[aspect-devel] Morency-Dorin with free surface

John Naliboff jbnaliboff at ucdavis.edu
Fri Oct 21 12:35:37 PDT 2016

Hi Payman,

The Morency-Dorin material model should not have intrinsic problem with 
handling a free surface.  The issue is likely related to some other 
aspect of your model design.  What type of processes are you modeling?


John Naliboff
Assistant Project Scientist, CIG
Earth & Planetary Sciences Dept., UC Davis

On 10/21/2016 12:17 PM, Payman Janbakhsh wrote:
> Hi
> Does Morency-Dorin material model have difficulty with free surface?
> My models get stuck at solving Stokes system even at step zero when I 
> switch top boundary to free surface.
> I have set CFL to 0.1 and theta to 0.7 even chanh3d max time step to 
> 1000 but still same issue. I have all other boundaries set to no slip 
> boundaries
> Thanks
> Payman
> Sent from my Samsung Galaxy smartphone.
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