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Dynamic response of cylindrical shells with discontinuity in thickness subjected to axisymmetric load
A. Joseph Stanley, Natrajan Ganesan
Published in
1995
Volume: 184
   
Issue: 4
Pages: 703 - 724
Abstract
Cylindrical shells with discontinuity in the thickness and subjected to harmonic axisymmetric loads have been analyzed. The loadings considered are a uniform internal pressure and a circular ring load at the mid-section. A semi-analytical finite element method is used for the analysis. A thin shell finite element with four degrees of freedom per node is used. Three shell models are analyzed for possible reduction of maximum displacement and maximum stress by choosing the discontinuity at different locations. Numerical results are presented for clamped-clamped end conditions and for various step-ratios in the thickness, for the first three models. The weight of the shell is kept constant for the various step-ratios. It is shown that the maximum displacement and maximum stress decrease for certain types of thickness variations as presented in this paper. © 1995 by Academic Press, Inc.
About the journal
JournalJournal of Sound and Vibration
ISSN0022460X
Open AccessNo
Concepts (17)
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    Damping
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    Degrees of freedom (mechanics)
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    Dynamic loads
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    Finite element method
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    Mathematical models
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    Natural frequencies
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    Pressure
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    Shells (structures)
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    Stiffness
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    Stress analysis
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    Stresses
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    AXISYMMETRIC LOAD
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    Cylindrical shells
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    Discontinuity
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    INTERNAL PRESSURE
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    Thickness
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    Dynamic response