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Dual porosity flow crash
Hello, I'm trying to set up a EGS simulation where 120 °C water is injected into a 270 °C reservoir. The aim is to get the system up and running with TOUGHREACT but since those simulations keep on…
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perm. factor
dear all, I want to ask the "perm. factor" in "set cell data", (ex: I want the domain area's K field mean=1E-13 and standard deviation=1E-14) Does it means that I can use Excel to generate a random…
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Water column above soil for infiltration processes
Dear Stefan, I investigate infiltration processes to look after the most effective one for a specific area. For that reason I would like not only to change the infiltration beginning and ending but…
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Disappearing gas phase during simulation of CO2 injection
Dear all, I am trying to simulate an injection of CO2 into a brine saturated aquifer with Toughreact 1.2 and ECO2N EOS module (1D, radial). Everything works fine until the gas saturation Sg in the…
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Modified van Genuchten model
Dear Stefan, Regarding the paper by Luckner et al. 1989 there is a relationship between pressure head h and water content θ. In the modified van Genuchten model there is more or less the same…
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Circulating same produced fluid
Hi I am using TOUGH2-ECO2N module for CO2 injected into brine filled reservoir. I am trying to simulate where the produced fluid has to be circulated back into the system.…
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Lower limit of mesh grid?
Hello, I have the following problem by creating a mesh grid with Meshmaker: XYZ NX 20 0.0004 NY 2 1.0 NZ 20 0.0004 or XYZ NX 20 0.125 NY 2 1.0 NZ 20 0.…
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Scientific format of numbers in TOUGH2 input file
Hi. I just experienced some strange behavior when trying to run 1D gravity equilibrium for ECO2N module with TOUGH2-MP for test case 4 (rtp7). I used the following ROCKS block in the input file…
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simulating diffusion process in long time (near equilibrium) with TOUGH2
Hi! I am trying to simulate a simple diffusion poblem with TOUGH2. I am using EOS3, I can't get any results for long term (near equilibrium time which is in my problem around 80 days).…
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Defining ِDirichlet / Neumann boundary conditions in ECO2N
Hello I am trying to define different types of boundary conditions in TOUGH2 with ECO2N module to see the effect of B.C on the simulation. I think the TOUGH2 code simulates Neumann conditions by…
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Signal SIGSEGV: Segmentation fault
Dear all, I just encountered following error while executing a TOUGH-ECO2M sample problem: Program received signal SIGSEGV: Segmentation fault - invalid memory reference.…
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Error Message - out of range in SATB
My simulation of injecting co2 into a homogeneous reservoir using eco2n stops with the error message: +++++++++ REDUCE TIME STEP AT ( 50, 1) ++++++++++++++++ NEW DELT = 0.…
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problems running an old TOUGH2 model
Hi. I am trying to run an old model that made by another student last year, and receive the following error message in the command prompt: forrt1: severe <64>: input conversion error, unit 5,…
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How to define heterogeneity in TOUGH2-ECO2N
Hi I am a new TOUGH user. I am interested in learning about defining fluid injection models with TOUGH2. I would like to learn about building heterogeneous models - which Kx and Ky differ from one…
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XAIRL in volume element with no liquid phase
Hello TOUGH users! I am simulating a simple diffusion problem with EOS3. In my model, I have a volume element which is fully saturated with air and the rest of volume elements are fully saturated…
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How to copy paste text data into T2VOC fortran77?
Hi my name is Asni from Malaysia. Recently, I have buy the T2VOC for my master study under Universiti Teknologi Malaysia grant. Im new to the T2VOC and fortran77.…
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error message during compiling eos4
Dear Stefan iam trying to compile eos4 following the same steps mentioned in the manual and read me file using comaq compiler fortran 6.5 the file are ma28.f t2cg2.f meshm.f t2f.f eos4.f t2solv.…
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error message when using EXT.exe
Hello TOUGH users and specially Stefan, I need to export TOUGH2 results to Tecplot. I used EXT.exe but afte 6 timesteps this error message appears: forrt 1: severe <64> input conversion error,…
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EOS4???????? linking between soil water contents and water vapor pressure in a thick unsaturated zone
Dear Stefan and other moderators please i really need your help to figure out what is the best EOS i have to consider the water vapor diffusion and its effects on the water contents with the time in…
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Incompressible flow
Dear all, I would like to consider the incompressible flow of the mixture CO2-brine in a heterogeneous reservoir. Are there any ways to fixe the density of brine and CO2 in TOUGH2?…
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Defining a set of grid block boundaries in radial direction in TOUGH2-ECO2M
Dear all, I am trying to define several radial distances in my model domain to see the brine influx and gas saturation at several radial boundaries around the injection well.…
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time step control
Hi! Is there any way to make a simulation going on even if convergance occured on the first itteration for 10 time steps in a row ?
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problem with initiatal conditions eos3 diffusion of water vapor in water in unsaturated soil layer
Dear moderators in my problem i have to solve the diffusion of water vapor in water in unsaturated zone attached are the input file and mesh file i could not find the problem even i tried for long…
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1d tough2 problem
hi my task is to use tough2 to do 1D simulation in a 10 m thick of unsaturated zone from above the model is objected to precipitation and evapotranspiration so i have a long time serie of weather…
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initial condition in EOS3 for volume elements with zero gas saturation
in a model I am working with, at initial condition all volume elements are fully saturated with water, and there is only one element which is fully saturated with air.…