[aspect-devel] building a temperature initial condition

John Naliboff jbnaliboff at ucdavis.edu
Fri Feb 24 13:31:11 PST 2017

Hi Felipe,

deal.II can certainly handle multiple expressions for a given function 
I think some of the particle routines in ASPECT also allow for multiple 

However, if you plan on writing a moderately complicated expression(s) 
perhaps a plugin is more suitable?


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

On 02/24/2017 10:56 AM, FELIPE ORELLANA ROVIROSA wrote:
>  Hi all,
>      I wonder whether it is possible to build up a Temperature 
> function using several variables. I am working on an initial condition 
> for Temperature (Function expression)
>      I am trying to implement something like this
>      u = u(x,y,z...)
>      T = f1(u) + f2(u) + f3(u) + ...
>      In this case, the predefinition of u allows me to save writing. 
> Otherwise I would need to write the 'long' expression of u on the 
> Function expression for T several times..
>     somehow, can the Function expression, or that part of the code, 
> have more than one function, and do composition of functions ?
> Is this possible?
> Felipe
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