Stability analysis of single-layer special-shaped folded-plane latticed shell

Single-layer special-shaped folded-plane latticed shell had been applied in Shenyang culture and art center. In order to analysis its static stability, explore the form of buckling modes find out critical load factor, this paper optimized structure with MIDAS Gen. Eigenvalue nonlinear showed that in-plane stiffness is very large, out-plane small, upside prone instability. The factor for 10.32, structural overall stability fine according code. This structures sensitive initial geometric imperfections which could lower system.