[Tochnog-users] Static

[U-E59264-Osman F B. <ab...@c1...>]

Olivier Bounhoure writes:
 > Hello all,
 > I want to do a simple static test with the input file below and I see 
 > something a bit strange : if I uncoment the "-vely -velz" statements that I 
 > put there only for isostatic purpose, the solution vary in y and z. I don't 
 > understand why.
 > Does anybody have an idea ?

Well, I think static structures must be constrained so no rigid
movement occurs. If it is not constrained, then it takes very small
forces (numerical errors) to make it move. You can constrain it and
then check the reaction forces. They should be very small.

Osman