[Getdp] Thin layers

[Matt Koch]

Hi All,

Yes, I too am interested in this.

In fact, one aspect of an earlier (unanswered) request of mine for help 
with thermal transport between disjoined bodies with gas in between ties 
into this. The bodies could interact via radiation, which may be too 
much complication for this thin layer request, but they could also 
interact via accommodation, which would be the case if the bodies were 
very close together or the pressure of the gas were very low. In that 
case, molecular conduction (accommodation) overtakes viscous conduction, 
and only the temperatures and accommodation coefficients of the two 
interface areas matter - the conditions in the layer between the 
interfaces are immaterial. I suspect this is the sort of thing Stephane 
might be after?

I am sorry I cannot help with a direct answer here, I am at my wit's 
end, but I hope to help create enough momentum for folks with more 
intelligence than mine to start looking into this.

Thanks,

Matt Koch

Stephane Hole wrote:
> Dear Christophe,
>
> I am interested in using surfaces instead of volumes for the simulation
> of thin layers as I hope it would reduce drastically the calculation
> times since less volume elements are generated.
>
> I saw in your PhD thesis that a weak formulation (for instance 3.14) can
> be used for this purpose but I don't know how write it in GetDP.
>
> Can you tell me if it is possible to use such formulation, and if yes
> how to write it. 
>
> Thank you,
> Stephane.
>
>
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