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Forum: OpenFOAM Community Contributions

April 19, 2012, 10:52

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Honestly I have never user the wikki so I have no...

Honestly I have never user the wikki so I have no idea how to include this :)

However, it is not urgent, it's an ongoing work so I cannot share everything right now. The contract ends on july and...

Forum: OpenFOAM Community Contributions

April 19, 2012, 02:47

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Thanks again for your help Bernhard! I...

Thanks again for your help Bernhard!

I managed to get it working, and to track my two vortices.
Here is an example of what I was trying to do:
http://i.imgur.com/oRo3n.gif

Forum: OpenFOAM Community Contributions

April 16, 2012, 10:32

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Ok I see, not straight forward but brilliant! :) ...

Ok I see, not straight forward but brilliant! :)

I manage to get something which looks interesting with the following lines:

mask
{
type swakExpression;
valueType...

Forum: OpenFOAM Community Contributions

April 16, 2012, 02:38

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Dear Bernhard, do you think it is possible...

Dear Bernhard,

do you think it is possible to create a subset of my mesh based on the vorticity value or on a coordinate for instance and then look for a maximum only in that subset?

Forum: OpenFOAM Community Contributions

April 13, 2012, 01:56

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Indeed, this is my problem. I have two...

Indeed, this is my problem. I have two counter-rotating vortices propagating in my field. They move in time so they are not always at the same place :(
I am not sure how to handle that. I would need...

Forum: OpenFOAM Community Contributions

April 12, 2012, 09:08

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

I got it working. At least I can track one vortex...

I got it working. At least I can track one vortex center with this code:

functions
(
maxVortPosY
{
type swakExpression;
valueType internalField;
expression...

Forum: OpenFOAM Community Contributions

April 12, 2012, 03:08

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Dear Bernhard, Thank you for your reply....

Dear Bernhard,

Thank you for your reply. Indeed it looks like minPosition and maxPosition could be a good starting point.

I went to the wiki in order to see how to download the development...

Forum: OpenFOAM Community Contributions

April 11, 2012, 11:16

Replies: 13

[swak4Foam] Track vortices using Swak4FOAM

Views: 2,683

Posted By vinz

Track vortices using Swak4FOAM

Hi all,

I am simulating the propagation in space and time of some vortices.
I would like to be able to trace the center of these vortices into my field and then be able to compute the circulation...

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