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what if a primary species is not defined in the database?
The modeling I am working on involves some initial species that are not defined as primary species in the database. Although I have figured out how to define a new mineral in the database,…
- Qian Z.
- Qian_Z
- 8 yrs ago
- 8 replies
- 2,779
- Nic7 yrs ago
- TOUGHREACT
1
What does negative H+ concentration mean in TOUGHREACT?
I am running some simuations, the results seem to make sense (including pH). But why does the h+ concentrations are negative? Is there a special calculation to convert h+ to pH?
- Qian Z.
- Qian_Z
- 7 yrs ago
- 2 replies
- 2,133
- 1
- Qian Z.7 yrs ago
- TOUGHREACT
0
Pre- & Post- processors - What are their Pros and Cons?
Greetings I need to develop reactive-transport models with TOUGHREACT and run simulations as part of a project on "subsurface barrier formation as a CO2 leakage mitigation and remediation…
- Ella Maria Llanos
- Ella_Maria_Llanos
- 4 yrs ago
- 8 replies
- 1,544
- KHS2 yrs ago
- TOUGHREACT
0
Database TherAkin10.dat
I need some information about the thermodynamic data from TherAkin10. For example what means k-feldspar k-feldspar-kk or magnesite and magnesite-2 and why is the Log K much greater for magnesite-2
- Michael_H
- Michael_H
- 8 yrs ago
- 1 reply
- 1,287
- Tianfu Xu8 yrs ago
- TOUGHREACT
1
TOUGHREACT ECO2N
Hi, I'm quite new in using TOUGHREACT. Can anyone please clarify one question I've been having for quite a while now? The system I'm trying to model is just simple mixing between brine defined by…
- Alex Grey Saldaña
- Alex_Grey_Saldana
- 5 yrs ago
- 4 replies
- 1,261
- 1
- Alex Grey Saldaña5 yrs ago
- TOUGHREACT
0
Different output results for different max time step (DELTMX) values
~~I am running a Toughreact model. I run this model with the time step of 1200 seconds (DELTEN=1200 s) using different max time step values (DELTMX= Infinite, 15 years,…
- Yousef
- Yousef
- 7 yrs ago
- 2 replies
- 1,207
- Yousef7 yrs ago
- TOUGHREACT
0
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.…
- Lennard
- Lennard
- 6 yrs ago
- 4 replies
- 1,198
- Lennard6 yrs ago
- TOUGHREACT
0
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.…
- Dirk
- Dirk
- 6 yrs ago
- 3 replies
- 1,121
- Nic6 yrs ago
- TOUGHREACT
0
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.…
- Flybear
- Flybear
- 7 yrs ago
- 4 replies
- 1,062
- Flybear7 yrs ago
- TOUGHREACT
0
zero flux for ions at boundary condition
Hello, When simulating a drying process of a porous media it is possible in TOUGH2 to apply a capillary pressure at the boundary condition. However, when doing such a simulation with a porous media…
- Anthony
- Anthony.1
- 5 yrs ago
- 7 replies
- 1,050
- Anthony5 yrs ago
- TOUGHREACT
0
Please help with 2D version of 1D radial flow ECO2N example
Hello Everyone, I am very new to TOUGHREACT, and in all honesty, I know I am in over my head, but I refuse to give up. I apologize in advance, although I find my problem very difficult for me it…
- Gregori Clarke
- Gregori_Clarke
- 6 yrs ago
- 6 replies
- 1,007
- Gregori Clarke6 yrs ago
- TOUGHREACT
0
Failed mass balance for CO2 if "Two Fluid Phases conditions" employed
Hello everyone, I am trying to run the geochemical equilibration of brine with a sandstone rock composed of several minerals (mostly quartz 70%, around 4% carbonates and some feldspars and clay…
- Lennard
- Lennard
- 7 yrs ago
- 2 replies
- 966
- Lennard7 yrs ago
- TOUGHREACT
0
Cooling cell
Hello and thanks for maintaining this forum, very useful indeed. I am running a variation of the 5 spot problem in Toughreact. Essentially this is a polygonal mesh and there is a 10 meter high…
- Bergur Sigfusson
- Bergur_Sigfusson
- 5 yrs ago
- 4 replies
- 963
- Bergur Sigfusson5 yrs ago
- TOUGHREACT
0
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,…
- Yuko Kawata
- Yuko_Kawata
- 8 yrs ago
- 2 replies
- 946
- Yuko Kawata7 yrs ago
- TOUGHREACT
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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,…
- Tatyana
- Tatyana
- 6 yrs ago
- 1 reply
- 931
- Stefan Finsterle6 yrs ago
- TOUGHREACT
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STIMAX parameter: Which ionic strength is considered?
Dear all, I have a question concerning the STIMAX parameter in the solute.inp file in record 3. As described in the TOUGHREACT V3.0 manual, STIMAX acts as:…
- Lennard
- Lennard
- 5 yrs ago
- 1 reply
- 904
- Nic5 yrs ago
- TOUGHREACT
0
Restart problem
Hello, I am running a series of simulations which were running well until the last restart. With the most recent restart, when I wish to restart the program immediately stops and gives this error…
- Bergur Sigfusson
- Bergur_Sigfusson
- 5 yrs ago
- 2 replies
- 898
- Bergur Sigfusson5 yrs ago
- TOUGHREACT
0
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…
- Lennard
- Lennard
- 5 yrs ago
- 4 replies
- 892
- Lennard5 yrs ago
- TOUGHREACT
0
Research Collaboration: TOUGHREACT
Greetings to TOUGH Codes Users; I am a researcher from South Africa currently involved in carbon geological storage contamination risks modeling. More details of my research can be downloaded from:…
- Tshegofatso
- Research Graduate Student
- Tshegofatso
- 8 yrs ago
- 868
- TOUGHREACT
0
Initial Geochemical Equilibrium between Minerals and Brine
Hello there, I'm simulating CO2 injection into sandstone aquifer of synthetic brine, NaCl. I've read in several papers in which TOUGHREACT w/ ECO2N is used and something is mentioned like "batch…
- Luanjing Guo
- Luanjing_Guo
- 5 yrs ago
- 6 replies
- 853
- Luanjing Guo5 yrs ago
- TOUGHREACT
0
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.…
- Luanjing Guo
- Luanjing_Guo
- 6 yrs ago
- 4 replies
- 853
- Luanjing Guo6 yrs ago
- TOUGHREACT
0
Rapidly reducing temperature in cells and MINC problem
Hello, I'm trying to recreate the simulation of the Coso EGS as published by Kovac et al on the Stanford Geothermal workshop in 2006. I have two questions that I would be grateful to have some…
- Bergur Sigfusson
- Bergur_Sigfusson
- 7 yrs ago
- 1 reply
- 825
- Bergur Sigfusson7 yrs ago
- TOUGHREACT
0
Input conversion error, unit 33
Hi there, I've modified a sample input file flow.inp (in P5-ECO2N) to use our dimensions and parameter values. But after running the toughreact executable, this is the error message I've got.…
- Luanjing Guo
- Luanjing_Guo
- 6 yrs ago
- 2 replies
- 820
- Luanjing Guo6 yrs ago
- TOUGHREACT
0
Why it takes unbelievable long time to run kinetics?
It seems that TOUGHREACT starts to choke when I add kinetics to the chemistry of the my model. The model runs just fine for equilibrium. But once I add kinetics,…
- Qian Z.
- Qian_Z
- 8 yrs ago
- 807
- TOUGHREACT
0
Changing boundary condition for chemistry in EOS3, TOUGHREACT
Dear all, I would appreciate it very much any help with the following: In the problem I model I use constant concentration chemical boundary condition,…
- Mapek
- Mapek
- 5 yrs ago
- 2 replies
- 793
- Mapek5 yrs ago
- TOUGHREACT

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