Viscoplastic deformation of reinforced plates with varying thickness under explosive loads |
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Authors: | Yu V Nemirovskii A P Yankovskii |
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Institution: | (1) S. A. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia |
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Abstract: | 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
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Translated from Prikladnaya Mekhanika, Vol. 44, No. 2, pp. 85–98, February 2008. |
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Keywords: | reinforced plate explosive loading inelastic dynamics viscoplastic bending rational shaping and reinforcement |
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