[CIG-LONG] CIG-LONG Digest, Vol 42, Issue 6
Walter Landry
walter at geodynamics.org
Wed May 5 15:34:47 PDT 2010
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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