This widget allows to activate the coupling of SYRTHES with CFD codes to perform 
conjugate heat transfer calculations.
 So far, the coupling has been developped
 with the EDF CFD codes Code_Saturne (single phase flow)
and Neptune_CFD (two phase flow).
 
Two kinds of coupling can be performed:
-  surface coupling, for  which data like fluid temperature, heat exchange coefficient and solid temperature are exchanged 
-  volume coupling, for which information corresponding to either an  energy source or a sink is transfered. 
This feature is presently under development 
and can be usefull in porous media simulations for example 
 Warning : It is not possible to activate at the same time humidity model 
and CFD coupling.
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 SYRTHES version   : VERSION_SYRTHES
 Name help file  : Ho_Ch_ch.html
 I. Rupp, C. Peniguel  -  may 2014
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