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Mass Balance for trace gases in TOUGHREACT V3-OMP
Dear colleagues, I stumbled about a little problem concerning the mass balance for trace gases using the new TOUGHREACT V3-OMP version. I am simulating the injection of CO2 containing trace gases…
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Timestep problems while including O2(g) in calculations (V3-OMP / ECO2N)
Hello everybody, I have found the next problem for you to resolve :-). I am using Toughreact V3.0-OMP, but the problem would appear with V2, too, I assume.…
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Prescribed boundary conditions for chemistry but constant flow rate BCs for flow
Hi all, I'm using TOUGHREACT with ECO2N module. In the simulations, the flow is injected at a constant flow rate and due to dissolution/precipitation, the pressure would change at the boundary cell.…
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TR-V3-OMP: Composition of gas zone / VOLG
Hello everybody, I am using the new Toughreact Version 3.0 OMP with ECO2N EOS. I took the Sample problem no. 5 (1D radial model for CO2 Sequestration) and tried to add some SO2 as tracer gas in the…
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Question about Restart in TOUGHREACT
Hello Everybody, I am struggling to get running a restart and I would really much appreciate your insights. I'm using eos1 in toughreact_V2. The first run is a 2d model in which I have 8 minerals,…
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Restart timestep
When restarting a run after long time calculation (e.g.1000year) and continuing the run until 10000year, I can't start the restart run properly. In the SAVE file,…
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How do I conduct a batch modeling of NaCl-water with primary minerals
Hello everyone, I am trying to conduct a batch modelling of NaCl-water with primary minerals in a rock sample over 10-year period to determine the brine composition and primary species in the rock.…
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flow.out - residuals and equations
Hello, I am troubleshooting model. I have set MOP(1) = 1 and trying to figure out why my time-stepping continues to get reduced. I have automatic time-stepping turned on.…
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Error when use MESHMAKER to generate XYZ mesh in TOUGHREACT ECO2N sample problem
Hello dear, I am trying to learn the ECO2N module in TOUGHREACT, so I began at the sample Problem 5 – 1-D Radial Model for CO2 Sequestration in a Deep Saline Formation.…
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EOS1 non-convergence
Hello! I am a beginner in TOUGHREACT. I ran it based on the input file provided by the author of a paper. However, when I ran toughreactV2.0, I found that the model did not converge and the program…
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Reservoir Temperature Change
Hi all, In the current simulation I'm running, the reservoir temperature change is far less significant than I would expect (50 kg/s for 30 yrs with only localized grid block temp change).…
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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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TOUGHREACT and MODFLOW grid
Is TOUGHREACT AND MODFLOW grids interchangeable? Let's say I have a 3D MODFLOW grid for a project and now I want to use the same grid, potential same flow solution and transfer it to TOUGHREACT to…
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Temperature dependence cation exchange
Hello, I included cation exchange in my simulation, in which I simulate injection of hot (90 degrees C) water into a relatively cold aquifer with the exact same composition.…
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EOS2 non-convergence
I'm new to TOUGHREACT and have built a simple mesh and created a temperature and pressure gradient with INCON. Now, I am trying to run flow.inp through TOUGHREACT (EOS2) before I move to the solute.…
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How to set up well bore
Hi TOUGH community, I am trying to incorporate a well bore into my simulations in TOUGHREACT, and I am confused on how to set up my mesh. Please, kindly Assist.
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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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how to set up initial chemical conditions?
Hello, I've just started using Toughreact, and I am wondering how to set up the chemical initial condition. Should I run a simulation to let TR calculate the brine chemical composition at equilibrium,…
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CONSTANT pH PROBLEM
Hello everyone. After running a simulation (injection of CO2 into a saline aquifer), I observed that in my result, the pH remained constant at all times for my chemical initialization, injection,…
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Batch Model with Brine Injection and Secondary Minerals Precipitation
I am attempting to set up a batch reaction model. Initially, the formation water equilibrates with calcite, gypsum, albite, illite, and k-feldspar. Then,…
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Speciation with brine using Pitzer
I am trying to run a simple speciation problem with a brine composition in contact with some minerals (like Albite, Barite, Illite, K-feldspar etc.). The idea is to use the results of the speciation…
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chemistry did not converge at node
Hi,tough community users, I try to carry out the 1D fluid-rock modeling for meteoric water dissolution during 10e4 years. In the runlog file, I occasionally found this error,…
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Error message: Components missing:h2o
Hello All! I am trying to run a batch equilibrium simulation with several mineral phases including goethite and others having h2o in the reactions equation.…
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how to set initial temperature distribution
Hi,tough community users, I want to prepare the initial or stable pressure and temperature conditions for EGS. INDOM was introduced into my flow file. The UPPE1 reservoir is the top mesh having 1.…
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About the fluid velocity in the governing equation
Hi, everyone, I'm currently studying the governing equations underlying TOUGHREACT, particularly in the context of the ECO2N module. The entire solution process is as follows: (1)For the fluid flow…