Boundary conditions for buckling of column

AI Thread Summary
In the discussion on boundary conditions for buckling of columns, participants clarify the constraints for fixed-fixed and simply supported cases. For fixed-fixed conditions, both x and y displacements must be restrained, while for simply supported conditions, only y displacement is restrained. A key point of confusion arises regarding the application of loads to a fixed-fixed column while maintaining fixed ends. One participant suggests that only one end should be fixed in both x and y, allowing the other end to move and facilitate buckling. The conversation emphasizes the importance of correctly interpreting the boundary conditions when analyzing column behavior under load.
karthickaero1
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For fixed-fixed BC's, i have to arrest x and y displ. For simply supported case, i have to arrest y displ. Then my doubt is, while applying force at the end of the column, how the displacement will happen for fixed-fixed column.
 
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You want to fix both ends and then apply loads to them?
 
yeah...that's my doubt...
 
I don't see how you want to call the ends fixed and apply loads to them simulateously. Are you sure that is what is being asked of you?
 
Travis_King said:
I don't see how you want to call the ends fixed and apply loads to them simulateously. Are you sure that is what is being asked of you?

I read it as one end being fixed in both x and y, and the other only in y, thus free to move so as to allow buckling, like http://upload.wikimedia.org/wikipedia/commons/5/54/Buckled_column.png" Is that the problem you're describing, karthickaero1?
 
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