[CIG-LONG] Extension - Compressible Layer in Gale

[Aaron Tyler]

Thanks Walter, I think I'll stick to using an average for now. I'll run the
model with a couple of different values in order to determine how great of a
control changing that hydrostatic term is going to have on the results,
hopefully not too too much.

I imagine if we modified the term to handle multiple layers I would run into
the issue of having the defined height for each layer/boundary becoming
incorrect as extension/compression proceeds?

Cheers,
Aaron Tyler
University of Sydney

On Wed, Jul 7, 2010 at 3:44 AM, Walter Landry <walter at geodynamics.org>wrote:

> "atyl0789 at uni.sydney.edu.au" <atyl0789 at uni.sydney.edu.au> wrote:
> > In my extension model I would like to divide my brittle crust into a
> > number of different layers and assign each a different density in
> > order to have an increasing density profile with depth. What would
> > be the best approach for getting an accurate result with the
> > hydrostatic term in such a case? Would I be best off just taking an
> > average of all the density values for the upper crust?
>
> Yes, an average would probably be best, especially if the densities do
> not change too much.  If it becomes a problem, you can modify
> HydrostaticTerm to handle multiple layers.
>
> Cheers,
> Walter Landry
> walter at geodynamics.org
>
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