Skip to main content

Table 12 The calculated relative internal buckling pressure for the 45° cone

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

Overall β COQMULT r cone-pint QUA8 Ratio
thickness   P cr P COQMULT E = 200000   P cr P QUA 8 E = 200000 QUA8/
(mm)      COQMULT
3 0.0001 0.813 0.801 0.25 0.31
3 0.001 0.813 0.801 0.49 0.60
3 0.01 0.815 0.803 0.77 0.95
3 0.1 0.833 0.823 0.83 1.00
3 1.0 1. 1. 1.0 1.00
11 0.0001 0.306 0.287 0.021 0.07
11 0.001 0.306 0.287 0.079 0.26
11 0.01 0.314 0.295 0.273 0.87
11 0.1 0.382 0.365 0.378 0.99
11 1.0 1. 1. 1.0 1.0
51 0.0001 0.078 0.067 0.0015 0.02
51 0.001 0.079 0.068 0.0067 0.08
51 0.01 0.089 0.077 0.0407 0.45
51 0.1 0.174 0.165 0.17 0.97
51 1.0 1. 1. 1.0 0.99