Overset Remeshing

JohnAB · March 16, 2015, 17:39

Hello,

I am running a very simple moving mesh simulation with one overset and one background.
When I want to refine the mesh during the simulation, I can refine the background pretty easily (turn the overset region continuum to none, remesh, and turn it back to overset) without refining the overset.

However, I have trouble refining the overset region without it moving back to its original position, or without having the software telling me "enabling dfbi during a time-step is unsupported" when I manually change the starting position of the overset part to the current location, so that the remesh does not send it back to original location.

Did anyone succeed in remeshing the overset in the middle of a simulation ?

Thanks!

chooper11 · August 13, 2015, 00:24

If you record the position of the mesh, you can rotate/translate it back to it's position in the simulation I think. 10.04.009 seems to allow restarting of DBFI.

JohnAB · August 13, 2015, 13:03

The problem is that for some simulations I cannot record the current position (for more complex simulations that the one I originally described), but the idea is right and that is exactly what I do when I can do it. It is a bit annoying but at least it seems to work so far!

I still have to use that trick with 10.04.009 though

March 16, 2015, 17:39	Overset Remeshing	#1
JohnAB Member Join Date: Nov 2012 Posts: 74 Rep Power: 14	Hello, I am running a very simple moving mesh simulation with one overset and one background. When I want to refine the mesh during the simulation, I can refine the background pretty easily (turn the overset region continuum to none, remesh, and turn it back to overset) without refining the overset. However, I have trouble refining the overset region without it moving back to its original position, or without having the software telling me "enabling dfbi during a time-step is unsupported" when I manually change the starting position of the overset part to the current location, so that the remesh does not send it back to original location. Did anyone succeed in remeshing the overset in the middle of a simulation ? Thanks!

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August 13, 2015, 00:24		#2
chooper11 New Member Join Date: Aug 2015 Posts: 2 Rep Power: 0	If you record the position of the mesh, you can rotate/translate it back to it's position in the simulation I think. 10.04.009 seems to allow restarting of DBFI.

August 13, 2015, 13:03		#3
JohnAB Member Join Date: Nov 2012 Posts: 74 Rep Power: 14	The problem is that for some simulations I cannot record the current position (for more complex simulations that the one I originally described), but the idea is right and that is exactly what I do when I can do it. It is a bit annoying but at least it seems to work so far! I still have to use that trick with 10.04.009 though