[aspect-devel] Is the correct Boussinesq approximation now the default in ASPECT?

[Max Rudolph]

Gerry,
There is a pull request here containing a jupyter notebook that calculates
and compares critical rayleigh number using ASPECT and compares it with the
analytic solution from Turcotte and Schubert.

https://github.com/geodynamics/aspect/pull/1360

You can also verify which approximation is being used:

$ grep Formulation output/parameters.prm
subsection Formulation
  set Formulation          = boussinesq approximation # default: custom

Hope this helps.

Max

On Fri, Feb 3, 2017 at 3:53 PM, Elbridge Gerry Puckett <
egpuckett at ucdavis.edu> wrote:

> Hi,
>
> Timo, Wolfgang Juliane, Rene, Max Rudolf and CIG researchers know what I
> am referring to.
>
> My understanding is that Timo and Juliane have fixed the problem with the
> original - incorrect - Boussinesq approximation.
>
> How does one make certain that we are approximating solutions of the
> correct incompressible Mantle Convection Equations when running the current
> ASPECT master branch.
>
> Also John Naliboff suggested that I also ask if the defaults are still no
> internal heating, adiabatic heating, etc. etc. In other words, the only
> source of heat is the boundary conditions on the top and bottom walls (in
> 2D) assuming no heat flux BCs on the side walls.
>
> The genesis of this particular post is that we are getting startling
> different results with the same parameter file and presumably, the same
> code for a problem we're currently working on.
>
> Thanks!
>
> - Gerry
> --
>
> _______________________________________________
> Aspect-devel mailing list
> Aspect-devel at geodynamics.org
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>
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