-
TMVOC-Temperature is out of range
Hello everyone. I'm currently learning to use TMVOC, but I've encountered some problems. I've successfully simulated flow under only rainfall conditions, constant head, and isothermal conditions.…
-
2 versus 3 phase relative permeability
Hi, I hope I can get some clarity on this issue. When you use 2 phase relative permeability to represent a 3-phase situation (for example water, CO2 gas and CO2 liquid in ECO2M),…
-
TOUGH3-EOS7C failed to converge after 10 years
Hello, I am simulating an injector and producer doublet in a gas reservoir with TOUGH3-EOS7C. It runs well for the first few years and then struggles to converge with very small time steps…
-
Compiling TOUGH3 source code using quadruple precision
My understanding is that when using double precision, it is generally best practice to avoid models where permeabilities vary by more than ~8 orders of magnitude (defualt `dfac`?).…
-
FOR parameter under PARAM.3
I recently changed the default value of the `FOR` parameter under PARAM.3 in TOUGH3 (EOS5) from 1.0 to 0.5. Upon reviewing the output, I noticed the time values in the time-series data seem to be…
-
warning: V2=0 in GasMixVisc
Hi All!, What does the following warning means? What may be the cause? FAILURE IN LINEAR EQUATION SOLVER warning: V2=0 in GasMixVisc I run TOUGH3 + ECO2N V2.…
-
Questions Regarding Local Refinement and Mesh Size Limitations (number of elements)
1. Local Mesh Refinement I am importing my mesh from ECLIPSE and not using the MeshMaker utility. I would like to apply local refinement, similar to the approach shown in the snippet below.…
-
How to implement anisotropic permeability tensors and unstructured mesh in TOUGH3?
Hi everyone, I'm working on a model involving complex geological structures with anisotropic flow behavior, and I'm planning to use TOUGH3 because of its support for full permeability tensors and…
-
Invitation for TOUGH4 testing
TOUGH4 is the next generation of TOUGH codes, featuring numerous advancements and enhanced modeling capabilities. More information can be obtained from the following webpage: https://lbl-2.gitbook.…
-
*** PETSC Solver failed to converge *** in parallel mode (TOUOGH3_v1.12- EOS1)
Hi, I have a problem with code parallelization. The code runs smoothly on my laptop, but as soon as I move to the HPC and use multiple processors, it says *** PETSC Solver failed to converge ***.…
-
Infinite Acting Aquifer
I have a TOUGH3 model (EOS7C) that is showing signs that the model extent is not wide enough in the East and South directions (pressures increasing over time).…
-
TOUGH3 Installation Fails Due to BLAS Package URL Change
I am writing to seek your assistance with an issue I encountered during the installation of TOUGH3. The installation process fails due to a recent change in the URL of the BLAS package,…
-
Mass balance assessment with TOUGH3
I am looking to validate the observed mass balance agains the theoretical (initial + source/sink - migration form domain into boundary cells) in a TOUGH3 with Neumann boundary conditions.…
-
TOUGH3 installation issue
I realized many people have difficulty in compilation of TOUGH3. After polishing the installation cmake scripts and reorganizing the installation package, compilation of TOUGH3 should be more easy,…
-
How to debug tough3 correctly
I want to debug this code. When configuring tough3-eco2n, the command used is"/configure.sh --build-type=DEBUG --eos=eco2n --no-x11 --petsc-dir=/home/zhigao/petsc-3.17.…
-
How should the enthalpy be correctly specified when simulating the process of air injection into an aquifer using TOUGH3/EOS3?
Hi I am currently attempting to conduct a simulation for CAESA, specifically modeling the process of air injection into an aquifer. Due to persistent convergence issues,…
-
possibly bug in viscosity calculation in TOUGH3_EWASG
Dear developers, First of all, I would like to say thank you for developing this excellent codes. Here I am reporting a tiny bug I found in viscosity calculation in TOUGH3 EWASG,…
-
TOUGH3 output and ext2
Hello all, I am using the famous ext2.exe file to extract data from TOUGH3-eos3 output file but it is not working (although it works perfectly fine with my TOUGH2 outputs).…
-
Use of AMRES in TOUGH3
It appears that the `AMRES` parameter is defunct in TOUGH3 (see Main_Comp.f90). However, I am having issues of exceesive residuals which break PETSc. Are there any plans to implement a fix for…
-
T2Well/ECO2N mesh software recommendation
Hi everyone! I'm new to using T2Well/ECO2N and was wondering which meshing software you recommend for creating an anticline structure with different layers? I've been exploring MeshMaker, PetraSim,…
-
Request for Location of newhyster.xls File for Hysteresis Graphs
Hello everyone, I am currently working with the hysteresis(IRP=12, 13) in the TOUGH3 simulator as described in the Hysteresis User's Guide (https://tough.lbl.gov/assets/docs/Hysteresis_Users_Guide.…
-
Need Help Generating VTK Files for Vector Visualization in ParaView
Hi everyone, I'm having trouble generating VTK files for my vectors to visualize them in ParaView with Tough3. I haven't been able to create a proper VTK file,…
-
Format of file where pressure changes over time
Hello Everyone, I am working on another model where pressures will change over time. I am looking through the manuals for the TOUGH code and am wondering if you could direct me to a specific location…
-
closed loop borehole + reservoir capability
Hello community, I am new to TOUGH family. I want to simulate a closed-loop geothermal heat exchanger (eg: similar to U-tube) coupled to reservoir modeling.…
-
TOUGH3 installation on PC updates: Install Ubuntu Terminal and then install TOUGH3
If the operating system is Windows 10, a better option than Cygwin is Ubuntu Terminal. Updated instruction for TOUGH3 installation on Ubuntu Terminal can be found here (Installation File,…

