CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums

Search Results

Register Blogs Community New Posts Updated Threads Search

Page 1 of 5 1 23 Last »
Showing results 1 to 25 of 106
Search took 0.01 seconds. Search:
All posts below here were posted before your last visit.
Forum: OpenFOAM Programming & Development Today, 20:23
Replies: 18
Views: 1,816
Posted By ishtaiaq9
Hi Farzad, were you able to create a working code...

Hi Farzad, were you able to create a working code for the forced isotropic turbulence?
Forum: OpenFOAM Programming & Development Today, 14:07
Replies: 0
Views: 30
Posted By Junyu
Interpolation for fvPatchField

Hi, everyone. I'm about to write a dynamic boundary with codedFixedValue.
I want to use the pressure to force the boundary deform and move, so I need the pressure value on the boundary points.
...
Forum: OpenFOAM Pre-Processing Today, 12:54
Replies: 11
Views: 143
Posted By lentschi
My case is now ready for sharing. If there is...

My case is now ready for sharing. If there is someone out there who is willing to support, please just PM me and I will share the case (constant + system folder) via OneDrive.


Thanks and best...
Forum: OpenFOAM Installation Today, 12:43
Replies: 0
Views: 51
Posted By smhk
Performance comparison between OpenFOAM on native Linux, WSL, and native Windows

Hello everyone,
I want to know the performance differences among OpenFOAM on native Linux, WSL, and native Windows (https://develop.openfoam.com/Development/openfoam/-/wikis/precompiled/windows)....
Forum: OpenFOAM Running, Solving & CFD Today, 07:18
Replies: 12
Views: 529
Posted By blr
Thumbs up Hi, okrochak, and everyone, here is a thread for...

Hi, okrochak, and everyone, here is a thread for this issue,https://www.cfd-online.com/Forums/openfoam-post-processing/187798-why-no-slip-b-c-does-not-obtain-zero-velocity-contour.html...
Forum: OpenFOAM Running, Solving & CFD Today, 06:48
Replies: 12
Views: 529
Posted By blr
I have met the same issue. I use the symmetry...

I have met the same issue. I use the symmetry conditon, but the velocity normal to the symmetric face is not zeor. Your results justify my situation. Thanks a lot, okrochak!
Forum: OpenFOAM Programming & Development Yesterday, 18:53
Replies: 0
Views: 53
Posted By rewol
Accessing Dictionary Files from src files

Hello,


I am developing my own chemistry library and need to track reaction rates for certain reactions. For this i copied StandardChemistryModel class and it is my intention to make the class...
Forum: OpenFOAM Meshing & Mesh Conversion Yesterday, 10:03
Replies: 0
Views: 37
Posted By smithloo
About installing OpenFOAM 2.4.0

I've been trying to install OpenFOAM 2.4.0 (a requirement for SOWFA, for those curious to why) using Ubuntu 20.04 LTS for Windows. There's a lot of good advice out there but some don't seem to work...
Forum: OpenFOAM Programming & Development Yesterday, 00:18
Replies: 3
Views: 397
Posted By Xinze
You may find what you need here: ...

You may find what you need here:

https://github.com/sirredbeard/WSL2-more-cores
Forum: OpenFOAM Verification & Validation May 3, 2024, 12:34
Replies: 2
Views: 1,452
Posted By mo___
Hi Tobermory, I'm trying to perform a...

Hi Tobermory,



I'm trying to perform a grid independence test on turbulence modeling for my problem, which involves the mixing process in a micromixer through LES simulation using OpenFOAM....
Forum: OpenFOAM Meshing & Mesh Conversion May 3, 2024, 10:44
Replies: 8
Views: 1,080
Posted By nipinl
boundary layers on gyroid surface

Hi,
I tried cfMesh and it indeed works great. Boundary layers are adding well. However, I faced some issue at the corners, which I could not resolve with local refinements. Did you face similar...
Forum: OpenFOAM May 3, 2024, 10:01
Replies: 0
Views: 48
Posted By udique
Solar collector using viewFactor radiation model

Hey, everyone. I'm relatively new to OpenFOAM and I'm currently trying to simulate a solar collector, which is similar to a box using buoyantFoam. It has an inlet and an outlet of air and a radiation...
Forum: OpenFOAM May 3, 2024, 09:42
Replies: 6
Views: 712
Posted By K.C.
I found this thread via Google and have to admit,...

I found this thread via Google and have to admit, that I am facing the same problem.


I copied an existing solver module, modified it and then compiled it into an shared library with .so...
Forum: OpenFOAM Running, Solving & CFD May 3, 2024, 09:29
Replies: 0
Views: 64
Posted By hogsonik
why doesn't the total mass increase when using buoyantPimpleFoam

Hello, guys, I am using buoyantPimpleFoam to simulate the air inflation progress. I have a model with one inlet patch and other walls. Air is inflated through inlet and we know that the temperature...
Forum: OpenFOAM Post-Processing May 3, 2024, 08:13
Replies: 0
Views: 43
Posted By tfisherira
Exclamation foamMonitor gnuplot error

I am receiving the error

"/tmp/tmp.NMy7Go" line 8: function to plot expectedAfter executing the command



foamMonitor -l postProcessing/residuals/0/residuals.datI believe gnuplots is...
Forum: OpenFOAM Pre-Processing May 3, 2024, 08:00
Replies: 11
Views: 143
Posted By lentschi
I am allowed to share the case. I will have acess...

I am allowed to share the case. I will have acess to the data on Sunday.
Typically, I mesh in parallel, but on these days there were no free cores left. Unfortunately, I am not the only one using...
Forum: OpenFOAM Running, Solving & CFD May 3, 2024, 06:17
Replies: 1
Views: 86
Posted By Marcelinus
Hi there, I got the same error a...

Hi there,



I got the same error a couple days ago and this was my fix:


In the velocity boundary file you need to specify the name of the MRF zone if there are multiple. Like this:...
Forum: OpenFOAM Meshing & Mesh Conversion May 3, 2024, 05:26
Replies: 6
Views: 89
Posted By Hawxliquid
Thanks for the really useful post! Indeed, I...

Thanks for the really useful post!
Indeed, I forgot to mention I also fixed the faceZone mistake.


Regarding the locationsInMesh, it seems indeed quite a simpler way to do things!
That also...
Forum: OpenFOAM Meshing & Mesh Conversion May 3, 2024, 05:21
Replies: 6
Views: 89
Posted By Yann
Alright, glad to know you solved your issue! ...

Alright, glad to know you solved your issue!

In the example your posted before, the fluid cellZone was not properly defined, I think because it was missing a faceZone definition:

fluid
...
Forum: OpenFOAM Running, Solving & CFD May 3, 2024, 04:08
Replies: 0
Views: 55
Posted By Hawxliquid
chtMultiRegionFoam and solar load

Hi everyone.
I am trying a case using chtMultiRegionFoam, but I am having trouble making it work.
The case itself is simple, I represent a city through solid bocks, aswel as a ground. I then have...
Forum: OpenFOAM Meshing & Mesh Conversion May 3, 2024, 04:05
Replies: 0
[snappyHexMesh] addLayerscontrol
Views: 33
Posted By Allen_Huang
addLayerscontrol

Here is my snappyHexMesh code:
...

/* refinementBox
{
type searchableBox;
min (-1 -1 -1);
max ( 5 1 1);
} */
};
Forum: OpenFOAM Meshing & Mesh Conversion May 3, 2024, 03:57
Replies: 6
Views: 89
Posted By Hawxliquid
Version 2312. But I think I found the issue! ...

Version 2312. But I think I found the issue!
Running the command splitMeshRegions -cellZones -overwrite seems to work
Forum: OpenFOAM May 3, 2024, 03:53
Replies: 0
Views: 59
Posted By 616
How to simulate the bubble pulsation of underwater explosion

What solver should I use?I want to simulate the response of bubble pulsation to a structure such as a concrete slab after underwater explosion.Thank you all.
Forum: OpenFOAM Running, Solving & CFD May 3, 2024, 02:04
Replies: 1
Views: 80
Posted By tomf
Hi, There are several ways to find out what...

Hi,

There are several ways to find out what is necessary to be filled in. The error here:


[4] Entry 'liquidEvapFuchsKnudsenCoeffs' not found in dictionary "stream/subModels"
[4]
[4]
[4]...
Forum: OpenFOAM Running, Solving & CFD May 3, 2024, 01:15
Replies: 0
Views: 46
Posted By steve12
rhoCentralFoam error

hello,

I'm fairly new to OpenFOAM. I'm trying to have a supersonic flow over an object and when I try running it, the rhoCentralFoam provides this:

diagonal: Solving for rho, Initial residual...
Showing results 1 to 25 of 106
Page 1 of 5 1 23 Last »

 
Forum Jump

All times are GMT -4. The time now is 20:27.

Contact Us - CFD Online - Privacy Statement - Top