# \#ogs5

**URL:** https://discourse.opengeosys.org/tag/ogs5/1.md

[Latest](https://discourse.opengeosys.org/latest.md) · [Categories](https://discourse.opengeosys.org/categories.md) · [Tags](https://discourse.opengeosys.org/tags.md)

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## [Times series precipitation for input](https://discourse.opengeosys.org/t/times-series-precipitation-for-input/1539)

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**Author:** [@peter](https://discourse.opengeosys.org/u/peter)\
**Replies:** 1\
**Last updated:** [November 26, 2024, 2:09pm UTC](https://discourse.opengeosys.org/t/times-series-precipitation-for-input/1539 "2024-11-26T14:09:19Z")

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Good morning. I’m trying to simulate GROUNDWATER\_FLOW on 3D domain which is similar to Ammer catchment in “Computational Hydrology 1”. On page 70, groundwater recharge rate is implemented as source term for each node i…

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## [GINA Run-time error ‘91’](https://discourse.opengeosys.org/t/gina-run-time-error-91/1504)

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**Author:** [@Sherlock](https://discourse.opengeosys.org/u/Sherlock)\
**Replies:** 0\
**Last updated:** [August 21, 2024, 1:47pm UTC](https://discourse.opengeosys.org/t/gina-run-time-error-91/1504 "2024-08-21T13:47:31Z")

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Run-time error ‘91’： Object variable or With block variable not set

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## [Some keywords in the numerics file](https://discourse.opengeosys.org/t/some-keywords-in-the-numerics-file/1489)

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**Author:** [@peter](https://discourse.opengeosys.org/u/peter)\
**Replies:** 0\
**Last updated:** [August 3, 2024, 8:23am UTC](https://discourse.opengeosys.org/t/some-keywords-in-the-numerics-file/1489 "2024-08-03T08:23:30Z")

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Hi, I have some questions about keywords in the numerics file. Could you explain ELE\_MASS\_LUMPING, FEM\_FCT and ELE\_GAUSS\_POINTS? In the textbook, there’s only description like “help to increase numerical stability of t…

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## ["abdul\_lab" in the "COUPLED\_FLOW" directory of OGS5 benchmark](https://discourse.opengeosys.org/t/abdul-lab-in-the-coupled-flow-directory-of-ogs5-benchmark/1437)

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**Author:** [@Miao](https://discourse.opengeosys.org/u/Miao)\
**Replies:** 0\
**Last updated:** [July 1, 2024, 11:54am UTC](https://discourse.opengeosys.org/t/abdul-lab-in-the-coupled-flow-directory-of-ogs5-benchmark/1437 "2024-07-01T11:54:09Z")

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Dear all, I am trying to replicate the simulation results of “abdulLab” in the benchmark directory “COUPLED\_FLOW”. Actually, I have successfully replicated the simulation results several years ago when I was as UFZ. How…

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## [OGS5 -Modelling BHE-System](https://discourse.opengeosys.org/t/ogs5-modelling-bhe-system/1238)

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**Author:** [@Achi](https://discourse.opengeosys.org/u/Achi)\
**Replies:** 5\
**Last updated:** [March 5, 2024, 7:09am UTC](https://discourse.opengeosys.org/t/ogs5-modelling-bhe-system/1238 "2024-03-05T07:09:47Z")

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Dear Ladies and Gentlemen, In the last few days I had been dealing with BHE systems. I wanted to construct and simulate a model using OGS5. I used the book GeoenergyModelling2\_ShallowGeothermalSystems to help me. I used…

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## [Capillary pressure](https://discourse.opengeosys.org/t/capillary-pressure/1370)

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**Author:** [@peter](https://discourse.opengeosys.org/u/peter)\
**Replies:** 0\
**Last updated:** [February 16, 2024, 6:11am UTC](https://discourse.opengeosys.org/t/capillary-pressure/1370 "2024-02-16T06:11:08Z")

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HI, I’m using ogs5 to simulate Saltwater intrusion with RICHARDS\_FLOW and MASS\_TRANSPORT pcs. I want to handle values about “CAPILLARY\_PRESSURE”, but I couldn’t find the explanation about the values(attached image below…

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## [Saltwater Intrusion and overpumping](https://discourse.opengeosys.org/t/saltwater-intrusion-and-overpumping/1344)

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**Author:** [@peter](https://discourse.opengeosys.org/u/peter)\
**Replies:** 0\
**Last updated:** [December 21, 2023, 12:46pm UTC](https://discourse.opengeosys.org/t/saltwater-intrusion-and-overpumping/1344 "2023-12-21T12:46:29Z")

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Hi, I’m using OGS 5.8 version to simulate seawater intrusion(SWI) near the coastal area. Now I made some result about SWI in 3D, but I just wondering OGS is possible to simulate the saltwater abstraction induced from ov…

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## [I do seawater intrusion simulations, and I'd like to ask how OGS5 parallelizes the simulations](https://discourse.opengeosys.org/t/i-do-seawater-intrusion-simulations-and-id-like-to-ask-how-ogs5-parallelizes-the-simulations/1291)

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**Author:** [@Lanxuanhe](https://discourse.opengeosys.org/u/Lanxuanhe)\
**Replies:** 0\
**Last updated:** [September 1, 2023, 9:44am UTC](https://discourse.opengeosys.org/t/i-do-seawater-intrusion-simulations-and-id-like-to-ask-how-ogs5-parallelizes-the-simulations/1291 "2023-09-01T09:44:57Z")

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Hi, dears. I am using OGS5 for seawater intrusion simulation, but the simulation is very long, I would like to ask if OGS5 can simulate in parallel? How does it work? Regards

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## [I'm a beginner and I have problem with runing of OGS, I need help please](https://discourse.opengeosys.org/t/im-a-beginner-and-i-have-problem-with-runing-of-ogs-i-need-help-please/493)

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**Author:** [@mohamad\_javadi](https://discourse.opengeosys.org/u/mohamad_javadi)\
**Replies:** 14\
**Last updated:** [July 26, 2023, 7:20am UTC](https://discourse.opengeosys.org/t/im-a-beginner-and-i-have-problem-with-runing-of-ogs-i-need-help-please/493 "2023-07-26T07:20:18Z")

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Hi dears. I need help to run ogs, I cant do anything. please help me how I can start? Regards

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## [Saltwater intrusion](https://discourse.opengeosys.org/t/saltwater-intrusion/1240)

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**Author:** [@mike](https://discourse.opengeosys.org/u/mike)\
**Replies:** 0\
**Last updated:** [June 28, 2023, 6:26am UTC](https://discourse.opengeosys.org/t/saltwater-intrusion/1240 "2023-06-28T06:26:57Z")

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Hi, I’m a new user of OpenGeoSys and I think this project is pretty interseting. Actually, I want to simulate about saltwater intrusion(SWI) like Haline Setups or Goswami case but in 3D. Is it possible to simulate in 3…

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## [Question: The unusually large font size in Gina](https://discourse.opengeosys.org/t/question-the-unusually-large-font-size-in-gina/1228)

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**Author:** [@Elsa\_Li](https://discourse.opengeosys.org/u/Elsa_Li)\
**Replies:** 1\
**Last updated:** [June 23, 2023, 1:41pm UTC](https://discourse.opengeosys.org/t/question-the-unusually-large-font-size-in-gina/1228 "2023-06-23T13:41:37Z")

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Hello everyone, I have been using the OGS5 for several years, but these days a funny problem occured. That is, after I bulk stored font packages for graphic design on another computer into the font library, some of the f…

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## [Saltwater intrusion in 3D application](https://discourse.opengeosys.org/t/saltwater-intrusion-in-3d-application/1224)

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**Author:** [@peter](https://discourse.opengeosys.org/u/peter)\
**Replies:** 0\
**Last updated:** [June 14, 2023, 1:15am UTC](https://discourse.opengeosys.org/t/saltwater-intrusion-in-3d-application/1224 "2023-06-14T01:15:13Z")

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Hello, I am looking to apply the goswami-clement benchmark in a 3D format for a simulation of saltwater intrusion specific to my case. However, I am experiencing a recurring issue where the simulation crashes immediately…

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## [HEAT\_FLOW 2D: How to generate output via OGS or ParaView](https://discourse.opengeosys.org/t/heat-flow-2d-how-to-generate-output-via-ogs-or-paraview/1171)

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**Author:** [@arina](https://discourse.opengeosys.org/u/arina)\
**Replies:** 0\
**Last updated:** [April 12, 2023, 1:02pm UTC](https://discourse.opengeosys.org/t/heat-flow-2d-how-to-generate-output-via-ogs-or-paraview/1171 "2023-04-12T13:02:35Z")

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Hello everyone, I’m trying to calculate the heat flow. My model is only 2D. I tried this in my output file: #OUTPUT $PCS\_TYPE HEAT\_TRANSPORT $GEO\_TYPE SURFACE SURF\_1 $DAT\_TYPE TOTAL\_FLUX $TIM\_TYPE STEPS 1 The…

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## [Robin Boundary condition OGS5](https://discourse.opengeosys.org/t/robin-boundary-condition-ogs5/1068)

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**Author:** [@andreamanzoni](https://discourse.opengeosys.org/u/andreamanzoni)\
**Replies:** 0\
**Last updated:** [October 21, 2022, 3:18pm UTC](https://discourse.opengeosys.org/t/robin-boundary-condition-ogs5/1068 "2022-10-21T15:18:07Z")

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Hi there, what is the easiest way to define a Robin (mixed) boundary condition in OGS5? I would like to implement a boundary condition similar to the one implemented here Robin boundary condition for OGS6 . Thanks for…

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## [Beachmark for co2 sequestration in deep saltwater](https://discourse.opengeosys.org/t/beachmark-for-co2-sequestration-in-deep-saltwater/1036)

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**Author:** [@cui-yong](https://discourse.opengeosys.org/u/cui-yong)\
**Replies:** 0\
**Last updated:** [June 19, 2022, 11:51am UTC](https://discourse.opengeosys.org/t/beachmark-for-co2-sequestration-in-deep-saltwater/1036 "2022-06-19T11:51:17Z")

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Hi all, I want to know the detailed process of co2 sequestration. Does anyone have an OGS5 benchmark for fluid-structure interaction in a two-phase flow for co2 sequestration in deep saltwater? Thanks for your all atten…

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## [OGS5 configuration](https://discourse.opengeosys.org/t/ogs5-configuration/1028)

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**Author:** [@cui-yong](https://discourse.opengeosys.org/u/cui-yong)\
**Replies:** 1\
**Last updated:** [June 6, 2022, 1:40pm UTC](https://discourse.opengeosys.org/t/ogs5-configuration/1028 "2022-06-06T13:40:36Z")

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Hi dears, I am a beginner and i need some help to configure ogs5. I configured according to the method on the official website, but it has been a week, and I still don’t know how to configure. Can someone give me some…

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## [Web site about OGS5 environment configuration](https://discourse.opengeosys.org/t/web-site-about-ogs5-environment-configuration/1020)

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**Author:** [@cui-yong](https://discourse.opengeosys.org/u/cui-yong)\
**Replies:** 0\
**Last updated:** [June 5, 2022, 1:58am UTC](https://discourse.opengeosys.org/t/web-site-about-ogs5-environment-configuration/1020 "2022-06-05T01:58:48Z")

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Hi dears, I’m a beginner and I need help to run ogs5. Is the environment configuration tutorial on the website for version 6, or does it apply to all versions? Is there a web site about ogS5 environment configuration?…

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## [Ogs5py - a Python API for OGS5](https://discourse.opengeosys.org/t/ogs5py-a-python-api-for-ogs5/313)

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**Author:** [@sebastian.mueller](https://discourse.opengeosys.org/u/sebastian.mueller)\
**Replies:** 15\
**Last updated:** [May 15, 2022, 3:43pm UTC](https://discourse.opengeosys.org/t/ogs5py-a-python-api-for-ogs5/313 "2022-05-15T15:43:22Z")

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Hey there, I wrote a Python-API for OGS5 as presented at the user-meeting on 2019-01-11. You can find it on Github as part of the GeoStat-Framework: https://github.com/GeoStat-Framework/ogs5py I also wrote a script-g…

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## [Borehole\_heat\_exchanger](https://discourse.opengeosys.org/t/borehole-heat-exchanger/1008)

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**Author:** [@yasinahmadpoor](https://discourse.opengeosys.org/u/yasinahmadpoor)\
**Replies:** 0\
**Last updated:** [May 13, 2022, 10:10am UTC](https://discourse.opengeosys.org/t/borehole-heat-exchanger/1008 "2022-05-13T10:10:28Z")

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Hello everyone, I ran Benchmark 5.2 (Borehole Heat Exchangers: Comparison to Sandbox Experiment) from the book “Geoenergy Modeling II Shallow Geothermal Systems” using ogs5py but showed below error in the output. Value…

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## [Why does Neumann BC applied as source term in OGS?](https://discourse.opengeosys.org/t/why-does-neumann-bc-applied-as-source-term-in-ogs/998)

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**Author:** [@Dinesh\_P](https://discourse.opengeosys.org/u/Dinesh_P)\
**Replies:** 0\
**Last updated:** [April 19, 2022, 6:01am UTC](https://discourse.opengeosys.org/t/why-does-neumann-bc-applied-as-source-term-in-ogs/998 "2022-04-19T06:01:46Z")

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Hi all, I am following Geoenergy Modeling I – Geothermal Processes in Fractured Porous Media book where all the Neumann bc are allied in as source term. (1) How can I apply boundary mass flux boundary (in kg/m2/s) as …

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## [Saltwaterintrusion Modellerung mit OGS](https://discourse.opengeosys.org/t/saltwaterintrusion-modellerung-mit-ogs/896)

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**Author:** [@saber-el-sayed](https://discourse.opengeosys.org/u/saber-el-sayed)\
**Replies:** 13\
**Last updated:** [November 24, 2021, 4:35pm UTC](https://discourse.opengeosys.org/t/saltwaterintrusion-modellerung-mit-ogs/896 "2021-11-24T16:35:25Z")

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Ich schreibe derzeit meine Masterarbeit am LWI Institut für Wasserbau der TU Braunschweig. In meiner Masterarbeit geht es um den Vergleich von MODFLOW und OpenGeoSystem; dafür wurden Laborexperiment zur Salzwasserintrusi…

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## [OGS5: Jenkins builds not available anymore (ogs5py problem)](https://discourse.opengeosys.org/t/ogs5-jenkins-builds-not-available-anymore-ogs5py-problem/803)

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**Author:** [@sebastian.mueller](https://discourse.opengeosys.org/u/sebastian.mueller)\
**Replies:** 3\
**Last updated:** [June 22, 2021, 8:26pm UTC](https://discourse.opengeosys.org/t/ogs5-jenkins-builds-not-available-anymore-ogs5py-problem/803 "2021-06-22T20:26:02Z")

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Hey there, ogs5py provides a routine to download a pre-compiled OGS5 executable for the desired system: https://geostat-framework.readthedocs.io/projects/ogs5py/en/stable/tools.download.html#ogs5py.tools.download.downl…

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## [Modelling a deep closed-loop geothermal system](https://discourse.opengeosys.org/t/modelling-a-deep-closed-loop-geothermal-system/792)

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**Author:** [@Joe](https://discourse.opengeosys.org/u/Joe)\
**Replies:** 2\
**Last updated:** [June 15, 2021, 5:49pm UTC](https://discourse.opengeosys.org/t/modelling-a-deep-closed-loop-geothermal-system/792 "2021-06-15T17:49:23Z")

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Hello all, I’m new to OGS and would appreciate any guidance that you might be able to give on how to tackle a problem I am working on; I’m modelling a deep closed-loop geothermal system comprising two vertical wells co…

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## [Unphysical results for same thermal diffusivity](https://discourse.opengeosys.org/t/unphysical-results-for-same-thermal-diffusivity/760)

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**Author:** [@Jonas](https://discourse.opengeosys.org/u/Jonas)\
**Replies:** 3\
**Last updated:** [May 17, 2021, 10:24am UTC](https://discourse.opengeosys.org/t/unphysical-results-for-same-thermal-diffusivity/760 "2021-05-17T10:24:51Z")

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Hello everyone, I am currently working on my master’s thesis. I simulate scenarios of a geothermal doublet over multiple sandstone formations in OGS5.8. Therefore, I have set up an easy model with one sandstone layer su…

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## [Error: odeint not implemented!](https://discourse.opengeosys.org/t/error-odeint-not-implemented/745)

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**Author:** [@andreamanzoni](https://discourse.opengeosys.org/u/andreamanzoni)\
**Replies:** 0\
**Last updated:** [April 9, 2021, 2:50pm UTC](https://discourse.opengeosys.org/t/error-odeint-not-implemented/745 "2021-04-09T14:50:46Z")

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Dear all, I am a new user and I am currently using OGS5.7 (downloaded at this link OpenGeoSys-5) I’m actually following the tutorial of the book: OpenGeoSys Tutorial Computational Hydrology II: Groundwater Quality Model…

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## [Time discretization scheme](https://discourse.opengeosys.org/t/time-discretization-scheme/701)

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**Author:** [@Haoyue\_Liu](https://discourse.opengeosys.org/u/Haoyue_Liu)\
**Replies:** 2\
**Last updated:** [February 12, 2021, 10:32am UTC](https://discourse.opengeosys.org/t/time-discretization-scheme/701 "2021-02-12T10:32:31Z")

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Hi everyone, I’ve been applied OGS to simulate the groundwater flow and heat transport processes for a while. I found it unclear that which time discretization scheme is applied. As far as I know, there are several opti…

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## [Calculation of errors in adaptive time stepping](https://discourse.opengeosys.org/t/calculation-of-errors-in-adaptive-time-stepping/694)

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**Author:** [@Jonas](https://discourse.opengeosys.org/u/Jonas)\
**Replies:** 1\
**Last updated:** [February 1, 2021, 6:22pm UTC](https://discourse.opengeosys.org/t/calculation-of-errors-in-adaptive-time-stepping/694 "2021-02-01T18:22:57Z")

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Hello everyone, I am new to OGS5 and using it for simulating a geothermal doublet in my Master\`s thesis. I want to use the time control method “PI\_AUTO\_STEP\_SIZE”. Where can I find a more detailed explanation than in th…

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## [Applying ST to curved boundaries in OGS 5?](https://discourse.opengeosys.org/t/applying-st-to-curved-boundaries-in-ogs-5/689)

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**Author:** [@jMC](https://discourse.opengeosys.org/u/jMC)\
**Replies:** 2\
**Last updated:** [January 12, 2021, 10:20am UTC](https://discourse.opengeosys.org/t/applying-st-to-curved-boundaries-in-ogs-5/689 "2021-01-12T10:20:09Z")

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Hello, I am looking to apply a ST to the DEFORMATION process on a curved surface. I tried defining the surface using polylines (see Yellow surface) and using the $DISPLACEMENT\_N keyword but that doesn’t work. I then tr…

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## [Long model running time](https://discourse.opengeosys.org/t/long-model-running-time/439)

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**Author:** [@Haoyue\_Liu](https://discourse.opengeosys.org/u/Haoyue_Liu)\
**Replies:** 16\
**Last updated:** [September 24, 2020, 7:19am UTC](https://discourse.opengeosys.org/t/long-model-running-time/439 "2020-09-24T07:19:22Z")

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Hi all, Happy new year! I’m applying ogs5py on python to simulate a coupled system which includes both heat transport and groundwater flow. Due to the required precision, my mesh file was generated by over 30000 points.…

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## [Non-linear solver](https://discourse.opengeosys.org/t/non-linear-solver/569)

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**Author:** [@Haoyue\_Liu](https://discourse.opengeosys.org/u/Haoyue_Liu)\
**Replies:** 1\
**Last updated:** [August 31, 2020, 3:55pm UTC](https://discourse.opengeosys.org/t/non-linear-solver/569 "2020-08-31T15:55:27Z")

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Hi everyone, I have a question about the solver. In the numerical block there are linear solver and non-linear solver. I’m doubting in which condition should I apply non-linear solver. In my model, only heat transport a…

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