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Modeling the Dynamic Bending of Rigid-Plastic Hybrid Composite Elliptical Plates with a Rigid Insert

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Mechanics of Composite Materials Aims and scope

A model of dynamic bending of rigid-plastic hybrid composite elliptical plates with a rigid center and simply supported or clamped contour, subjected to a uniformly distributed short-time intense dynamic load of explosive type is developed. The plates are multilayered and fibrous, with a symmetric distribution of layers with respect to the middle surface. The reinforcing fibers, made of different materials, are located in directions parallel or normal to the plate contour. Various mechanisms of dynamic deformation of the plates are considered. For each mechanism, equations of their dynamic behavior are obtained. Operating conditions of these mechanisms are analyzed. Analytical expressions for evaluating the limit loads, deformation time, and residual deflections are obtained. It is shown that a change in reinforcement parameters significantly affects the bearing capacity and residual deflection of the plates. The solutions proposed can be used in the design of reinforced metal-composite elliptical plates. Numerical examples are given for different reinforcement structures.

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Authors and Affiliations

  1. S. A. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia

    T. P. Romanova

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  1. T. P. Romanova
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Correspondence to T. P. Romanova.

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Translated from Mekhanika Kompozitnykh Materialov, Vol. 53, No. 5, pp. 809-828 , September-October, 2017.

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Romanova, T.P. Modeling the Dynamic Bending of Rigid-Plastic Hybrid Composite Elliptical Plates with a Rigid Insert. Mech Compos Mater 53, 565–578 (2017). https://doi.org/10.1007/s11029-017-9687-3

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  • DOI: https://doi.org/10.1007/s11029-017-9687-3

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