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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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initial volume fraction of the mineral
Hello everybody, I have just one trouble, could "initial volume fraction of the mineral" be superieur 1 ? Thank a lot.
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Question about constant rate
Hi, everyone, I am trying to add the constant mass injection case in my model. Based on the manual, I uses the "mass" to represent the injector by using the dummy element.…
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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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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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What is the popular way to visualize 3D results from TOUGHREACT
Hi, I have unstructured grid created by GMSH, what is the popular way to visualize 3D results from TOUGHREACT I tried TOUGHIO, but it won't read my flow.out properly
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How to show the permeability and porosity changes?
I'm using TOUGHREACT1.2/ECO2N with Petrasim,and i found that my result shows that the permeability and porosity is the same as my initial value,but I have opened the KCPL to consider feedback effects…
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How to set reasonable injection rate?
Hi, everyone. I want to simulate the dissolution and precipitation induced by meteoric water injection. Firstly, I acquired the annual rain precipitation about 100 mm/a.…
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initialization of water composition
Hi, Recently, I tried to use toughreact (EOS1) to simulate fluid-rock interaction including dissolution and precipitation. But it always reminded me “convergence problem in initialization of water…
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Visualize data using MATLAB - Github link inside
Hello TOUGH/TOUGHREACT community, I would like to share some code I developed on MATLAB to visualize pressure profile, gas saturation, pH, etc. This code only works for 2D data. https://github.…
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New to Tough simulator, question about Mesh
Hi, I am new to Tough simulator, and I have built a model in Gmsh, it would be great if anyone tells me what material I should look at to use my model. Thanks!
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Last bock in CO2TAB file
Hello everyone: I have difficulties to understand the last block in CO2TAB file and search for help from here. I know the previous blocks are pressure, temperature, viscosity,…
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TOUGHREACT/ECO2N:CANNOT FIND PARAMETERS AT ELEMENT * 1*
Hi Everyone, I'm new at using ECO2N of TOUGHREACT. And the following problem is encountered when I used PetraSim to simulate. It's a simple model. And I model a strata from -2260m to -2900m below…
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How to calculate what portion of a constituent adsorbs.
Hello there, I ran a 1-cell chemical initialization simulation that includes surface complexation for 1000 years. For some constituents such as Cr, the total sorbed moles are more than their initial…
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Permeability-Porosity relation
I use the TOUGHREACT EOS1 to model chemical reactions in porous media. In the Permeability-Porosity relation, I choose the Verma-Pruess correlation. The equation is k/ki=(phi-phi_c/phi_i-phi_c)^n.…
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How to monitor the temperature change of the sink with time?
Hi gays, I'm trying to simulate plume geothermal systems using toughreact. I want to output the temperature change of the sink at each time step, but I don't know how to set it.…
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Radioactive chain decay
Hi Is it possible to simulate radioactive chain decay (i.e parents produce daughter elements) in TOUGHREACT? It is more complicated than the simple decay equation,…
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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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Nonconvergence of TOUGREACT v332 (ECO2N)
I am performing 2-D radial simulation using TOUGHREACT (ECO2N). When I carried out the simulation using v332, the message "Stopping in main due to flow nonconvergence" appeared after several time…
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Role of ico2h2o and mass balance
I have run a number of simulations using Toughreact Versions 1.2 and 3OMP and the ECO2N EOS. In trying to understand the mass balance I have tried runs with 0 entered for ico2h20 and 1 or 2 as well.…
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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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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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During CO2 sequestration at basalt formation, time step size rapidly decrease
hello, everyone. I am graduated student, during master degree. I'm constructing simulation model about basalt CO2 mineralization. I am utilizing TOUGHREACT 1.2.…