>> +        //TODO not strictly correct if thermal expansivities are different, since we are interpreting
>
> I suppose I have no imminent plans to change this. I don't think it is likely
> to make a big difference.

Then just remove the TODO.


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