# Periodic Zone and Dynamic Mesh

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August 20, 2013, 03:01
Periodic Zone and Dynamic Mesh
#1
Senior Member

Paritosh Vasava
Join Date: Oct 2012
Location: Lappeenranta, Finland
Posts: 725
Rep Power: 16
I am trying to simulate a periodic zone including dynamic mesh.

There is a sphere moving through a cube. The motion of sphere should be periodic so when one sphere leaves from right face another sphere must enter from the left face. I have declared the left and right walls as periodic. But as the sphere reaches right wall I receive 'negative volume' error.

What do you think is missing?
Attached Images
 mesh.jpg (40.3 KB, 13 views) scheme.png (12.5 KB, 13 views)

Last edited by vasava; August 20, 2013 at 04:14.

 August 21, 2013, 07:12 #2 Senior Member   Paritosh Vasava Join Date: Oct 2012 Location: Lappeenranta, Finland Posts: 725 Rep Power: 16 I managed to solve the problem with the mixing plane approach. But it would be nice to see comments with people who have had or solved such problems.

 September 5, 2014, 17:49 #3 New Member   Pennsylvania Join Date: Sep 2014 Posts: 1 Rep Power: 0 Dear vasava, can you explain more how you managed to solve the problem? have you used periodic boundary condition? I would really really appreciate it if you could explain more about your solution. thanks

 September 6, 2014, 11:04 #4 Senior Member     Daniele Join Date: Oct 2010 Location: Italy Posts: 1,001 Rep Power: 19 I'm also interested in the solution. I had a similar problem of a water pool where some boxes enter/exit and reenter, but I didn't found a solution.

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