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Initialization (T2Well)
Hello everyone, I have the following question regarding initialization procedure for simulation using T2Well. I want to simulate the changes at wellhead of a monitoring well that extends to the…
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Question on modeling water isotopes – after Singleton et al. (2004)
Hi Eric, I have been playing around with your water isotopes model of Singleton et al. (2004) and have a question about how fractionation factors are implemented in TOUGHREACT.…
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How to consider the evaporation effect of water affected by temperature in tough2
How to consider the evaporation effect of water affected by temperature in tough2 (or what is the governing equation of water conversion in liquid and vapor)?…
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PetraSim showing error for Toughreact simulation
Hello everyone, My name is Nurlan, I am a Masters Degree student at Nazarbayev University. I am a new user of Toughreact. Currently working on CCS project application in Kazakhstan.…
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Maximum point for time-dependent injection
Dear all, I am trying to prescribe more points for cyclic injection scenario. I checked the TOUGH2 manual, which indicated to use LTAB for the number of points in the table of rate vs time.…
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Material balance in TOUGH-FLAC
Hello, I have a question regarding the material balance in TOUGH-FLAC coupling. Let's say that I originally had a porosity obtained from TOUGH as 0.3, and then after the FLAC calculation,…
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Calculating flow rate in a well on deliverability model
Hello everyone, I am trying to figure out the best way to calculate gas flow rate in a well. my approach is to first print out a COFT file and then sum up the values of flow rate between cells.…
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Warning about Convergece
Hello, I'm new in iTough2. It's been a while since the lecture given by Stefan back in New Zealand 2014, at UoA. I'm having a converge issue while triying to run a steady state and then a transient…
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AMD + AOCC/Flang
Hello all Does anyone have experience, and is willing to share, compiling any of the TOUGH codes on the latest AMD processors using the native compiler suite?
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T2Well Output
Dears, Can the results obtained from T2Well be output in Excel file format (like TOUGH3)? Thanks in advance
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TOUGH3; long running time (3D model)
Hi everyone, I am trying to build 3D model for CO2 injection in underground saline aquifer that is upper bounded by impermeable strata which extends to the surface.…
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About auxiliary equations.
In tough+hydrate equilibrium model without inhibitor, what auxiliary equations (besides three governing equations) are used to construct a solvable set of equations?…
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Mobility concept in TOUGH (Parameter MOP(11) )
Hi dear group, I hope this wouldn’t be a silly question I am working with an unsaturated column composed of sandstone and mudstone layers. As first step (and using EOS9),…
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Error running PEST protocol with model generated by Fortran executable
Hey everyone, I'm trying to use the iTOUGH2 PEST protocol to calculate coefficients of a constitutive model relating the viscosity of a sodium nitrate brine with mass fraction and temperature.…
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gravity-capillary equilibrium in EOS3
hello, I am using EOS3 (TOUGH3-eos3 windows executable) to simulate a gravity capillary equilibrium along a 1-D column but I keep running to convergence failure issue.…
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How to build windows executable file(.exe) through TOUGH3 code?
I tried to build an executable file by mingw32 on the UBUNTU platform, but I failed.
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Problem with visualizing material type in ParaView
Hi every one, I have run initialization simulation to obtain initial pressure and temperature conditions that follow hydrostatic pressure gradient and geothermal temperature gradient, respectively.…
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set different diffusion coefficient for different layer
As far as I know, only one solute diffusion coefficient can be set for all aqueous species，which is not practical. Is it possible to set different diffusion coefficient of one solute for different…
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Visualizing grid blocks
Dears, I have the attached MESH file generated using MESHMAKER. I would like to know if there is a simple Python code that enables me to read and visualize the grid blocks in Pyvista.…
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how to get the variations of mineral volume fraction from the PetraSim？
Hi,everybody I am trying to finish one the examples of the petrasim manual about TOUGHREACT. I have successfully executed the program, but couldn't find any variations of mineral volume…
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Specifying initial conditions for layered reservoir
Dears, I am trying to model CO2 injection in stratified saline aquifer reservoir. I have to provide initial conditions for my model considering hydrostatic pressure gradient and geothermal…
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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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TOUGH Tips & Tricks
A Faster Way to Make You a TOUGH Expert The following is a collection of TOUGH Tips and Tricks that may help you solve TOUGH problems. To post your own TTT,…
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where to specify the tolerance of gas transport in tr2.0
Hi: from a recent simulation, 'runlog.dat' shows the bellow error message: Warning: chemistry did not converge at node a 8 (routine NEWTONEQ), Non-convergence type: absolute Node temperature (C): 10.…
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Large runlog.out file
Hi I am having problems with large runlog.out files causing my disk size to get full quickly. I have made sure that the parameters responsible for this in REACT block are not made greater than zero…