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Table 7 The calculated linear external buckling pressure for the 3 cone angles and the 3 thicknesses

From: Modeling elastic-plastic buckling of sandwich axisymmetric shells: on the limits of "shell" models and analytical solutions

Angle Overall thickness COQMULT Mode QUA8 Mode
° mm (MPa)   (MPa)  
30 3 0.0052 9 0.0052 9
30 11 0.139 6 0.139 6
30 51 7.34 4 7.28 4
45 3 0.00709 9 0.00708 8
45 11 0.187 6 0.187 6
45 51 9.21 4 9.06 5
60 3 0.00677 8 0.00678 8
60 11 0.107 6 0.108 6
60 51 7.83 4 8.08 4