[aspect-devel] melt in the visco plastic model

John Naliboff jbnaliboff at ucdavis.edu
Wed Nov 23 10:15:01 PST 2016

Hi Mohamed,

With some work it is certainly possible to combine the functionality of 
the visco plastic material model and 'melting' components of the code.

However, do note that the visco plastic model is incompressible and the 
melting material models are inherently compressible.  My suggestion is 
to use the 'melt simple' material model as a starting point and then add 
in the features in 'visco plastic'.

However, this seems like a good time to release a general cautionary 
note about moving to quickly on this front.  I am still in the process 
of doing sensitivity tests with the provided extension models and adding 
in melting is likely going to require a huge amount of additional 
testing to obtain robust convergence behavior and results.

I certainly encourage you to move forward with the idea, but just keep 
in mind that this is not a trivial numerical exercise in any way, shape 
or form.


John Naliboff
Assistant Project Scientist, CIG
Earth & Planetary Sciences Dept., UC Davis

On 11/23/2016 08:19 AM, Mohamed Gouiza wrote:
> Hi All,
> Is there a way to combine the visco plastic material model with the 
> melt simple material model?
> I want to set up a model that simulate lithospheric extension and 
> induce melt generation and transport at various stages of the extension.
> Thank you
> -------------------------------------------------
> Mohamed Gouiza, Research Fellow
> Basin Structure Group, Institute of Applied Geosciences
> University of Leeds, School of Earth and Environment
> Leeds,  LS2 9JT, UK
> M.Gouiza at leeds.ac.uk <mailto:M.Gouiza at leeds.ac.uk>
> +44 7985 782073
> -------------------------------------------------
> _______________________________________________
> Aspect-devel mailing list
> Aspect-devel at geodynamics.org
> http://lists.geodynamics.org/cgi-bin/mailman/listinfo/aspect-devel

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