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Determining the mechanical characteristics of nonlinearly elastic materials by vibrational tests

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Abstract

The equations of free vibration of a nonlinear system are solved numerically by the fourth-order Runge–Kutta method on the basis of vibrational tests of a rigidly fixed PVC cantilever beam. The solution is optimized by the Nelder–Mead method in terms of the key parameters. The dissipation and nonlinearity of the material are determined.

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Authors and Affiliations

  1. Moscow Power Institute, Moscow, Russia

    A. I. Munitsyn

  2. Lenin Ivanovo State Power University, Moscow, Russia

    I. A. Belov & A. V. Kruglov

Authors
  1. A. I. Munitsyn
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  2. I. A. Belov
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  3. A. V. Kruglov
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Correspondence to A. I. Munitsyn.

Additional information

Original Russian Text © A.I. Munitsyn, I.A. Belov, A.V. Kruglov, 2015, published in Vestnik Mashinostroeniya, 2015, No. 9, pp. 72–74.

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Munitsyn, A.I., Belov, I.A. & Kruglov, A.V. Determining the mechanical characteristics of nonlinearly elastic materials by vibrational tests. Russ. Engin. Res. 35, 927–930 (2015). https://doi.org/10.3103/S1068798X15120114

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