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Dynamic behavior of flexible rectangular fluid containers
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DOI：10.1016/j.tws.2013.02.001.png)
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Abstract
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An analytical method is proposed to determine the dynamic response of 3-D rectangular fluid containers with four flexible walls, subjected to seismic ground motion. By applying Rayleigh-Ritz method using the vibration modes of flexible plates, fluid-structure interaction effects on the dynamic responses of fluid containers are considered. A mechanical model, which takes into account the deformability of the tank wall, is developed. The maximum seismic loading of the base at the tank and a section immediately above it can be predicted by this model. Accordingly, a 2-D simplified model is proposed to evaluate pressure distribution on the flexible tank wall. (C) 2013 Elsevier Ltd. All rights reserved.
Keywords:
Rectangular tank
Fluid-structure interaction
Flexible plate
Rayleigh-Ritz
Seismic design
Pressure distribution curve
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