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Forum: OpenFOAM Running, Solving & CFD November 14, 2011, 04:09
Replies: 28
Views: 12,111
Posted By bephi
Hi Michael, the shown equation is derived for a...

Hi Michael,
the shown equation is derived for a 2D channel and not for a 3D pipe. Although, you have nice pulsatile effects the flow rate is a sinus if you integrate it. to get a flow rate which...
Forum: OpenFOAM Running, Solving & CFD August 10, 2011, 05:00
Replies: 28
Views: 12,111
Posted By bephi
This depends on the amplitude and mean velocity...

This depends on the amplitude and mean velocity you like to have. I don't know for what you are needing this profile. In my case it was a model of the basilar arterie in the Circle of Willis so I got...
Forum: OpenFOAM Running, Solving & CFD August 10, 2011, 03:42
Replies: 28
Views: 12,111
Posted By bephi
Hi and sorry for the late answer. Well, I...

Hi and sorry for the late answer. Well, I implemented the following version of the real part of the Womersley solution:
http://s1.directupload.net/images/110810/temp/d9oxrf2k.jpg...
Forum: OpenFOAM Running, Solving & CFD July 20, 2011, 12:38
Replies: 28
Views: 12,111
Posted By bephi
hi daniel, its great that you want to implement...

hi daniel,
its great that you want to implement the complete womersley profile in 3D! i would like to improve my BC as well but i am in cambodia on vacation until the 1st of august and the internet...
Forum: OpenFOAM Running, Solving & CFD April 6, 2011, 02:22
Replies: 28
Views: 12,111
Posted By bephi
Good morning! I have no access to the files...

Good morning!
I have no access to the files right now but I used the real part of the complex function which is:
http://www-e.uni-magdeburg.de/~berg/stuff/womersleyvelocityprofil.jpg

As I said...
Forum: OpenFOAM Running, Solving & CFD April 4, 2011, 12:41
Replies: 28
Views: 12,111
Posted By bephi
You have to compile the bc as described and add...

You have to compile the bc as described and add the libs-line in the controlDict. Afterwards you are able to use the womerley-equation. But be aware of the fact that sinh and cosh are not known in...
Forum: OpenFOAM Running, Solving & CFD April 4, 2011, 11:25
Replies: 28
Views: 12,111
Posted By bephi
Hi! Yes I used the groovyBC...

Hi!
Yes I used the groovyBC (http://openfoamwiki.net/index.php/Contrib_groovyBC) from Bernhard! Works quite well!
Greets!
Philipp
Forum: OpenFOAM Running, Solving & CFD January 5, 2011, 07:53
Replies: 28
Views: 12,111
Posted By bephi
Pulsatile Womersley velocity profile

Hello everybody,
as the topic says I would like to set up a pulsatile womersley velocity profile for my inlet BC!
of course first of all I searched and read a lot about possibilities but I just...
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