[CIG-LONG] Free Surface Corner Flow Subduction Model

[Karen Paczkowski]

>
> Hi Walter,
>
> I accidently sent this email out with the wrong subject, so I wasn't  
> sure if it got read properly.  I figured I'd send it again just in  
> case.


> I tried adding a slab velocity into the program you sent me and have  
> been having issues.  I have attached an xml file with the simplest  
> case I tried.  It is just the hydrostatically balanced box you sent  
> me, but instead of vx = vy = 0 on the left hand side, it has vx=0  
> and vy = -1.  I expected the down going velocity on the left side  
> would cause mass to be pulled into the simulation box on the right  
> hand side (like in a cornerflow problem), but instead I just get a  
> velocity field that is straight down everywhere.  I feel like it may  
> be creating mass at the top boundary, but I'm not sure.  If I set  
> vy=0 on the top of the box I get the results I expect, but I would  
> prefer to not do that since I would like to track the finite  
> deformation of the top interface.
>
> Do you know how I can fix this?
>
> Thanks,
> Karen
>
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