Finite Cylindrical Shell Element Method which Analyses Local Stability of Buried Stiffened-Penstock

Wen Liang Ma; Dong Yu Ji; Jian Hua Zhang

doi:10.4028/www.scientific.net/AMR.189-193.1580

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 189-193Finite Cylindrical Shell Element Method which...

Finite Cylindrical Shell Element Method which Analyses Local Stability of Buried Stiffened-Penstock

Abstract:

This paper adopts semi-analytical finite cylindrical shell element method to research the local stability of buried stiffened-penstock, and considering the influence from initial interstice and stiffener ring. Displacement model of cylindrical shell element is established, elastic stiffness matrix and geometric stiffness matrix of the element is deduced, in the process of deducing formula, using sectional suppose and result which is adopted in the process of deducing Amstutz formula. Calculation results show that, Calculating local stability of buried stiffened-penstock by semi-analytical finite cylindrical shell element method has good convergence. This paper provides an new method for local stability analysis of buried stiffened-penstock.

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Periodical:

Advanced Materials Research (Volumes 189-193)

Pages:

1580-1583

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.189-193.1580

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Online since:

February 2011

Authors:

Wen Liang Ma, Dong Yu Ji, Jian Hua Zhang

Keywords:

Cylinder Shell Element, Initial Interstice, Local Stability, Penstock, Stiffener Ring

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References

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