Fracture Aspects Of Cylindrical Structures
Author(s)
P. Broz
Abstract
Fracture Aspects of Cylindrical Structures
Petr Broz
Department of Engineering Structures, Klokner Institute,
Czech Technical University, Czech Republic
Abstract
For cylindrical structural elements, stress intensity factors involving both
internal and external semi-elliptical surface cracks are investigated. We
consider thick-walled construction of radius ratios between 1 and 2 which are
subject to variant loading. The solutions presented here were derived applying
the hybrid boundary element method for 3D stress analysis. Comparative
calculations are also performed for pipes using the weight function method.
Key words: semi-elliptical surface crack, circumference strains, indirect
method, power type loading, thick-walled construction
1 Introduction
There is a considerable inconvenience involved in loaded thick-walled
cylinders: surface cracks can occur. These are mostly of semi-elliptic
geometries. The fracture study of these structures is of sign
Keywords
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