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Free Vibration Response Analysis Of Buried Cylindrical Storage Tanks | ||
| Journal of Engineering | ||
| Article 1, Volume 16, Issue 4, 2010, Pages 6242-6266 | ||
| Authors | ||
| Hussein Mahmood Ali; Adrian F. Ali | ||
| Abstract | ||
| This study presents a reliable and effective idealization scheme for the free vibration analysis of buried cylindrical storage tanks. The three dimensional problem is transformed into a two dimensional one by using a semi analytical finite element procedure. Conical shell of revolution element is used. to represent the cylindrical wall, top plate, and bottom plate of the tank by an appropriate method. The Combined effect of structure-soil-fluid interaction is of primary importance as concluded in this work. The soil medium is idealized by the elastic half space model, that is, linear springs are assumed to represent the structure-soil interface, added masses and viscous dampers of soil are also included. The liquid region is treated analytically; also analytical integration is used to got the added stillness and mass matrices for hydrostatic and hydrodynamic pressure effects, respectively. The free vibration characteristics of the liquid storage tank are validated against experimen.tal and theoretical results available in literatures. | ||
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