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ABAQUS-buckling of thin cylindrical shell

hi,

      I want to do buckling analysis of cylindrical shell in abaqus.In the abaqus documentation,it is written that along with simply supported condition  one has to fix a node to prevent rigid body motion.How can i prevent the rigid body motion?

binoddhakal's picture

 Rigid body motion consists of 3 translations (3 DOF) and  3 rotations (3DOF) about global axes. You need to prevent these motion of the cylinder about these 6DOF such that the cylinder can deform in any form.

 

Binod

You can select a single node at the one end of the shell and constrain it to be hinged, while all other nodes at the same end will be supported by rollers.

Regards,

George Papazafeiropoulos
First Lieutenant, Infrastructure Engineer, Hellenic Air Force
Civil Engineer, M.Sc., Ph.D. candidate, NTUA
Email: gpapazafeiropoulos@yahoo.gr
Website: http://users.ntua.gr/gpapazaf/

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