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Convergence becomes difficult after CO2 breakthrough (ECO2N)
Hi, I want to know why the convergence becomes difficult (so the time step becomes very small, or simulation terminates) near or after phase breakthrough.…
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"ERRONEOUS DATA INITIALIZATION" on IBM-AIX cluster
I encountered a problem with "ERRONEOUS DATA INITIALIZATION" , when I tried to run serval tests using TOUGH2-MP on IBM-AIX cluster. These tests had been successfully tested using the usual Tough2.…
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An encoding issue when TOUGH2-MP reads INFILE?
Hi, When I tried to run an example problem using TOUGH2-MP on an IBM-AIX supercomputer, I encountered an initialization problem that the executor terminated perhaps due to errors of reading the…
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Problem in Defining the Water Table
Hi everyone, I would like to know how to define the water table if I want it to be sloped or fluctuating? I really dont have any idea where this problem is coming from. Any help is appreciated.…
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The reactive portion of the model seems not to run
Hi! I'm a new user of this interesting forum. I'm trying to simulate a diagenetic process by using PetraSim 5.4 (TOUGHREACT and EOS3). Therefore, for each new simulation,…
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MINC and MIM
Hi All, I'm comparing MINC to mobile-immobile (MIM) models, most of which focus on transport (i.e., with the diffusion as the process connecting the two domains).…
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How can I add a free-flow Neumann boundary condition to a boundary?
I understand that IFD framework has no-flow BC by default. I am trying to set up a 3D problem where all the boundaries except the top have no-flow BCs.…
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The simulation of the general three types of boundaries
Dear Sir or Madam, I just want to simulate the general three types of boundaries (without any specific cases) in the inlet end: Dirichlet, Neumann, and Robin.…
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Data file Problem No.6 (*Case6_50kg_DP*) needed
Hello all. I am trying to run an EGS-CO2 model with TOUGH2 ECO2N. Is the example file Problem No.6 (*Case6_50kg_DP*) – GCS/GHE with a double-porosity reservoir in the manual available?…
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Thermal Expansion Coefficient Of Water
Hello Forum, New poster here so please let me know if I should be looking elsewhere. I'm attempting to verify TOUGH2 against an analytical solution for 2D convective flow and one of the terms is a…
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Tough2 EOS7C Gas Production Simulation Questions
I use EOS7C to simulate gas production for 2 years. The model includes 1 overburden layer, 1 underburden layer and 1 reservoir layer. After 2 years of gas production,…
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no runlog.out file for error
Hi everyone, I am a beginner using toughreact. Currently, I am building up a 3 layered single phase model. After I built up everything, the model stop running after 1.8 seconds and shows me error.…
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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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TOUGH2 EOS1 viscosity
Hi, All I am using the EOS1 module to simulate fluidized sand mixing with water. I have read the tough2 manual. It seems like it is not available to modify viscosity,…
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CEC: cation exchange capacity (meq/100 g of solid).
In ToughReact, does the cation exchange capacity have the time vector？Does it represents meq/100 g of solid/s？
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Does the ExtraCell function run well
I want to simulate a small flooding, the core is tiny and I want to add an ExtraCell, where can I find the manual about the meanin of the parameters?
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Convergence on ITER=1
I'm running TOUGH EOS1 SC, attempting to modeling deep (7km), low permeable basement rock with an intrusion. The combination of heat and low permeability makes it quite a mission to get this baby…
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Nonconvergence of TOUGREACT v332 (ECO2N)
I am performing 2-D radial simulation using TOUGHREACT (ECO2N). When I carried out the simulation using v332, the message "Stopping in main due to flow nonconvergence" appeared after several time…
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Running with MINC and non-MINC elements
In a post I submitted to the TOUGH2 forum ( https://tough.forumbee.com/r/m2fgt1 ), Stefan Finsterle provided me the following steps for running a simulation with both MINC and non-MINC elements in…
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"Inactive" MINC elements
I want to make sure I'm interpreting the manual correctly as it pertains to "inactive" elements in a mesh involving MINC processing. If I place a dummy element in front of all elements that I want…
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Polygonal mesh model runs much slower than regular mesh
I'm running CO2 injection with regular and polygonal mesh model, polygonal mesh even has less elements than regular mesh cause of number of connections limitation,…
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How to use TECPLOT for interpreting T2 OUTPUT
Dear team, I have a difficulties to interpret T2 output (P-T distribution) by using TECPLOT. I created 3-D model of geothermal reservoir with 968 elements. I got error after run the ext.…
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Lithofacies random fields in TOUGHREACT?
Hi, I am trying to apply random fields both in flow and rock chemistry. I know I can do one for the flow field using permeability modifier (PMX) option equipped in TOUGH2 (flow.…
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TOUGH+Hydrate to Tecplot
Since, there is an option to generate tecplot ready file by changing the value of MOP(19), I tried using that to generate the Plot_Data_Elem file, but Tecplot RS doesn't recognize the file.…
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TECPLOT output from TOUGH+
@Stefan Finsterle Hi, Stefan I know it is not right to talk about some questions relevant to TOUGH+ in this TOUGH2 section, but there seems like no active people in TOUGH+ section.…