Hello,
I'm currently trying to optimize the laminate of a cfk part with the free sizing optimization.
At the end of the run it states 'OPTIMIZATION HAS CONVERGED' 'FEASIBLE DESIGN (ALL CONSTRAINTS SATISFIED)' but the programm is just reducing the mass while the displacement constantly gets bigger and is far bigger than the max displacement constraint I set for the optimization.
Iteration Subcase Variable Grid/Elem ID Value
---------------------------------------------------------
0 1 MaxDisp 1350_Y -10.6306
0 0 ObjFun:MinimizeMASS 0 5.14431e-005
0 0 MaxConstrViol(%) 0 0
1 1 MaxDisp 1350_Y -15.9459
1 0 ObjFun:MinimizeMASS 0 3.42954e-005
1 0 MaxConstrViol(%) 0 0
2 1 MaxDisp 1350_Y -31.8917
2 0 ObjFun:MinimizeMASS 0 1.71477e-005
2 0 MaxConstrViol(%) 0 0
3 1 MaxDisp 1350_Y -63.7835
3 0 ObjFun:MinimizeMASS 0 8.57385e-006
3 0 MaxConstrViol(%) 0 0
4 1 MaxDisp 1350_Y -97.4669
4 0 ObjFun:MinimizeMASS 0 5.61036e-006
4 0 MaxConstrViol(%) 0 0
5 1 MaxDisp 1344_Y -101.241
5 0 ObjFun:MinimizeMASS 0 5.49722e-006
5 0 MaxConstrViol(%) 0 0
6 1 MaxDisp 1344_Y -101.581
6 0 ObjFun:MinimizeMASS 0 5.49262e-006
6 0 MaxConstrViol(%) 0 0
7 1 MaxDisp 1344_Y -101.581
7 0 ObjFun:MinimizeMASS 0 5.49262e-006
7 0 MaxConstrViol(%) 0 0
The total displacement constraint is set to -2mm.
Min ply thickness is set to 2mm and max 50mm.