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Search: Posts Made By: Nucleophobe
Forum: ParaView October 16, 2017, 14:29
Replies: 8
Views: 7,258
Posted By Nucleophobe
Hi Joseph, I'm not familiar with the...

Hi Joseph,

I'm not familiar with the "Surface Flow" filter, but if it outputs scalars, you should be able to create a "Programmable Filter" to export the results to a file relatively easily:

...
Forum: Main CFD Forum July 5, 2016, 14:25
Replies: 55
Views: 14,649
Posted By Nucleophobe
This link should work: ...

This link should work:
http://www.personal.psu.edu/dab143/OFW6/Training/cragun_slides.pdf
Forum: OpenFOAM Community Contributions September 2, 2015, 12:47
Replies: 287
Views: 51,352
Posted By Nucleophobe
Flowkersma, It looks like you made some...

Flowkersma,

It looks like you made some excellent additions to swiftBlock! Looking forward to trying this out myself.

Nice work!
-Nuc
Forum: ParaView August 22, 2015, 13:00
Replies: 8
Views: 5,076
Posted By Nucleophobe
Script to make VTK series readable in Paraview

Canopus,

Paraview can read a sequence of VTK files, but the VTK filenames must end in an incrementing integer value (e.g., 1,2,3... or 1000,1001,1002...).
See: ...
Forum: OpenFOAM Programming & Development August 14, 2015, 18:36
Replies: 8
Views: 13,435
Posted By Nucleophobe
Sqrt(2)

Greetings, Rudolf.

I'm a few months late here, but I think you have asked an important question. I worked this out once before but forgot my conclusion, so it's worth revisiting.

First,...
Forum: OpenFOAM Programming & Development April 1, 2015, 10:58
Replies: 17
Views: 3,897
Posted By Nucleophobe
Can you post your error message too? I'll dig up...

Can you post your error message too? I'll dig up my code later and see how the syntax differs.

BTW: you have a typo in your code:
facezZone[zID]

facesZone[zID]
Forum: ParaView March 29, 2015, 11:10
Replies: 1
Views: 1,623
Posted By Nucleophobe
Did you ever figure this our Bomcar? I'm trying...

Did you ever figure this our Bomcar? I'm trying to do the same thing.

You can do it with a programmable filter, but the details are a bit tricky. Here's some example code that does something...
Forum: OpenFOAM Programming & Development March 28, 2015, 12:14
Replies: 17
Views: 3,897
Posted By Nucleophobe
Andy, Can you post your code so we can see...

Andy,

Can you post your code so we can see what's going on? You need to setup a few things before you can access faceZone data.
Forum: OpenFOAM Meshing & Mesh Conversion August 25, 2014, 21:38
Replies: 17
Views: 3,959
Posted By Nucleophobe
Smile H25E, It sounds like you need to clean up...

H25E,

It sounds like you need to clean up your case directory. You shouldn't have any directories with numbers as names (remove 0, 1,2,3, etc. ). After removing all the extra directories, run...
Forum: OpenFOAM Meshing & Mesh Conversion August 20, 2014, 11:17
Replies: 17
Views: 3,959
Posted By Nucleophobe
H25E, I think you block mesh may be a...

H25E,

I think you block mesh may be a *little* too coarse for your case. Try increasing you refinement, or decreasing the size of your domain (since this is just a test case).

Also, make sure...
Forum: OpenFOAM Programming & Development August 14, 2014, 16:07
Replies: 17
Views: 3,897
Posted By Nucleophobe
*EDIT: I got it - see bottom Okay, I was...

*EDIT: I got it - see bottom

Okay, I was able to create a faceSet of boundary faces only via the following topoSetDict code (the key - use of "action subSet"):

{
name myFaceSet;...
Forum: OpenFOAM Programming & Development August 14, 2014, 10:14
Replies: 17
Views: 3,897
Posted By Nucleophobe
jhoepken, I tried this, but the faceSet I...

jhoepken,

I tried this, but the faceSet I created included internal faces in my bounding box.If I can create a faceSet from a patch, that would work, so I'll look into that.

Thanks!
Forum: OpenFOAM Programming & Development August 14, 2014, 10:01
Replies: 17
Views: 3,897
Posted By Nucleophobe
In this case, there is only one boundary patch (a...

In this case, there is only one boundary patch (a wall) and then some exposed internal faces.

Is it possible to query a patch within a cellZone?
Forum: OpenFOAM Meshing & Mesh Conversion August 13, 2014, 17:30
Replies: 17
Views: 3,959
Posted By Nucleophobe
Can you post a screenshot of your case geometry?...

Can you post a screenshot of your case geometry? Are you doing external flow, or internal flow? You may need to refine your blockMesh...

Also, did sHM (snappyHexMesh) write out any data to...
Forum: OpenFOAM Programming & Development August 13, 2014, 16:36
Replies: 17
Views: 3,897
Posted By Nucleophobe
Access boundaryMesh / boundaryField on cellZone

Hi all:

I have a question similar to one posed in an earlier thread regarding the manipulation of cellZones.

I would like to calculate the wall shear stress on the boundary of a cellZone which...
Forum: OpenFOAM Meshing & Mesh Conversion August 13, 2014, 15:13
Replies: 17
Views: 3,959
Posted By Nucleophobe
Okay, maybe try renaming the file extension to...

Okay, maybe try renaming the file extension to .stlb? See thread below:
http://www.cfd-online.com/Forums/openfoam-meshing-technical/73008-binary-ascii-stl.html

Otherwise consider posting the STL...
Forum: OpenFOAM Meshing & Mesh Conversion August 13, 2014, 14:41
Replies: 17
Views: 3,959
Posted By Nucleophobe
Okay, open the STL file in a text editor (notepad...

Okay, open the STL file in a text editor (notepad on Windows, vim/emacs/nano/gedit on Linux...). Do you see lines of code like this:

solid
facet normal ni nj nk
outer loop
vertex...
Forum: OpenFOAM Meshing & Mesh Conversion August 13, 2014, 14:18
Replies: 17
Views: 3,959
Posted By Nucleophobe
Okay, I don't see anything alarming there. ...

Okay, I don't see anything alarming there.

Is "PTri.stl" an ASCII file, or binary? If it's binary, try converting it to an ASCII file and see if that changes your error output (you can do this...
Forum: OpenFOAM Meshing & Mesh Conversion August 13, 2014, 13:04
Replies: 17
Views: 3,959
Posted By Nucleophobe
H25E, Could you post your snappyHexMeshDict...

H25E,

Could you post your snappyHexMeshDict file? These kinds of errors can be a little tricky to track down, anything from a missing semicolon to a misspelled word...
Forum: OpenFOAM Community Contributions July 10, 2014, 13:35
Replies: 287
Views: 51,352
Posted By Nucleophobe
Preserving internal edges to maintain block structure

First, thank you kalle for these great tools!

I have a (perhaps) simple question about swiftBlock. I have been creating my blender objects primarily by extruding either a cube or a 2D plane into...
Forum: OpenFOAM Programming & Development January 29, 2014, 15:40
Replies: 31
Views: 39,872
Posted By Nucleophobe
postAverage 'bug' fix

All,

EDIT: the original code for postAverage seems to work fine on OpenFOAM/2.2.0/051613. I was having problems with OpenFOAM/2.1.x/071612. If in doubt, check your setup with the case I posted...
Forum: OpenFOAM Programming & Development January 28, 2014, 14:28
Replies: 31
Views: 39,872
Posted By Nucleophobe
Exclamation snappyHex, I know this is an old thread, but...

snappyHex,

I know this is an old thread, but I am trying to understand what's going on with the postAverage utility as well. Did you ever resolve the problem?

I tried to replicate your...
Forum: OpenFOAM Bugs January 27, 2014, 18:05
Replies: 8
Views: 5,303
Posted By Nucleophobe
Good to know Bruno! In case you don't have...

Good to know Bruno!

In case you don't have access to OpenFOAM 2.2.x (I'm running on a cluster with OpenFOAM 2.1.x), you can always just run
execFlowFunctionObjects >> log.forces
and extract...
Forum: OpenFOAM December 14, 2013, 17:37
Replies: 13
Views: 3,770
Posted By Nucleophobe
This is basically a modified Turek-Hron...

This is basically a modified Turek-Hron benchmark, right?

https://www.google.com/search?client=ubuntu&channel=fs&q=Turek-Hron+&ie=utf-8&oe=utf-8

Edit:
Thread heading:"Fluid structure...
Forum: Main CFD Forum December 14, 2013, 13:10
Replies: 55
Views: 14,649
Posted By Nucleophobe
Wow, all of exacorp's video's are pretty...

Wow, all of exacorp's video's are pretty stunning! Do you work with them lovecraft22?

I guess I could put a plug in here for a few videos I worked on. In some of our lab's biological fluid...
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