Size
Hello, Does anyone know if it's possible to reduce the size the OUTPUT file by not printing the same information printed in the CSV/PetraSim/Tecplot file? For example,…
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Numerical instabilities introduced after printout
I'm running a simulation with intermittent printouts using TOUGH3. I noticed that, after some of those printouts, numerical instabilities are seemingly introduced that stall the remainder of the run.…
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mesh creation
I have a question regarding mesh creation. I appreciate if you could help me. Is there any limitation for creating mesh? I know in finite difference software like MODFLOW , for example,…
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Simple model test with ECO2N
I was testing the ECO2N module compiled by myself (Linux version). I built a simple model with 2 grids. I set pressure difference of 2MPa and gas saturation difference of 0.…
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LINEQ
I am trying to model chemistry reactions in porous media. To build the model from the base, I run the case without injection/production or any chemistry reaction. From the flow.out, the MAX.…
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SAVE file not consistent with OUTPUT
Hello, I am running TOUGH3 EOS7C for a gas reservoir modeling. The SAVE file will be used as INCON but I realized that some SAVE files are not consistent with the OUTPUT file.…
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Efficient time stepping with great variability in pumping/shutin period durations
Dear colleagues, I am history matching a pumping test that consists of two 3day flow periods each followed by a 10d shutin periods. The flow rates were not constant during the pumping periods and…
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Liquid saturation definition
Recently, I showed my simulation results to my colleagues. I was asked a question, what is the liquid saturation and gas saturation. I have tried to explain, but I was confused finally.…
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MINFLAG units
I'm doing TOUGHREACT simulations. For the kdd_min.tec file, MINFLAG I used 'Change of mineral abundance in mol/m3 medium'. I don't know what this 'medium' mean.…
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TOUGHREACT Workshop Files
Hi, How can we get the files which are mentioned in the TOUGHREACT workshop handout here: https://tough.lbl.gov/assets/files/02/support/TOUGHREACT_Sample_Problems.…
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The pore pressure decreased near the non-reservoir wellbore during the CO2 injection process
Dear TOUGH community users, When I used T2WELL/ECO2N to simulate carbon dioxide non-isothermal injection, I found that when using cryogenic supercritical CO2 injection,…
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Can't assign more than 500 number of material?
Hello, I am new to TOUGH2. Now, I want to generate a heterogenous field in TOUGH2, and the mesh is 50*50. Every grid has a unique material, so there are 2500 material in my model.…
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TOUGHREACT model boundary grid Settings
Hello, I want to set up flux-free boundary conditions in TOUGHREACT, how do I set up the related mesh?
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How many materials can be included in TMVOC?
Hi everyone! These days I am trying to use TMVOC to simulate DNAPL spill and redistribution in a heterogeneous medium. However, I found that there seemed to be something wrong with my code.…
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Some questions about TOGA
Dear TOUGH community users, I am new to TOGA and I have some doubts about TOGA. (1) Whether mineralization reaction can be added to TOGA, so that I can determine the distribution of mineralized…
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How to remove grid cells from simulation
Hi everyone, I am working on 3 dimensional model that includes injection well, leaky well, injection zone, cap strata, and shallow aquifer. I am using T2Well to run the simulation.…
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Training
Hi all, Is there any training in UK or online for beginners as I need to get to use Tough2 and add Flac3d to it later
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How to output viscosity in the output results
Hello every one, I want to know how to output water and CO2 viscosity at every grid block in the output results file. Thanks in advance
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Carbonate cement distribution in 1D model
Hi, tough users I created a 1D model (EOS1) to simulate the carbonate cement. The initial temperature (15-26 C) and pressure (0.2-5Mpa, equal to 500 m depth) distribution are included in INCON file.…
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Hysteresis and non-wetting phase entrapment saturation
Hello everyone, First of all, thank you all for your help. I have a question related to gas permeability. In a wetting process where \( k_g(1 - S_{\delta_{gr}}) = k_g(S_{l^*}) = 0 \),…
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HOW DOES THE ELEME BLOCK WORK? (NOVICE ALERT!!)
Hi guys, I am a novice in using T+H. Could someone explain to me the values in the ELEME block input file for the Test_1T Problem in the Manual? Also, in the CONNE block,…
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Error Message
Hi everyone, I have the following error message while running T2Well. Can anyone clarify what is the problem? At line 677 of file t2f.f (unit = 5, file = 'stdin') Fortran runtime error:…
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iTOUGH2 work with EOS7C
Hello, I am new to iTOUGH2 and wanted to estimate parameters in a model with EOS7C module. I learned from the iTOUGH2 users guide that the maximum number of primary variables (MAXPV) is 4.…
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Output flux of aqueous species
I would like to output the flux of all aqueous species across specified connections. Is this possible? I am using TR3.32. Thanks, Heather
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ECO2M: Extracting Vector Orientation
Hello, I'm using TOUGH2-ECO2M and interested in extracting the "direction/orientation" of the vector output data (flow of heat, flow of fluid, etc), ideally generated in the same CSV format as in…