# \#cht **URL:** https://precice.discourse.group/tag/cht/33.md [Latest](https://precice.discourse.group/latest.md) · [Categories](https://precice.discourse.group/categories.md) · [Tags](https://precice.discourse.group/tags.md) --- ## [Error from the CalculiX adapter for CHT coupling with heat-flux](https://precice.discourse.group/t/error-from-the-calculix-adapter-for-cht-coupling-with-heat-flux/2718)
**Author:** [@SarahDi](https://precice.discourse.group/u/SarahDi)\ **Replies:** 4\ **Last updated:** [February 9, 2026, 12:36pm UTC](https://precice.discourse.group/t/error-from-the-calculix-adapter-for-cht-coupling-with-heat-flux/2718 "2026-02-09T12:36:24Z")
Hello everybody, I just started to transfer a coupled heat-transfer and fsi simulation from precice2.5 to precice3.3 and ran into some trouble with the calculix adapter. It fails with the following error: terminate cal… --- ## [Floating point exception while using parallel-explicit coupling scheme for two different interfaces](https://precice.discourse.group/t/floating-point-exception-while-using-parallel-explicit-coupling-scheme-for-two-different-interfaces/1944)
**Author:** [@dibyendu](https://precice.discourse.group/u/dibyendu)\ **Replies:** 15\ **Last updated:** [May 19, 2025, 6:55am UTC](https://precice.discourse.group/t/floating-point-exception-while-using-parallel-explicit-coupling-scheme-for-two-different-interfaces/1944 "2025-05-19T06:55:41Z")
Dear All, I am attempting to couple three regions for heat conduction using the preCICE adapter. For each region, I am solving the heat conduction equation in OpenFOAM. However, during the simulation, I encounter a floa… --- ## [Unexpectedly High Interface Temperature in OpenFOAM-Code\_Aster Heat Transfer Coupling](https://precice.discourse.group/t/unexpectedly-high-interface-temperature-in-openfoam-code-aster-heat-transfer-coupling/2377)
**Author:** [@buttersflg](https://precice.discourse.group/u/buttersflg)\ **Replies:** 5\ **Last updated:** [March 26, 2025, 12:14pm UTC](https://precice.discourse.group/t/unexpectedly-high-interface-temperature-in-openfoam-code-aster-heat-transfer-coupling/2377 "2025-03-26T12:14:43Z")
Dear all I am working on the Flow over heated plate steady-state tutorial described here: :link: Flow over heated plate steady state | preCICE - The Coupling Library Versions Used preCICE: 3.0.0 OpenFOAM: v2312 OpenF… --- ## [Configuring a Solid-Solid-Fluid CHT case in OpenFOAM](https://precice.discourse.group/t/configuring-a-solid-solid-fluid-cht-case-in-openfoam/2258)
**Author:** [@mr.junfu444](https://precice.discourse.group/u/mr.junfu444)\ **Replies:** 1\ **Last updated:** [March 21, 2025, 6:54pm UTC](https://precice.discourse.group/t/configuring-a-solid-solid-fluid-cht-case-in-openfoam/2258 "2025-03-21T18:54:58Z")
my system:Ubuntu 20.04.4 preCICE:v2.4.0 OpenFOAM:v2006 OpenFOAM-adapter-v1.0.0 participants: fuel(solid) - cladding(solid) - coolant(liquid) I don’t know how to set the 0/T folder type for the participant OpenFOAM:cla… --- ## [OpenFOAM-CHT or Coupled CHT approach?](https://precice.discourse.group/t/openfoam-cht-or-coupled-cht-approach/2268)
**Author:** [@Umut](https://precice.discourse.group/u/Umut)\ **Replies:** 4\ **Last updated:** [March 19, 2025, 7:54pm UTC](https://precice.discourse.group/t/openfoam-cht-or-coupled-cht-approach/2268 "2025-03-19T19:54:54Z")
I’m working on Conjugate Heat Transfer (CHT) problems and would like to discuss possible approaches. As far as I know, there are two main options: 1- Use the chtMultiRegion solvers available within OpenFOAM. 2- Couple O… --- ## [FSI + CHT - perpendicular flap (OF and CCX)](https://precice.discourse.group/t/fsi-cht-perpendicular-flap-of-and-ccx/2260)
**Author:** [@mishal49](https://precice.discourse.group/u/mishal49)\ **Replies:** 2\ **Last updated:** [March 19, 2025, 6:26pm UTC](https://precice.discourse.group/t/fsi-cht-perpendicular-flap-of-and-ccx/2260 "2025-03-19T18:26:21Z")
Hello Hope you are all well I was wondering if there was anyone with experience conducting FSI + CHT together using OF and CCX. I am trying to test the simple perp flap case and am wanting to incorporate CHT into it. … --- ## [Wrong heat-flux direction with OpenFoam CHT](https://precice.discourse.group/t/wrong-heat-flux-direction-with-openfoam-cht/1790)
**Author:** [@Paolo](https://precice.discourse.group/u/Paolo)\ **Replies:** 3\ **Last updated:** [March 11, 2024, 8:51pm UTC](https://precice.discourse.group/t/wrong-heat-flux-direction-with-openfoam-cht/1790 "2024-03-11T20:51:25Z")
Hello, I am making a simple case-study with OpenFOAM, I am using the CHT module. My case consists in two 2D rectangular regions placed one over the other: in the lower one a fluid flows from left to right while the upp… --- ## [OpenFoam CHT with non-Newtonian fluids, non constant Prandtl](https://precice.discourse.group/t/openfoam-cht-with-non-newtonian-fluids-non-constant-prandtl/1785)
**Author:** [@Paolo](https://precice.discourse.group/u/Paolo)\ **Replies:** 1\ **Last updated:** [March 11, 2024, 8:49pm UTC](https://precice.discourse.group/t/openfoam-cht-with-non-newtonian-fluids-non-constant-prandtl/1785 "2024-03-11T20:49:46Z")
Hello, I would like to use the CHT module of the OpenFoam adapter to couple my user defined non-Newtonian solver with a solid region. My solver is just a modified version of simpleFoam with added the temperature equatio… --- ## [Fluid-solid CHT Multiphase coupling](https://precice.discourse.group/t/fluid-solid-cht-multiphase-coupling/1688)
**Author:** [@2020AMP005\_KANAK\_RAJ](https://precice.discourse.group/u/2020AMP005_KANAK_RAJ)\ **Replies:** 2\ **Last updated:** [November 29, 2023, 8:49am UTC](https://precice.discourse.group/t/fluid-solid-cht-multiphase-coupling/1688 "2023-11-29T08:49:31Z")
sir, I am facing issues to couple the solid and fluid for multiphase simulation using precice. I had modified the tutorial case of flow over heated plate in precice and using laplacianFoam solver for solid and interConde… --- ## [CHT flow around a flap using rhocentralfoam](https://precice.discourse.group/t/cht-flow-around-a-flap-using-rhocentralfoam/1519)
**Author:** [@Sanjeev\_Adhikari](https://precice.discourse.group/u/Sanjeev_Adhikari)\ **Replies:** 7\ **Last updated:** [August 16, 2023, 6:38am UTC](https://precice.discourse.group/t/cht-flow-around-a-flap-using-rhocentralfoam/1519 "2023-08-16T06:38:09Z")
Build : \_66908158ae-20221220 OPENFOAM=2212 version=v2212 Arch : "LSB;label=64;scalar=64" Exec : rhoCentralFoam Date : Aug 11 2023 Time : 20:03:56 Host : detonation PID : 8436 I/O : uncollated Case : /h… --- ## [Flow over a heated plate two meshes case](https://precice.discourse.group/t/flow-over-a-heated-plate-two-meshes-case/1517)
**Author:** [@Sanjeev\_Adhikari](https://precice.discourse.group/u/Sanjeev_Adhikari)\ **Replies:** 4\ **Last updated:** [August 11, 2023, 7:35am UTC](https://precice.discourse.group/t/flow-over-a-heated-plate-two-meshes-case/1517 "2023-08-11T07:35:57Z")
I have got this error while running the cht tutorial case i.e., flow over a heated plate for two meshes with calculix. Also, I was trying to build a new case for cht based on this example, I faced the same issue. Starti… --- ## [A question about FSI and CHT modules](https://precice.discourse.group/t/a-question-about-fsi-and-cht-modules/1381)
**Author:** [@Beholder](https://precice.discourse.group/u/Beholder)\ **Replies:** 4\ **Last updated:** [May 11, 2023, 2:05pm UTC](https://precice.discourse.group/t/a-question-about-fsi-and-cht-modules/1381 "2023-05-11T14:05:37Z")
Hello! I saw in the tutorial that multiple modules can be used simultaneously, so I started CHT and FSI simultaneously to solve the problem of cylinder flow. I hope to generate deformation while also heating the walls w… --- ## [Capabilities of adapters for 3D CHT](https://precice.discourse.group/t/capabilities-of-adapters-for-3d-cht/1310)
**Author:** [@dionhaefner](https://precice.discourse.group/u/dionhaefner)\ **Replies:** 3\ **Last updated:** [February 28, 2023, 9:34am UTC](https://precice.discourse.group/t/capabilities-of-adapters-for-3d-cht/1310 "2023-02-28T09:34:02Z")
From what I’ve gathered, it looks like the FEniCS adapter does not handle 3D (well). Is there a list for the supported features of each adapter, especially for 3D CHT problems? Or, to re-phrase the question, which solve… --- ## [Fluid-solid CHT coupling](https://precice.discourse.group/t/fluid-solid-cht-coupling/1071)
**Author:** [@Claudio](https://precice.discourse.group/u/Claudio)\ **Replies:** 6\ **Last updated:** [September 26, 2022, 3:10pm UTC](https://precice.discourse.group/t/fluid-solid-cht-coupling/1071 "2022-09-26T15:10:29Z")
Hi, I’m trying to simulate CHT using OpenFOAM for both solid and fluid. I started from the tutorials and modified the geometry to my needs. I have a couple of questions as, unfortunately, I have no experience with CHT. … --- ## [Variable time steps without sub-cycling in serial-explicit coupling](https://precice.discourse.group/t/variable-time-steps-without-sub-cycling-in-serial-explicit-coupling/1049)
**Author:** [@auer1329](https://precice.discourse.group/u/auer1329)\ **Replies:** 22\ **Last updated:** [July 11, 2022, 7:52am UTC](https://precice.discourse.group/t/variable-time-steps-without-sub-cycling-in-serial-explicit-coupling/1049 "2022-07-11T07:52:18Z")
Hello, I am setting up a CHT case with three regions (one fluid, two solids). Region Capsule is between regions PCM and Water and coupled to both of them. I am using the fluid region as “master-region” and want the co… --- ## [Using OpenFOAM adapter with axisymmetric mesh](https://precice.discourse.group/t/using-openfoam-adapter-with-axisymmetric-mesh/598)
**Author:** [@fkyburg](https://precice.discourse.group/u/fkyburg)\ **Replies:** 3\ **Last updated:** [May 2, 2022, 11:39am UTC](https://precice.discourse.group/t/using-openfoam-adapter-with-axisymmetric-mesh/598 "2022-05-02T11:39:43Z")
Hi, I am trying to run a CHT case between two OpenFOAM solvers (sonicFoam and laplacianFoam) with a an 2D axisymmetric mesh. However, the openfoam adapter seems to not recognize that the mesh is axisymmetric and asks tha… --- ## [Temperature anomaly/ Calculix OpenFoam CHT Coupling](https://precice.discourse.group/t/temperature-anomaly-calculix-openfoam-cht-coupling/915)
**Author:** [@Ramon\_Wagner](https://precice.discourse.group/u/Ramon_Wagner)\ **Replies:** 6\ **Last updated:** [February 16, 2022, 8:44am UTC](https://precice.discourse.group/t/temperature-anomaly-calculix-openfoam-cht-coupling/915 "2022-02-16T08:44:43Z")
Hello Guys, Im trying to do a coupling simulation with OpenFoam and Calculix to simulate the thermic stress. I used the Heat Exchanger tutorial to build up my Case. There is one Problem, in every simulation there is on… --- ## [Fluid-Structure-Thermal interaction(FTSI) using Openfoam-Calculix](https://precice.discourse.group/t/fluid-structure-thermal-interaction-ftsi-using-openfoam-calculix/869)
**Author:** [@Bai0616](https://precice.discourse.group/u/Bai0616)\ **Replies:** 1\ **Last updated:** [January 12, 2022, 2:59pm UTC](https://precice.discourse.group/t/fluid-structure-thermal-interaction-ftsi-using-openfoam-calculix/869 "2022-01-12T14:59:20Z")
Hello, I plan to simulate a case about fluid-solid-thermal coupling completely where Openfoam as fluid solver and Calculix as the thermal-structural, can u provide me a example or give me some tips. Thanks very much. --- ## [Code\_Aster adapter not able to communicate with OpenFOAM adapter](https://precice.discourse.group/t/code-aster-adapter-not-able-to-communicate-with-openfoam-adapter/653)
**Author:** [@Night\_Hawk](https://precice.discourse.group/u/Night_Hawk)\ **Replies:** 1\ **Last updated:** [July 6, 2021, 12:34pm UTC](https://precice.discourse.group/t/code-aster-adapter-not-able-to-communicate-with-openfoam-adapter/653 "2021-07-06T12:34:01Z")
Hi, I wanted to run tutorial given here https://precice.org/adapter-code\_aster.html to test my code aster installation. But it always struck to this ---\[precice\] Setting up master communication to coupling partner/s … --- ## [preCICE mesh id (-1) error (OpenFOAM+CalculiX CHT)](https://precice.discourse.group/t/precice-mesh-id-1-error-openfoam-calculix-cht/313)
**Author:** [@Alphaoo1](https://precice.discourse.group/u/Alphaoo1)\ **Replies:** 21\ **Last updated:** [May 19, 2021, 6:50am UTC](https://precice.discourse.group/t/precice-mesh-id-1-error-openfoam-calculix-cht/313 "2021-05-19T06:50:20Z")
System Kubuntu 18.04LTS preCICE v2.1 OpenFOAM v7 CalculiX v2.15 What I am trying to do: I am trying to run a 2-way coupling between OpenFOAM and CalculiX, but for heat transfer in of FSI. For OpenFOAM , I took t… --- ## [Volume fluid-fluid and CHT coupling with OpenFOAM and Nutils](https://precice.discourse.group/t/volume-fluid-fluid-and-cht-coupling-with-openfoam-and-nutils/356)
**Author:** [@CarsvO](https://precice.discourse.group/u/CarsvO)\ **Replies:** 3\ **Last updated:** [October 14, 2020, 10:25am UTC](https://precice.discourse.group/t/volume-fluid-fluid-and-cht-coupling-with-openfoam-and-nutils/356 "2020-10-14T10:25:01Z")
Hello! I am new to preCICE and have a few questions. I will first sketch the situation for more clarity. I am using OpenFOAM to solve the velocity field in a turbulent flow. I am using simpleFOAM with a RANS model, so … --- ## [OpenFOAM adapter configuration for two-phase CHT simulation](https://precice.discourse.group/t/openfoam-adapter-configuration-for-two-phase-cht-simulation/332)
**Author:** [@Ahmed\_Zoweil](https://precice.discourse.group/u/Ahmed_Zoweil)\ **Replies:** 5\ **Last updated:** [September 29, 2020, 10:52am UTC](https://precice.discourse.group/t/openfoam-adapter-configuration-for-two-phase-cht-simulation/332 "2020-09-29T10:52:22Z")
Dear PreCICE team and users, I am trying to use the standard OpenFOAM adapter to couple the compressibleInterFoam Solver with the laplacianFoam Solver for CHT simulation in OFv1912. The coupling works for some time step…