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Forum: OpenFOAM Running, Solving & CFD

May 14, 2015, 09:47

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

Hi Michael, Thanks for your help! I...

Hi Michael,

Thanks for your help!

I tried this and found that the interface velocity has a smaller magnitude than before. But I would still get a nonsmooth interface shape after some time.
...

Forum: OpenFOAM Running, Solving & CFD

May 13, 2015, 09:51

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

Hi Mihai, Thanks for your link! The two...

Hi Mihai,
Thanks for your link!
The two references they cited showed very good results of volume conservation. I may need to do some work to implement that. Thanks!

-P

Forum: OpenFOAM Running, Solving & CFD

May 13, 2015, 09:48

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

Hi Yogesh, Thanks for your reply! I did...

Hi Yogesh,

Thanks for your reply!

I did some search and found that this is has been a problem in many simulations... Looks like I need some special treatment for the interface.

Best,
-P

Forum: OpenFOAM Running, Solving & CFD

May 13, 2015, 09:42

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

Hi Michael, Thanks for your reply! I...

Hi Michael,

Thanks for your reply!

I will try Weller's new method, it looks promising. I would also like to try your ways of using the linear schemes. I think most of the schemes I am using now...

Forum: OpenFOAM Running, Solving & CFD

May 7, 2015, 19:21

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

Just want to mention that the volume change is...

Just want to mention that the volume change is not really large, but my calculations require much higher accuracy.

Forum: OpenFOAM Running, Solving & CFD

May 7, 2015, 09:59

Replies: 9

volume conservation and accurate interface shape

Views: 1,348

Posted By Prosper

volume conservation and accurate interface shape

Hi All,

I am trying to solve a multiphase problem in which a spherical (3D) drop deforms in a surrounding fluid under certain body&interface forces. I am using interDyMFoam to solve this problem....

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