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Could anybody help me with interpreting the results in Eig.value problem

Could anybody help me with interpreting the results in Eig.value problem

Could anybody help me with interpreting the results in Eig.value problem

(OP)
Hi all

for the model you see , I have done both an eigenvalue and a rix analysis for bukling , while you see that in the first analysis , the parts of the liner that are between two wave peaks , have not moved , only the free edges , is the tie an inapropriate for an eigvalue bukling analysis ?

in the rix analysis , I can see there are some Local bucklings , what I doubt is also the type of load , I have put a ref point to apply a concentrated load over all the nodes on the top edge of the shells , is this equall to shel edge load ? I know the unit of the shell edge load is N/m , but just wanted to know do they act the same ?

how do I calculate the critical buckling load from both analysises according to the first load I have given ?



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