
From:  Tetsuo Koyama 
Subject:  Re: Coupling equations 
Date:  Wed, 11 May 2022 23:23:59 +0900 
Hy Tetsu
Thank you for your time.
I saw the link and it's far from what i have, my problem is kind of :
Laplace(A) + B =0
Laplace(B) + A =0
I suggest :
#Equation 1 :
Add_non_lineair_term( " Weak form of ( Laplace(A) ) )")
Add_lineair_term( " Weak form of B )")
#Equation 2 :
Add_non_lineair_term( " Weak form of ( Laplace(B) ) )")
Add_lineair_term( " Weak form of A )")
I disscused this with mr. Renard and he is ok with it. What do you think you
Best LahoussaineCordialementLahoussaine BOURRICHE
3A, ENSEEIHT , Physique numérique
+33 6 20 76 17 12De: "Tetsuo Koyama" <tkoyama010@gmail.com>
À: "Lahoussaine Bourriche" <lahoussaine.bourriche@etu.toulouseinp.fr>
Cc: "getfemusers" <getfemusers@nongnu.org>
Envoyé: Mercredi 11 Mai 2022 15:58:06
Objet: Coupling equationsDear Bourriche Lahoussaine
> When i have two coupling equation, how getfem knows that I m working on the
> first equation /second equation, in other words
> How getfem will knowz which term to put in which equation
>
> Add_lineair (first equation)
> Add_lineair (second equation)
We have to combine bricks to variables which is define by MeshFem object.
GetFEM builds tangent matrix on each variable.
This tutorial might helps you.
https://getfem.org/tutorial/thermo_coupling.html
Best Tetsuo
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