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Mesh Creation
Hi everyone. I recently started learning ToughReact. I’m trying to learn Mesh creation from scratch and how to create a 1D or 2D mesh. how to I go about this? What resources are available?
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Pre-Processing using Matlab
Hai everyone, I am new to using tough2 simulation. Do anyone has experience in using Matlab as pre-processing to run the tough2? I tried to follow the code from the internet which is…
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CONVP block in solute.inp
Hello everyone: I have a question about implementing CONVP (chemical convergence bounds for time stepping) in solute.inp. I firstly make MOPR(10)=2 to make simulator read CONVP block.…
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Error with secondary species not found in thermodynamic database
Hello I am trying to run a TOUGHREACT simutlaion and everything is fine up until it reads the thermodynamic database. I get this error: "Error: The defined secondary species:…
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Ice in porous media T+H
Is it possible to model gas hydrate simulations in ice-bearing layers? Although there are different ice phases in TOUGH+HYDRATE, when we add ice into the system we got convergence failure problem.
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Asking for some basic training cases for TOUGH2/ECO2N model
Hello everyone, I'm a new learner of TOUGH2 for CCS project. I'm looking for some basic training case except from ECO2N Manual. I wonder if anyone could help me for this.
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call TOUGH in jupyter notebook and PyTOUGH
Hi All, I am using PyTOUGH to automate TOUGH simulation. However, when I try to call TOUGH in Jupyter notebook with this command subprocess.call(["path_to_my_tough3_executable(tough3-eos1)",…
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zero pore pressure boundary condition
Can TOUGH3 define pore pressure Dirichlet boundary condition as zero values? In order to validate the coupled THM code, I have to compare the numerical solution to analytical solution.…
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MAX.RES. is small but DELTEX keeps decreasing
Hi All, I am running TOUGH3 EOS7C. The simulation seems stuck at extremely small time step. Please see below for the failure message. You can see that the residual is already very small but the time…
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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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Is TOUGHREACT only suitable for NaCl salt?
Hello everyone, I am conducting an experiment using different salts and distilled water to prepare brine. I was wondering if I can simulate the experiment using TOUGHREACT as it appears Toughreact…
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How to realize an air-injection well with constant bottom-hole pressure?
Dear all, I am using the EOS3 module to simulate the injection of air into a confined aquifer via a fully penetrating well. In order to prevent potential damage to the rock formation,…
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The Example in TOUGH2's ECO2N:Radial Flow from a CO2 Injection Well
Dear all, I am using TOUGH2 ECO2N and I have confused about the example in Page 28 of the manual ECO2N: A TOUGH2 Fluid Property Module for Mixtures of Water,…
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Use input files for injection rates at many timesteps?
Hello, I am trying to include many CO2 and brine injection rates over a range of timesteps in TOUGHREACT. I was wondering if I would be able to call a file with all of the data I want in GENER,…
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Varying Flow and Enthalpy
Hi, The requirements for the injection are such that an enthalpy value is normally assigned. Given a process of surface system heat transfer, the enthalpy of injection must vary with the production…
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Inserting Permeability
Dear all, I am using Petrasim E0S5. I would like to know how to input different permeability and porosity for each grid block. My model is 3600 elements.…
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PHYSICAL MEANING OF INPUT RECORDS
Hello, I am using Toughreact version 4.13 to solve CO2 storage problems. However, I still don't understand the physical meaning of PRIMARY SPECIES and AQUEOUS COMPLEXES,…
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REMINDER: Symposium Abstracts DUE: WED, April 19
This is just a reminder that Symposium Abstracts are DUE: Wednesday, April 19 Visit the website for the abstract template, submission link, and other information:…
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Which package is suitable for geochemical and geo-mechanical study of CO2 sequestration?
Which software package will be most suitable for studying the geochemical and geo-mechanical aspects of CO2 sequestration in saline aquifers and depleted hydrocarbon reservoirs?
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How to confirm mole fractions of injected CO2 and SO2
Hello, I'm new to Toughreact codes. I'm simulating 1-D flow through a rock sample of dimension 50mmx100mm. CO2 is injected with SO2 impurity (10% of CO2 volume fraction) for 24 hours (1 day) and the…
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ELEME & CONNE blocks
Hello everyone, I am trying to understand how to calculate grid blocks volumes and interface areas of heat exchange in the ELEME block of Toughreact flow.inp file.…
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TOUGHREACT ECO2N
I want to use TOUGHREACT V3.0 ECO2N simulate the mineral changes caused by the co injection of different concentrations of SO2 and CO2, mainly observing gypsum precipitation.…
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How to visualize MESH file (output from TOUGH3) in paraview?
Hello TOUGH3 Forum I got MESH file as a output of TOUGH3 simulation (attached) and want to visualize it in paraview. I have also tryied to read this MESH file in Python(spyder) importing toughio but…
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EOS3-sink/source rates are piecewise constant, how to set up?
As mentioned in the title, I want to set the piecewise constant sink/source rate as shown in the attached figure, but I can't achieve the desired result after setting it many times in petrasim,…
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Error For missing parameters,
My grid block size is 1 x 1 cm. The error said that I have a problem with specific element eventhough it is defined. I am not sure what is the issue. Could you please help me.