Table 15 Comparison of the estimated elastic-plastic buckling loads for the 51 mm-thick sphere under external pressure

COQMULT

QUA8

${\mathit{P}}_{\mathit{\text{etan}}}^{\mathit{\text{plast}}}$

${\mathit{P}}_{\mathit{\text{incr}}}^{\mathit{\text{max}}}$

${\mathit{P}}_{\mathit{\text{etan}}}^{\mathit{\text{plas}}}$

${\mathit{P}}_{\mathit{\text{flow}}}^{\mathit{\text{plas}}}$

${\mathit{P}}_{\mathit{\text{incr}}}^{\mathit{\text{max}}}$

MPa

MPa

MPA

MPa

MPa