Hi:
    I have a PDE system that has a dissipation term which involves time 
derivatives of all of the variables involves, for example, if q1/q2/q3 
are my variables and q1t/q2t/q3t are their partial derivatives in time, 
each PDE has a term:

q1*q1t+q2*q2t+q3*q3t

Is there existing functionality to get access to these time derivatives 
using FEMSystem/AdaptiveTimeSolver similar to the interior_value 
function? Else would something have to be implemented in one of the 
instantiations of AdaptiveTimeSolver?

-- 
Nasser Mohieddin Abukhdeir
Graduate Student (Materials Modeling Research Group)
McGill University - Department of Chemical Engineering
http://webpages.mcgill.ca/students/nabukh/web/
http://mmrg.chemeng.mcgill.ca/


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