Framework Stability by Finite Element Method

by Dimitrios E. Beskos, (A.M.ASCE),


Serial Information: Journal of the Structural Division, 1977, Vol. 103, Issue 11, Pg. 2273-2276


Document Type: Journal Paper

Abstract: In this note the error in the computation of the elastic critical load of columns and rigid-jointed plane frameworks by the finite element method, as developed in general by Gallagher and Padlog and applied to frameworks by Hartz is determined. This error is computed on the basis of a comparison of the finite element method with the exact stability stiffness matrix method as described.

Subject Headings: Finite element method | Rigid frames | Computing in civil engineering | Elastic analysis | Critical loads | Columns | Comparative studies | Stiffening

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