EVALUATION OF THE APPLICABILITY OF THE LUGRE MODEL FOR MODELLING THE DYNAMIC BEHAVIOUR OF BOLT CONNECTED FRAMES

Abstract eng:
In this paper the dynamics of a frame with bolted connections is studied both theoretically and experimentally. The connections are described using the Lund-Grenoble(LuGre) model. The problem of the dynamic response of the frame to a pulse load is studied using the Galerkin approach that reduces the governing equations to a set of nonlinear ODE’s. They are latter solved numerically. It is shown that the theoretical predictions match the experimental observations well.

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