Thick plate buckling analysis is not performed

[MykolasM]

Hy folks, i've just tried to perform thick steel plate buckling analysis, during calculations a masage appiears " no elements under compression! <...>,  nethertheless structure is loaded.  Could anyone explane me, why is it so, please?  

[Artur.Kosakowski]

What kind of buckling deformation would you expect for such axisymmetric structure?

[MykolasM]

well.  plate should stumble out of plane, which stiffnes is smaller (out of ZX)

[Artur.Kosakowski · Accepted solution]

Then define it as a shell model instead

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[MykolasM]

thanks artur for replying, this is exactly what i wanted to know