Thank you a lot ! It was very usefull to read that documentation part. Apart from that, on anower forum they answered me to try change coupling type from "Distributing" to "Kinematic", and it helped
But I haven't realized why the first one remains different, i still thinking about it:
Hello everyone !
I try to calculate buckle procedure for 2-girder model with intermediate stringers. As a result i obtained the negative eigenvalue (-3.8).
For taking into account the connection rotational stiffness between stringer and girder i used the "join" connector + spring elemts with...
