Imperfection sensitivity of coincident buckling systems

Koiter, 1945, On the Stability of Elastic Equilibrium Roorda, 1965, The buckling behaviour of imperfect structural systems, J. Mech. Phys. Solids, 13, 267, 10.1016/0022-5096(65)90031-1 Chilver, 1967, Coupled modes of elastic buckling, J. Mech. Phys. Solids, 15, 15, 10.1016/0022-5096(67)90003-8 Johns, 1972, Simultaneous buckling in symmetric structural systems, J. Eng. Mech. Div., ASCE, 98, 835, 10.1061/JMCEA3.0001641 Johns, 1971, Multiple path generation at coincident branching points, Int. J. Mech. Sci., 13, 899, 10.1016/0020-7403(71)90076-2 Thompson, 1972, On the optimum design of thin-walled compression members, J. Mech. Phys. Solids, 20, 101, 10.1016/0022-5096(72)90034-8 Ho, 1972, The influence of imperfections on systems with coincident buckling loads, Int. J. Non-Linear Mech., 7, 311, 10.1016/0020-7462(72)90053-4 Thompson, 1969, A general theory for the equilibrium and stability of discrete conservative systems, Z. angew. Math. Physik, 20, 797, 10.1007/BF01592294 Thompson, 1971, A theory for the numerical analysis of compound branchings, Z. angew. Math. Physik, 22, 1001, 10.1007/BF01590869 Johns, 1969, Elastic Buckling Behaviour at Coincident Branching Points Hutchinson, 1970, Post-buckling theory, Appl. Mech. Rev., 23, 1353