Nonlinear static analysis of an axisymmetric shell storage container in spherical polar coordinates with constraint volume
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Author list: Jiammeepreecha W., Chucheepsakul S., Huang T.
Publisher: Elsevier
Publication year: 2014
Journal: Engineering Structures (0141-0296)
Volume number: 68
Start page: 111
End page: 120
Number of pages: 10
ISSN: 0141-0296
eISSN: 1873-7323
Languages: English-Great Britain (EN-GB)
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Abstract
An axisymmetric membrane shell fully filled with an incompressible fluid is investigated and it is modeled as a half drop shell storage container under hydrostatic pressure subjected to the volume constraint conditions of the shell and contained fluid. The shell geometry is simulated using one-dimensional beam elements described in spherical polar coordinates. Energy functional of the shell expressed in the appropriate forms is derived from the variational principle in terms of displacements and the obtained nonlinear equation can be solved by an iterative procedure. Numerical results of the shell displacements with various water depths, thicknesses, and internal pressures are demonstrated. ฉ 2014 Elsevier Ltd.
Keywords
Axisymmetric membrane shell, Half drop shell, Spherical polar coordinate
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