Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Nonlinear dynamic analysis of steel portal frames with semi-rigid connections
AbstractThis paper presents a semi-rigid low-rise portal frame nonlinear dynamic analysis. The main objective of this investigation was to propose a modelling strategy to represent the dynamical behaviour of semi-rigid joints under dynamic actions implemented on the ANSYS finite element software. The developed finite element model included the geometrical non-linearity and considered the influence of a non-linear and hysteretic connection stiffness. The updated Lagrangean formulation was used to model the geometrical non-linearity. The results of the present investigation also indicated that when semi-rigid joints geometrical non-linearity effects are considered in the steel frames dynamical response some significant discrepancies in the frame dynamical behaviour could occur.
Nonlinear dynamic analysis of steel portal frames with semi-rigid connections
AbstractThis paper presents a semi-rigid low-rise portal frame nonlinear dynamic analysis. The main objective of this investigation was to propose a modelling strategy to represent the dynamical behaviour of semi-rigid joints under dynamic actions implemented on the ANSYS finite element software. The developed finite element model included the geometrical non-linearity and considered the influence of a non-linear and hysteretic connection stiffness. The updated Lagrangean formulation was used to model the geometrical non-linearity. The results of the present investigation also indicated that when semi-rigid joints geometrical non-linearity effects are considered in the steel frames dynamical response some significant discrepancies in the frame dynamical behaviour could occur.
Nonlinear dynamic analysis of steel portal frames with semi-rigid connections
da Silva, J.G.S. (Autor:in) / de Lima, L.R.O. (Autor:in) / da S. Vellasco, P.C.G. (Autor:in) / de Andrade, S.A.L. (Autor:in) / de Castro, R.A. (Autor:in)
Engineering Structures ; 30 ; 2566-2579
20.02.2008
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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