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Buckling of doubly-symmetric cantilevers with slender webs
AbstractA line finite element method of analysis is described which can predict elastic distortional buckling, and a procedure for modifying this method for lateral buckling and for loading away from the shear centre is given. The convergence and accuracy of the finite element method are demonstrated. Elastic buckling solutions are produced for cantilevers with a concentrated load at their free ends, and mode shapes are generated. It is shown that elastic distortion of the web is significant for a large range of cantilever geometries. The application of the elastic solutions to calculating the strengths of cantilevers is discussed, for which the reduction in strength due to distortion is not as large.
Buckling of doubly-symmetric cantilevers with slender webs
AbstractA line finite element method of analysis is described which can predict elastic distortional buckling, and a procedure for modifying this method for lateral buckling and for loading away from the shear centre is given. The convergence and accuracy of the finite element method are demonstrated. Elastic buckling solutions are produced for cantilevers with a concentrated load at their free ends, and mode shapes are generated. It is shown that elastic distortion of the web is significant for a large range of cantilever geometries. The application of the elastic solutions to calculating the strengths of cantilevers is discussed, for which the reduction in strength due to distortion is not as large.
Buckling of doubly-symmetric cantilevers with slender webs
Bradford, M.A. (author)
Engineering Structures ; 14 ; 327-334
1992-01-01
8 pages
Article (Journal)
Electronic Resource
English
buckling , cantilevers , distortion , elasticity , finite elements , webs , yielding
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