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Stefan Finsterle
Stefan_Finsterle
Finsterle GeoConsulting
www.finsterle-geoconsulting.com
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Joined
Thu Feb 21 21:49:23 UTC 2013
491
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Latest Posts
Re: Non-convergence when considering permeability heterogeneity
Jim, Two things: (1) It seems you tried to run this file with ECO2M instead of ECO2N (but that's not the issue). (2) If you have a dummy domain SEED in your input file with DROK=POR=0.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
1
TOUGH2
Reported - view
Re: Non convergence when considering non-isothermal or molecular diffusion in TOUGH2 ECO2N
Hector, Upfront: I don't think I can help you, because: (1) I could not run the file as sent: I needed to (a) remove illegal tab stops in block DIFFU; (b) remove all values after porosity in the…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: System of equations for EOS4
Ali, Please read Karten's 1995 paper carefully and compare the conditions he is looking at (specifically regarding permeability and capillarity) with the ones you have (they are literally different…
Attachment
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
1
TOUGH2
Reported - view
Re: System of equations for EOS4
Hi Ali, Sorry, I don't have the time to respond to this post in full (hopefully somebody else will!). I am still unclear what it is you want to do (e.g.…
Attachment
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: System of equations for EOS4
Dear Ali, As you correctly state, a total pressure of 6 bar is below the saturated vapor pressure at 240 C. This means that your reservoir has to be initialized as single-phase gas.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
1
TOUGH2
Reported - view
Re: Convergence becomes difficult after CO2 breakthrough (ECO2N)
I don't think a general answer can be given without digging into the details. Can you check whether the simulation tries to cross the saturation line (which is not possible in ECO2N)?…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: Problem in Defining the Water Table
Honghong, For a sloped water table, attach Dirichlet boundary elements (i.e., elements with very large volumes) at the upstream and downstream boundaries of your model domain at the desired…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TMVOC
Reported - view
Re: MINC and MIM
Vf*phif+Vm*phim=0.5*0.2+0.5*0.1=15%
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: How can I add a free-flow Neumann boundary condition to a boundary?
@Lang Hi Lang, I had the second configuration in mind, as it is the one described in the previously cited link ( http://esd1.lbl.gov/files/research/projects/tough/support/atmo-boundary-condition.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
Questions & Answers
Reported - view
Re: How can I add a free-flow Neumann boundary condition to a boundary?
Hi, It would be best if you described the actual problem you want to solve. Robin boundary conditions are usually needed in the context of thermal convection-conduction problems,…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
Questions & Answers
Reported - view
Re: Setting permeability anisotropy with Voronoi elements
Mikey, I'm not sure I followed your post, but as you know, TOUGH2 does NOT use a permeability tensor (for an exception, see Arnaldsson, A., Berthet, J.-C., Kjaran, S., Sigurðsson, S. Þ.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: Thermal Expansion Coefficient Of Water
Richard, You are correct: TOUGH2 calculates water density as a function of temperature (and pressure) using accurate EOS equations, i.e., the thermal expansion coefficient is NOT a constant,…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: TOUGH2 EOS1 viscosity
Hi Bear, Not quite sure what you try to do, whether TOUGH2 is the best way to simulate the processes of fluidized sand/water mixtures, whether you just want to use an increased viscosity throughout…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: MINC and MIM
Amy, In any dual-continuum approach, there is no such thing as matrix being "surrounded" by fractures. The fracture and matrix are overlapping, interacting continua at the same point in space.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: Convergence on ITER=1
Ben, Sorry, I don't have time to look at your files right now, and I'm not suggesting that you employ the "brute force approach". But just for the record:…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: Running with MINC and non-MINC elements
Mikey, Yes. Here in more detail: In step (3) you want to used the MINCed mesh for a simulation. If so, provide that file with the ELEME and CONNE block (i.e.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
iTOUGH2
Reported - view
Re: "Inactive" MINC elements
Mikey, The concept of "inactive" elements during MINC mesh generation means that all elements following the first element with a zero or negative volume will not be "MINC-processed" ("MINCed"), i.e.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: MINC and MIM
Hi Amy, The exchange between mobile and immobile zones is handled using exactly the same equations as between any other elements, i.e., there is no need for a separate exchange function with new…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: MINC and MIM
Amy, I assume that you only want diffusive transport into the immobile phase, even though this is a simplification of the actual physics taking place, specifically if you include a compressible gas…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: MINC and MIM
Amy, MINC captures effects in multi-continua system purely by geometry. It thus operates on ALL processes implemented in TOUGH2; specifically, advective and diffusive transport is included (i.e.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: How to use TECPLOT for interpreting T2 OUTPUT
@Mohammadreza Keshavarz There is no "common" visualization software. People use Excel, PetraSim, Matlab, Tecplot, VisIt, GMS, ... in short: whatever your favorite visualization software is!…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: How to use TECPLOT for interpreting T2 OUTPUT
@Mohammadreza Keshavarz Mohammadreza, You cannot directly visualize 3D plots. If it is 2D, check the header, specifically I=... J=... K=... One way to plot 3D is to create a zone,…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: How to use TECPLOT for interpreting T2 OUTPUT
@Mohammadreza Keshavarz Mohammadreza, out.1 is a file in standard TECPLOT format. Read it in as a data file under "File", "Read Data File(s)...", "Tecplot Data Loader" and you should be good to use…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
1
TOUGH2
Reported - view
Re: Pore compressibility issue in EOS9
Hi Sungho, I'm confident that iTOUGH2 does include pore compressibility, also in eos9.f. If you have the source code of TOUGH2 and TOUGHREACT, it should be easy for you to include the few lines that…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
Re: Pore compressibility issue in EOS9
Sungho, Like in all EOS modules, pore compressibility is (or should be) accounted for in EOS9. I vaguely recall this having been an issue in the past, but has been resolved a while ago.…
Stefan Finsterle
Finsterle GeoConsulting
Stefan_Finsterle
6 yrs ago
TOUGH2
Reported - view
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