2002•5th International Symposium on Fluid Structure Interaction, Aeroelasticity, and Flow Induced Vibration and NoiseRequires access
Effect of Gravity on a Free-Free Fluid-Structure System
Jean‐Sébastien Schotté, Roger Ohayon
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Abstract
In this paper, we propose a symmetric variational formulation for the eigenmode computation of a free-free elastic tank partially filled with an incompressible inviscid liquid in presence of a gravity field. The originality of this model is to take into account the strong coupling between the sloshing of the liquid free surface and the hydroelastic deformations of the tank. We will show that this allows the rigid body modes of the system to be predicted correctly.