Effect of Edge Restraint on the Buckling of Axially Compressed Circular Cylindrical Shells

A broad analytical study of the effect of edge restraint on the buckling stress of geometrically perfect, axially compressed circular cylindrical shells, based on linear elastic theory, is presented. An overall evaluation of this effect is made by studying the 16 limiting cases, 7 of which are studi...

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Bibliographic Details
Main Author: Rehfield, L W
Format: Report
Language:English
Subjects:
BUCKLING
CYLINDRICAL BODIES
DYNAMICS
EDGE RESTRAINT(DYNAMICS)
EQUATIONS
Mechanics
SHELLS(STRUCTURAL FORMS)
STRAIN(MECHANICS)
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Summary:A broad analytical study of the effect of edge restraint on the buckling stress of geometrically perfect, axially compressed circular cylindrical shells, based on linear elastic theory, is presented. An overall evaluation of this effect is made by studying the 16 limiting cases, 7 of which are studied for the first time, it is found that 8 permit buckling to occur at stresses less than the classical theoretical value of theory and experiments indicate that the effect of shell length on the buckling stress can usually be disregarded is used in the analysis. This fact suggests that shells may be assumed to be semi-infinite; as a consequence, formulas for buckling stresses are determined in essentially closed form.