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

Ying He yinghe at math.ucdavis.edu
Sat Feb 4 12:56:48 PST 2017

Hi John,

On 2017-02-04 12:00, aspect-devel-request at geodynamics.org wrote:
> Message: 2
> Date: Sat, 4 Feb 2017 09:10:18 -0800
> From: John Naliboff <jbnaliboff at ucdavis.edu>
> To: aspect-devel at geodynamics.org
> Cc: Puckett Elbridge Gerry <egpuckett at ucdavis.edu>
> Subject: Re: [aspect-devel] Is the correct Boussinesq approximation
> 	now the default in ASPECT?
> Message-ID: <CC3899F8-288E-4298-8567-F3368BDD59E0 at ucdavis.edu>
> Content-Type: text/plain; charset="utf-8"
> Hi all,
> Gerry - Clarification question. Your group was was using a modified
> form of the equations (relating to density approximation) at some
> point, yes?
No, we didn't modify the density approximation for the old runs. It 
means we were using real density for the temperature equation the same 
as the default density approximation...
> Did the set of runs from the summer use that custom approximation or
> was it using ASPECT’s default density approximation? Is it possible
> the new runs are using ASPECT’s default, while the old ones use your
> modified equations?
> If both sets of models simply used ASPECT’s default for the given
> material model, from Timo’s email below the approximations should be
> the same.
We didn't specify the density approximation in the recent new runs, so 
it should be the default setting. So yes, I guess the old runs and the 
new runs used the same equations according to Timo's email...
> Cheers,
> John
> *************************************************
> John Naliboff
> Assistant Project Scientist, CIG
> Earth & Planetary Sciences Dept., UC Davis


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