Viscoplastic deformation of reinforced plates with varying thickness under explosive loads

The problem of viscoplastic bending of reinforced plates with varying thickness is formulated. An original method for the integration of this initial-boundary-value problem is developed. The numerical solution is compared with an analytical solution obtained with a rigid-plastic model of an isotropi...

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Veröffentlicht in:International applied mechanics 2008-02, Vol.44 (2), p.188-199
Hauptverfasser: Nemirovskii, Yu. V., Yankovskii, A. P.
Format: Artikel
Sprache:eng
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Zusammenfassung:The problem of viscoplastic bending of reinforced plates with varying thickness is formulated. An original method for the integration of this initial-boundary-value problem is developed. The numerical solution is compared with an analytical solution obtained with a rigid-plastic model of an isotropic circular plate. The efficiency of the method is demonstrated by analyzing the inelastic dynamics of reinforced plates with constant and varying thickness. It is shown that the maximum residual deflections of plates can be reduced severalfold by means of rational profiling and reinforcement
ISSN:1063-7095
1573-8582
DOI:10.1007/s10778-008-0030-5