[aspect-devel] Evenly spaced vectors, dynamic pressure

[Scott King]

I’ve never seen the term diabatic used in solid earth, neither have my colleagues who work in high pressure thermodynamics.  (I asked around for fun.)   I think introducing it in the documentation would cause confusion.  I suspect the reason it isn’t used is that the adiabatic profile is (most often) taken to be a reference state and describing departures from the adiabatic reference state as non-adiabatic, while it linguistically might be a double-negative, is a better description of the process (i.e., non-adiabatic = that part of the field that is not adiabatic).   A lot of meteorology also uses this terminology for much the same reason.     

My $0.02

> On Sep 10, 2018, at 4:21 PM, Wolfgang Bangerth <bangerth at colostate.edu> wrote:
> 
> On 09/09/2018 10:04 AM, Mark Brandon wrote:
>> I am a reader of this exchange (and learning a lot in the process). I have one small comment:
>> diabatic means with loss of heat, adiabatic means no loss of heat. As a result, nonadiabatic is a double negative.
>> Maybe that is why it typically shown in quotes in this discussion.
> 
> Not being much of a thermodynamicist, would it be worth adding the word "diabatic" to the documentation of that postprocessor? Would that help readers?
> 
> I have to admit that I never thought about this word. I can't say I've ever come across the term "diabatic" -- it seems like it is not often used, and Wikipedia only lists it in the context of the some quantum mechanics things.
> 
> (A different thought is that we do not want to output the "diabatic" part, however one would define it, but specifically that part that does not results from the adiabatic profile. As such, non-adiabatic is different from diabatic.)
> 
> Cheers
> W.
> 
> -- 
> ------------------------------------------------------------------------
> Wolfgang Bangerth          email:                 bangerth at colostate.edu
>                           www: http://www.math.colostate.edu/~bangerth/
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