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about the output files of TOUGH-2: EOS9nT
For our research project I need to simulate the radioactive waste transport problems with EOS9nT. I am just at the beginning with learning EOS9nT, however, I have the problem about its output format.…
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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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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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Is there a possibility to extent the TOUGH2 pressure range?
Hello everyone, I am using TOUGH2 to simulate two phase flow in deep subsurface waste repositories. The pressures in the systems can reach quite high values due to gas production and high…
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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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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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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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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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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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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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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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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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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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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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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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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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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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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.…
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why the SAVE disk file is empty even i have no error message when i run the input file
hi all, i am learning tough 2 i found some training courses and tried to exercise i am interested in a Sample Problem 2DVZ: Infiltration Test in the Vadose Zone i tried to write the input file when…
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run time error M6201:math
Hi! Can anybody help we with this error. (error message is in the attached picture) I changed my 1D model from horizontal to vertical and this error comes out during running the new input file.
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Diffusion coeficient
hallo could any one tell me frome where can i get the diffusion coefficients for gas and water phases to be used inside the tough2 input file thanks in advance rima