Torsional and longitudinal vibration of suspension bridge subject to aerodynamic forces

Mathematical Problems in Engineering, Sep 2018

In this paper we consider a dynamic model of suspension bridge governed by a pair of coupled partial differential equations which describe both torsional and longitudinal vibration of the road bed. The vertical and torsional motions are coupled through a nonlinear operation with the nonlinearity arising from loss of tension in the vertical cables supporting the decks. We study the impact of wind forces on the stability of motion of this system both in the absence and presence of viscous and structural damping. The results are illustrated by numerical simulation.

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Torsional and longitudinal vibration of suspension bridge subject to aerodynamic forces

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N. U. Ahmed, H. Harbi. Torsional and longitudinal vibration of suspension bridge subject to aerodynamic forces, Mathematical Problems in Engineering, DOI: 10.1155/S1024123X98000891