Hello,
I created a laminate for my composite-shell. The responses created for this optimization were mass and static displacement1 and static displacement2. Therefore, the dconstraints are disp_1 and disp_2 were created, in order to limit the displacement of specific nodes, selected at the response definition. The Free size and size optimization went satisfactory but the ply stacking optimization won't converge. Looking at the output file, the displacements slightly over the upper bounds defined for the displacement constraints.
What I don understand is, why the calculation won't converge, because the ply-layup optimized in the first two steps, do fulfill the constraints. Do I have to adjust somehow the responses or design constraints, in order to get feasible constraints?
Kind regards for your help
Dean