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what is the suitable EOS ?
Hello, I am a very beginner using TOUGH2 i will use it to simulate the water flow the vapour transport and the heat transpot in a vadose zone in semi arid region what is the suiltable EOS nimber is…
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Well Connection
Hello. I am a student and relatively new to TOUGH2. I am trying to create a model with a series of six boreholes, each containing a u-tube shaped pipe and all the pipes are connected along the…
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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…
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Why a simulation with "same" input file once runs and once crashes?
I made an input file which worked properly. I just added data block FOFT, and I recieved error by running that. I deleted data block FOFT but with the same input file which previously had worked…
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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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Who use MOP(14) is one?
When I prepare INFILE, I can choose mop(x). For MOP(14), If I choose mop(14) is one, the length of element, connection incon, gener are 8 characters. If i choose mop(14) is zero,…
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hi, I got interesting reseult seneario forecasting with fracture spacing(MINC) using Monte Carlo simulation.
I also want to estimate fracture volume, but it seems iTOUGH2 can estimate only fracture spacing. if it is possible to estimate fracture volume with iTOUGH2, please advice me. Thank you.
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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,…
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One question on outputting flow rate of aqueous VOC through COFT
Hello everyone, I have a question on outputting flow rate of aqueous VOC through COFT. I established a control plane in my model and want to simulate mass discharge through the control plane.…
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Solubility units - SOLA
hi, can you help me to figure out the solubility units of parameter SOLA - SOLB - SOLC - SOLD which are included in chemp8. for example, TCE solubility is 1.1 g/l. Molar weight 131.84 g/mol.…
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About TOUGH+HYDRATE
I have a question about TOUGH+HYDRATE. I want to do grid about cartesian model, 100x100x100. But TOUGH+HYDRATE doesn't operate. I think that range of Max_NumElem of' Data block MEMORY' is problem.…
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Need help on using Ext.exe to generate Tecplot input file
Hello everyone and Stefan, I tried to use Ext.exe to generate Tecplot input files, but it can not work by following the steps in the manual. Attached is my model output and mesh files.…
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Question on the block of CONNE
Hello everyone, I have a question on the block of CONNE. Whether can I only input part of the connections between two cells instead of all the connections?…
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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?
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Whether can TOUGH2 be used to simulate DNAPL spill (non volatile) in the vadose zone (non volatile oil, water and air phases)?
Hello everyone, I am trying to find a simulator that can simulate DNAPL spill in the vadose zone. The DNAPL is not volatile, but it can be dissolve into water.…
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Monte Carlo simulation crash using iTOUG2.
Hi, I have a problem using iTOUGH2. when I try Monte Carlo simulation with a model containing MINC. The Tough2 input file contains the 'MINC' keyword, and I have a file called 'MINC' generated by…
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Permability factor
hello, Is it possible to upload to PetraSim "cell data" from external file? specificaly, i'm interesting in distributed "Perm. factor". i want to refrain from changing it manually to each cell. ideas?
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Jacobian in TOUGH2-MP
Hi, Is it possible to extract Jacobian matrix from TOUGH2-MP at each iteration step? Is it stored as sparse form? It wound be great if there is a way I can call the Jacobian subroutine to compute the…
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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 to increase maximum number of elements in TOUGH2?
Is there anyone who know how to increase the maximum number of element more than 12,000 in TOUGH2?
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No dispersivity?
Hello, Does anybody knows how can i justify the use of T2VOC for TCE tranpport without the inclusion of hydrodynamic dispersivity?
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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,…
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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
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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:…