[CIG-LONG] CIG-LONG Digest, Vol 42, Issue 6

[Walter Landry]

Karen Paczkowski <karen.paczkowski at yale.edu> wrote:
> That's great news.  I have mainly been having issues getting the  
> people who run the clusters to install PETSc.  I'm not positive I will  
> need the restart option yet.  I think I will wait until the executable  
> is released to decide.  It all depends on whether the initial thermal  
> field affects the final results.
> 
> I had two more specific question on specifying the density and the  
> hydrostatic pressure term in my model.  I have specified the velocity  
> field of a subduction zone by drawing a horizontal box on the left  
> side of the model box with a constant horizontal velocity connected to  
> a slanted rectangular shape with a constant diagonally down going  
> velocity.  I have specified an initial thermal field using the  
> TemperatureProfile function.
> 
> I would like the density to be dependent on temperature and I would  
> like to specify a hydrostatic restoring force to make sure that all of  
> my mass does not just follow my slab and get lost out of the bottom of  
> my simulation.  Do you have any suggestions on how I can specify these  
> two things?

For the new code, there is an example of subduction in
input/example/subduction.xml.  That has a stress boundary to keep
everything from falling down.  The temperature dependent viscosity is
implemented, but not turned on.  I am attaching a picture of the
velocity and strain rate invariant.

Cheers,
Walter Landry
walter at geodynamics.org
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