A Model of Flexible Sliding Joint in Beam Structure

H. Marjamki and J. Mkinen (Finland)


Finite element method, sliding joint, beam, nonlinear dynamics


In this paper, we shall present one idea of the modelling of a beam element with a flexible sliding joint. The proposed element is composed of a 12-dof beam element and a 12-dof spring element. The spring element is coupled to the beam neutral line with the aid of a master slave technique. This technique yields system equations without algebraic constraints. In our model the sliding path is C1 -continuous between the element boundaries. The modelling is based on total Lagrangian finite element method. An example is presented in order to demonstrate the performance of the element.

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