Artículo
Challenges in the Computation of Lower-Bound Buckling Loads
Fecha de publicación:
12/2010
Editorial:
Elsevier
Revista:
Journal Thin Walled Structures
ISSN:
1879-3223
e-ISSN:
0263-8231
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
This paper reports on the implementation of a lower-bound approach for the buckling of imperfectionsensitive shells using general purpose finite element codes. The stability of cylindrical steel tanks under wind pressure is evaluated for two tank configurations: conical roof tanks and open top tanks. For both tank configurations, several geometric relations are considered in order to find the variation of the knock-down factor as the geometry changes. The reduced energy method is implemented to compute a lower-bound for critical wind pressures and the results are compared with the static non-linear analysis carried out on the same models. An alternative way to implement the reduced energy method is presented to improve the results obtained with the proposed methodology.
Palabras clave:
BUCKLING
,
TANKS
,
WIND PRESSURE
,
REDUCED ENERGY METHOD
Archivos asociados
Licencia
Identificadores
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Sosa, Milton Eduardo; Godoy, Luis Augusto; Challenges in the Computation of Lower-Bound Buckling Loads; Elsevier; Journal Thin Walled Structures; 48; 12; 12-2010; 935-945
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