[CIG-LONG] Isostasy in GALE
Walter Landry
walter at geodynamics.org
Tue Mar 6 13:47:22 PST 2012
Robert Gray <graywacke at gmail.com> wrote:
> Hey Walter,
> When we apply the stressBC to model the isostatic response of a thickened
> crust what is supporting the crustal root? Is there an elastic beam
> implementation in GALE that supports the thickened crust?
There is no contribution from an elastic beam term. It is just an
isostatic response, like oil on top of water.
> Is it possible to strengthen what it is that is providing support?
You can change the density of the underlying medium. For example, in
input/cookbook/deforming_bottom.json
the restoring force is
0.35-y
That implies that the density of the underlying medium is 1. Changing
the restoring force to
0.35-y*10
implies that the density of the underlying medium is 10. So the
bottom deforms less.
Cheers,
Walter Landry
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