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Instant release EOS7R
Hello everybody, To simulate an instant release of a radionuclide in eos7r, we have to insert a no-zero value of the component in the INCON block. This value should be the mass fraction of the…
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The CO2 plume migraion is very strange.
The CO2 plume migraion is very strange. Can anybody tell me why is this case? Thanks very much. Sawyer.
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water table
Hello everyone ! I have some brief questions which I need to find an answer too. I emailed the developers but didn't receive a response in the last week. My questions are as follows: Q1.…
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Pytough: Grid type TOUGH not supported.
Hi all, This is the first i am using pytough script. I am trying to see the summary of model geometry by using mulgrid in pytough. The Tough2 input file (as you can see in attachment) was generated…
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Flux question
I need to track the mass balance of water through a system and pull it out every step to transfer to a reaction modeling code. Can anyone tell me what array/indexing I can use to get the flux across…
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Enthalpy Discrepancy
Hello There, I was just wondering what the reference state for the enthalpy of water in TOUGH2 is? The reason is I would like to define water infiltration (precipitation) with a temperature of 20˚C.…
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Restart option with PetraSim
Hello everybody, There is a procedure for the restart of a though2 run. I interrupted a run of Tough2, I can restart it where it left off? Thanks
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Boundary conditions
Hi, I am modeling the injection of fluid into a porous domain through a fault. I have a created multiple zones for the domain(sand, shale and fault) and put an injection well at bottom end of the…
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CO2 injection into a CO2 saturated reservoir
Hi everyone, I'm running a test to check the results regarding to inject CO2 into a reservoir with a CO2 mass fraction=1. SG attached starts at 0 and the value raises with time.…
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TOUGH-FLAC coupling
Hi, I am trying to use a coupled TOUGH-FLAC simulation on a reservoir model. I am just starting with a simple 'cube' model with uniform properties. I went through some of the works done by Jonny…
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water, vapor and heat coupled modeling in 2D/3D
Hello all, Is TOUGH3 able to couple water, vapor and heat transfer in a 2 or 3 dimensional unsaturated zone model? I mean to do 2D/3D vapor transport modeling in semi-arid region with a atmosphere…
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MINC processing for fractured media
Dear all Members, Hi, I am working on fluid flow modeling in fractured media and I am using MeshMaker 1.5 to for MINC processing and mesh making. After entering the command codes,…
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ECO2N, Model initial temperature distribution
Dear all members, Hi, I'm working on thermal injection simulation in TOUGH2 and I want to define an initial temperature distribution for my model. After program execution (ECO2N),…
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How to determine the influence of boundary size?
Hi all, when i use tough2(ECO2N), i'm not sure whether the boundary size i chosen is appropriate, can anybody tell me how to determine the boundary size? thans very much! sawyer
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To have "Component mass in place" in a single cell
Hello everyone , In the output file of TOUGH2, for each plot time value, there is the -component mass in place- table, in which I think, are reported the mass of each component referred to the total…
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Is there a limit of injection rate that an element can accept?
Hi, I am running a 2-D planar, unidirectional flow with injection and production at both ends (actually, simulating an aquifer). But I found if I increase the injection rate more than a certain…
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Coupling between flow and processes
Hi there, I am wondering how the fluid flow and heat transport are coupled in Tough2. Are fluid and heat flow equations solved iteratively ? I would be thankful if could help me in this regard.…
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slightly increased liquid viscosity
Hi, dear all I have one question about eos1. To construct a sensitivity matrix 'co' in subroutine 'multi' , we obtain secondary parameters using slightly increased primary variables,…
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CO2 storage simulation with heterogeneous perm field fails to converge
Hi all, I have a problem with building a geological CO2 storage model using the TOUGH2/ECO2N module. In this model, I considered a heterogeneous permeability field by using the PM-coefficients…
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CONNECTION in Mesh file
Hi, dear all, I am recently having problems in defining the connected elements in the MESH file. I opened the MESH file, and I found there is error in "CONNE" part (own code in writing the MESH…
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Theis solution
Dear All, Does anyone have a test file of the Theis problem (such as the one presented in Moridis and Pruess 1995)? Thank you in advance! Virginie
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Mass input in .out file
Hi everybody! Could anyone tell me if is it possible to see the CO2 mass input in petrasim output file? I've tried to check it on Volume and Mass-Balances, but it isn't there.…
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The relationship between S_l and P_cap is not consistent with the van Genuchten function
Hi, I am using ECO2N for simulating CO2 storage. I wanted to verify that the relationship between the liquid saturation, S_l, and the capillary pressure, P_cap,…
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Maximum MCYC
Hi. Although I set MCYC (maximum number of time steps) to more than 1000, TOUGH2 calculation stops at KCYC=1000. Is maximum value of MCYC 1000 ? (This is not described in TOUGH2 manual...…
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Big alternating in/out fluxes along sloped water table boundary
Hello, I am using iTOUGH2-ECO2N to investigate upwelling of CO2-laden brine into a shallow aquifer system, but I am having a problem with the initialization of the flow model and would appreciate…