[CIG-MC] varying thermal expansivity and diffusivity

[Wolfgang Bangerth]

> I am trying to vary thermal expansivity and diffusivity linearly between the
> CMB and the surface. Any idea on how to implement this?

If you told us which code you're working with, it may be easier to find the 
person who can answer the question :-)

Best
  W.


-- 
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Wolfgang Bangerth               email:            bangerth at math.tamu.edu
                                 www: http://www.math.tamu.edu/~bangerth/