The shell elements in NIDA can be used to trace the large deflection behavior of shell structures, especially the snap-through and snap-back buckling.
Figure1 Local buckling of top flange of a box section under moment
Hinged Cylindrical Shell
Figure2 Layout and properties
Figure3 Finite element model (1/4 of Original Shell)
Load-deflection Curve of Hinged Cylindrical Shell (T=12.7mm)
Load-deflection Curve of Hinged Cylindrical Shell (T=6.35mm)