Coupling equations

[Tetsuo Koyama]

Dear 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