Roads and Bridges - Drogi i Mosty
15, 2, 2016, 117-135

Properties of numerical solution of the deformation and stability problem in shallow conical shells under external pressure

Vasily Krasovsky Mail
Prydniprovs’ka State Academy of Civil Engineering and Architecture; Czerniszevskovo 24a blvd, 49600 Dnipropetrovsk, Ukraine
Alexey Karasev Mail
Prydniprovs’ka State Academy of Civil Engineering and Architecture; Czerniszevskovo 24a blvd, 49600 Dnipropetrovsk, Ukraine
Published: 2016-06-30

Abstract

The paper presents an analysis of a numerical solution in the ANSYS software to three problems related to determination of deformations and stability of closed shallow conical shells under external pressure: 1) linear (bifurcation) problem of determining the critical pressure; 2) geometrically non-linear problem of shell deformation and buckling to determine the limit pressure using axisymmetric finite elements (FE); 3) solution to the same problem as set out in 2, yet using 4-node shell elements. The solutions presented in the paper concern the stationary state of a simply supported and fixed shell. Shallow conical shells are applied as load bearing and protective elements of bridge structures.

Keywords


external pressure, deformations, numerical solution, shallow conical shell, software package, stability

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References


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ANSYS Inc. Academic Research, Release 13.0, Help System, Mechanical Analysis Guide


Properties of numerical solution of the deformation and stability problem in shallow conical shells under external pressure

  
Krasovsky, Vasily; Karasev, Alexey. Properties of numerical solution of the deformation and stability problem in shallow conical shells under external pressure. Roads and Bridges - Drogi i Mosty, [S.l.], v. 15, n. 2, p. 117-135, jun. 2016. ISSN 2449-769X. Available at: <>. Date accessed: 19 Apr. 2024. doi:http://dx.doi.org/10.7409/rabdim.016.008.


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