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Convergence failure at production well
Hi everyone, I am trying to heat up water and NAPL (atmospheric pressure) with a production well for vapor extraction at cell #341 (atmospheric pressurre and productivity index 1e-10 m3 ).…
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Reduced time step when water boils
Hi everyone, I am trying to model the conductive heating process in water-saturated soil and I found the time step is reduced to a quite small value when water starts boiling.…
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TOUGH3 installation on PC updates: Install Ubuntu Terminal and then install TOUGH3
If the operating system is Windows 10, a better option than Cygwin is Ubuntu Terminal. Updated instruction for TOUGH3 installation on Ubuntu Terminal can be found here (Installation File,…
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Temperature limit
Hi everyone, I am trying to model thermal condutive heating in unsaturated soil and I need the temperature to get above 500 degrees C after water dries out.…
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TOUGH2Matlab
Dears, I would like to know if TOUGH2Matlab can be used to post-process the results obtained using TOUGH3. I have tried to use TOUGH2Matlab to read the MESH and OUTPUT files obtained using TOUGH3,…
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Total No. of Aq. Complexes
Hi Everyone, I just found from an error message that there is a default limitation for maximum number of aqueous complexes to be used in the TOUGHREACT simulation i.e 70.…
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Why does the partial pressure of carbon dioxide change so much when SG is greater than zero？
I use eos2 to simulate phase transition (phase change) it is a very simple model to study the Pco2 change. but it is a little bit hard to explain. I found SG>0,…
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Steady-state simulation of a low-type geothermal system
Dear TOUGH2 Users Good morning/afternoon This is my first post to this forum and I’d like to receive guidance and help to perform a steady-state natural simulation model of a low-type geothermal…
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Compilation TOUGHREACT on Windows using gfortran and Cygwin
I am having some problems with compiling the original source code of TOUGHREACT. I have tried using all of the compiler flags and the ones suggested on this forum.…
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Printing outputs to a single file when running in parallel
Hey everyone, I'm running through a complicated simulation using tough3-eos7 with lots of phase shifts due to boiling. I noticed that, when I run the problem in parallel ("mpiexec -n <# of…
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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…
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How to improve the stability of the numerical results without changing the grid discretization ?
Dears, I have the following simulation case for CO2 injection in stratified aquifer using 2D grid model. I have slight fluctuations in the pressure results.…
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An error of test problem # 7: CO2 layered formation.
Dear all TOUGH2-MP users Hi. I'm Sungho Lee. Recently, I have been faced a problem about TOUGH2-MP. I installed TOUGH2-MP on my PC cluster(mater + 3 compute nodes).…
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Grid orientation effects on mineral dissolution
Hello everyone, I made the model with homogeneous mineral distribution and set the acid source at center position. At first, I run the model without permeability enhance due to the mineral…
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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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Question on DELV control
Hi again ! I have a question about the use of the Deliverability well control : What is the parameter HG in the GENER keyword used for ? What happens when it's defaulted ? (HG thickness of layer, m;…
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Can we used a Neumann boundary condition for temperature simulation in TOUGH2?
If I know the heat flux (18 W/m^2), should I use the Neumann boundary condition? can I use it in TOUGH2? Thanks
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TOUGH2Matlab
Dears, I would like to know if TOUGH2Matlab can be used to post-process the results obtained using TOUGH3. I have tried to use TOUGH2Matlab to read the MESH and OUTPUT files obtained using TOUGH3,…
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INCON format in the *203t ECO2n samples
In the samples for Tough3 ECO2n, there are several cases whose name ends in 203t where the INCON keyword looks strange to me. For each element, there are 6 lines for the values of the primary…
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Specifying material types for stratified heterogeneous reservoir
Dears, I am trying to model CO2 injection in heterogeneous aquifer that is composed of 23 layers with different porosity, permeability, and capillary pressure data.…
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How to simulate mixed gas injection with Toughreact v1.2
Hi I am trying to develop a model that is used to simulate a mixed gas to inject into a formation, and then get a gas-water- rock reaction model. The mixed gas includes CO2 and H2S and H2.…
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Inhibitor parameters in T+H
Browsing through the sample files I encountered the following two lines that sets up the inhibitor in the HYDRATE Section. In the manual, the following parameters are set for the variables…
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Conductive heat flow in output files?
Hi all, Is it possible to print specifically the conductive heat flow between two blocks? I believe the "HEAT" column in the output file and the COFT files contains all heat components (conductive,…
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Cross flow between stacked layers
Dears, Is there is a way in TOUGH3 to output mass flow rate between stacked layers (NOT grid cells) with time?