Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Buckling and geometrically nonlinear analysis of frames using one element/member
Abstract The commonly used Hermite cubic element represents the solution for the linear differential equilibrium equation of a straight beam under the Bernoulli hypothesis. However, this element grossly over-estimates the buckling load of a strut when only a single element is used to model a member. This paper presents a simple higher-order element capable of predicting the buckling load of a strut with various boundary conditions by using only a single element for each member. It is found that a direct introduction of a displacement degree of freedom to the mid-length of the cubic element will improve significantly its performance in a nonlinear analysis. The computational efficiency and formulation of this new element are very similar to those for the cubic element in spite of their discrepancies in accuracy.
Buckling and geometrically nonlinear analysis of frames using one element/member
Abstract The commonly used Hermite cubic element represents the solution for the linear differential equilibrium equation of a straight beam under the Bernoulli hypothesis. However, this element grossly over-estimates the buckling load of a strut when only a single element is used to model a member. This paper presents a simple higher-order element capable of predicting the buckling load of a strut with various boundary conditions by using only a single element for each member. It is found that a direct introduction of a displacement degree of freedom to the mid-length of the cubic element will improve significantly its performance in a nonlinear analysis. The computational efficiency and formulation of this new element are very similar to those for the cubic element in spite of their discrepancies in accuracy.
Buckling and geometrically nonlinear analysis of frames using one element/member
Andrew Kwok Wai So (Autor:in) / Siu Lai Chan (Autor:in)
Journal of Constructional Steel Research ; 20 ; 271-289
07.10.1991
19 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Discussion: Buckling and Geometrically Nonlinear Analysis of Frames Using One Element-Member
| Online Contents | 1994
| British Library Conference Proceedings | 2003
ASKA UM 225 : geometrically nonlinear finite element behavior using buckling mode superposition
| UB Braunschweig | 1978