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<p>The formulation and methodology for solving the problem of electrothermomechanical behavior and predicting the durability of inelastic shear-sensitive flexible cylindrical shells with piezoelectric sensors and actuators under axisymmetric resonant vibrations are presented. The numerical experiments for a shell with a piezosensor are used to investigate the influence of geometric nonlinearity on the frequency dependence of deflection amplitudes, the vibration heating temperature and the electrical index of the sensor. Based on the criterion for assessing local durability by the permissible values of the maximum heating temperature, it is studied how the operating time of the system depends on the extreme amplitudes of mechanical load and heat dissipation conditions from its surfaces.</p>

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Thermomechanical Behaviour and Durability of Shear-Compliant Inelastic Flexible Cylindrical Shells with Piezoelectric Layers Under Forced Axisymmetric Vibrations

  • 期刊论文

  • 发表日期：

    2025年11月1日

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  • I. F. Kirichok,
  • O. A. Chernyushok

摘要

The formulation and methodology for solving the problem of electrothermomechanical behavior and predicting the durability of inelastic shear-sensitive flexible cylindrical shells with piezoelectric sensors and actuators under axisymmetric resonant vibrations are presented. The numerical experiments for a shell with a piezosensor are used to investigate the influence of geometric nonlinearity on the frequency dependence of deflection amplitudes, the vibration heating temperature and the electrical index of the sensor. Based on the criterion for assessing local durability by the permissible values of the maximum heating temperature, it is studied how the operating time of the system depends on the extreme amplitudes of mechanical load and heat dissipation conditions from its surfaces.